Chiropractic credentialing in 2026: the complete guide to payer enrollment for DC practices

Chiropractic credentialing is the 60 to 120 day process insurance companies use to verify a Doctor of Chiropractic's NBCE board scores, state license, malpractice coverage, NPI registration, and CCE-accredited education before they'll pay you as an in-network provider.

Every month a chiropractor spends waiting is a month of out-of-network reimbursement on visits that should have paid at contracted rates. For a practice built around insurance patients, that gap runs into five figures before the first effective date ever lands.

This guide covers CAQH ProView setup, the documents payers reject applications over, the six steps from application to effective date, what each major payer does differently, and the recredentialing cycle that catches people three years later. We handle provider enrollment and credentialing for chiropractors across all 50 states, so most of what's here comes from applications we've watched move through payer queues.

Credentialing, licensing, enrollment, contracting, and privileging are five different things

Practices use these five words interchangeably, and the confusion costs weeks. Each one has a different owner, a different timeline, and a different failure mode.

Credentialing is verification. The payer confirms your DC degree from a CCE-accredited program, your NBCE Part I through IV scores, your active state license, your malpractice coverage, your work history, and your NPI. No payer reimburses you until this finishes. Most chiropractor delays happen here, not at billing.

Licensing comes from your state chiropractic board. After you finish the DC degree and pass all four NBCE parts, you apply to the board, and most states add a jurisprudence exam covering scope of practice and recordkeeping rules.

Enrollment is the administrative step where the payer loads your verified credentials into its billing system. Medicare handles this through PECOS with Form CMS-855I. Commercial payers pull from CAQH ProView and route you through their own contracting workflow. Enrollment can close in days once credentialing clears, or sit for weeks in an internal queue nobody outside the payer can see.

Contracting is the participation agreement itself. You get reimbursement rates, dispute procedures, termination clauses, and payer-specific rules. Read the clauses. Some chiropractic contracts carry visit caps, prior authorization triggers on CPT 98940 through 98942, or maintenance care exclusions that surprise practices after the first denial.

Privileging applies only if you work through a hospital or an integrated medical facility. The hospital grants permission to perform specific services inside its walls, based on credentialing plus its own competency standards. Hospitals query the National Practitioner Data Bank when they grant privileges and again every two years. Solo and group chiropractors outside hospital systems rarely touch it.

Running all five at once is the part practices underestimate, and it's the reason a credentialing specialist usually pays for themselves inside the first enrollment cycle.

What changed for chiropractors in 2026

Four updates affect chiropractor enrollment this year. Most credentialing content online still reflects the 2024 rules.

Chiropractors don't pay the Medicare enrollment application fee

CMS set the 2026 Medicare enrollment application fee at $750, and the headline confused a lot of providers. Physicians and non-physician practitioners, including chiropractors enrolling individually as Part B suppliers, don't pay it. The fee applies to institutional providers and DMEPOS suppliers.

If you're enrolling through Form CMS-855I, put your attention on document accuracy instead. That's what actually holds up chiropractor applications. Our full walkthrough of Medicare provider enrollment covers the form section by section.

The chiropractor taxonomy code is 111N00000X

The NUCC updates the healthcare taxonomy code set twice a year, in January and July. For a state-licensed Doctor of Chiropractic the code is 111N00000X, and it hasn't changed.

Check your NPPES record right now and confirm it carries that exact code. When your NPI taxonomy doesn't match your CAQH profile or your payer application, payer systems reject the claim automatically and the credentialing file goes back for rework. We find this in pre-submission audits more than any other single error.

Illinois renewal now requires three trainings that didn't exist before

Illinois chiropractors renew on a three-year cycle ending July 31, 2026, and this cycle added three mandatory trainings: cultural awareness and competency in healthcare, sexual harassment prevention, and implicit bias recognition.

Miss the deadline and the license lapses. A lapsed license fails your CAQH attestation, which fails payer credentialing, which denies claims across every payer at once. The chain moves faster than most practices expect.

The 2026 CPT set changed codes that chiropractors bill daily

The AMA's 2026 CPT set added 288 codes, deleted 84, and revised 46. For chiropractors, the changes that matter affect modifier accuracy on CPT 98940, 98941, and 98942, plus GP modifier requirements when you bill 97140, 97110, or 97112.

Credentialing won't protect you from a denial if the billing behind it doesn't match current rules. The OIG found 82% of Medicare payments for chiropractic services unallowable in its audit, mostly because practices billed maintenance care as active treatment. Our guide to chiropractic CPT codes covers the coding side once you're enrolled.

One older item worth a line: CMS moved PECOS to AWS Cloud infrastructure in early May 2026 and the migration finished May 3. The login URL and business logic stayed the same. If your organization allowlists IPs, confirm the current PECOS addresses are on the list.

The four credentials every payer verifies

Payers cross-check all four during primary source verification. A gap in any one stalls the file.

Your DC degree has to come from a CCE-accredited program

Chiropractors earn the Doctor of Chiropractic degree from a college accredited by the Council on Chiropractic Education. Eighteen CCE-accredited programs operate in the United States, and most require 90 or more undergraduate science credit hours before admission.

The program runs three to four years and includes more than 4,200 hours of classroom, lab, and clinical instruction. Payers verify the degree directly with the school during primary source verification. A degree from a non-accredited program disqualifies you from most commercial networks.

NBCE Parts I through IV, plus a state exam in some states

The National Board of Chiropractic Examiners runs four sequential exams. Part I covers basic sciences. Part II covers clinical sciences including diagnosis and diagnostic imaging. Part III covers imaging interpretation, case management, and clinical decision-making. Part IV is the practical skills exam.

California adds a fifth, the Chiropractic Law and Professional Practice Examination. Other states layer on their own. Credentialing applications ask for your Part I through IV completion dates and identification numbers, so pull them before you open a payer portal rather than hunting mid-application.

State licensure, and scope that varies more than you'd expect

Apply to your state chiropractic board after NBCE completion. The Federation of Chiropractic Licensing Boards coordinates across states, but each board runs independently, and most add a jurisprudence exam.

Scope of practice varies enough to change which payers are worth your time. Some states let chiropractors perform acupuncture or order advanced imaging. Others limit practice to spinal manipulation. A few, including New Mexico and Oregon, allow limited prescriptive authority. Confirm your scope before you apply anywhere.

Continuing education, tracked in real time

CE requirements run from 12 to 50 hours per renewal cycle depending on the state, on cycles of one to three years. Common required topics include professional ethics, infection control, sexual misconduct prevention, and now cultural competency in Illinois.

Save every completion certificate as you earn it. Recredentialing often asks for proof, and hunting down a two-year-old certificate takes longer than the course did.

CAQH ProView is where most chiropractor applications stall

More than 900 health plans pull provider data from CAQH ProView, including Aetna, Cigna, UnitedHealthcare, Humana, and most Blue Cross Blue Shield affiliates. When your profile is incomplete, expired, or unauthorized for a payer, credentialing freezes and nobody tells you why.

Setting up the profile

Your CAQH profile has 18 data sections covering education, training, work history, malpractice insurance, license details, practice locations, and whether you're accepting new patients. Self-register at proview.caqh.org, complete every mandatory field, and upload your DC license, malpractice declaration page, NBCE certificates, CV, and W-9.

Use the same address, phone number, NPI, and license details you'll put on the payer applications. An inconsistency here cascades into every payer file at once, and fixing it after submission means re-triggering verification everywhere. Our CAQH credentialing guide walks through each section in order.

Re-attest every 90 days, whatever your state allows

CAQH requires re-attestation every 120 days, and Illinois providers get 180. Miss it and CAQH flips your status to Expired, which cuts off every payer pulling your data at the same moment.

UnitedHealthcare's automated recredentialing runs on a tighter 90-day attestation cycle to process without manual intervention. So re-attest every 90 days regardless of what your state permits, and confirm the status reads Current before any application or recredentialing event.

Authorize each payer inside the profile, or they see nothing

Inside ProView you designate which health plans can access your data. Without that authorization, the payer literally cannot pull your file. Your profile can be complete, every document uploaded, attestation current, and the payer still sees an empty record.

We've picked up practices who waited three months for a decision that was never coming, because nobody had checked the box. Authorize Aetna, Cigna, UHC, Humana, BCBS, and Medicare during initial setup.

What an expired attestation costs

When attestation lapses, payers running routine data pulls get an Expired notification and place claims on administrative hold. Several payers can do this in the same week, because they're all pulling from the same source.

Reinstating the profile takes days. Getting the held claims released and reprocessed takes considerably longer, and some fall outside timely filing before anyone notices. The practices this hits hardest are the ones running lean on administrative staff.

Demographic verification runs on its own 90-day clock

Separate from CAQH attestation, contracted providers verify demographic data every 90 days. This confirms your practice address, phone number, and accepting-new-patients status for the payer directory.

Skip it and the payer suppresses your directory listing. Patients searching for an in-network chiropractor won't find you even though your contract is active. These deadlines surface inside payer portals, so somebody on staff needs to be checking.

The documents payers reject applications over

Chiropractor applications get pended for the same reason most provider applications do: something doesn't match. The name on the W-9 differs from the IRS record, or NPPES carries an address CAQH has never seen. One mismatch triggers manual review and adds 30 to 75 days.

Solo chiropractors need all of the following ready before opening any portal:

• NPI Type 1, current in NPPES with taxonomy 111N00000X
• Active state chiropractic license for every state you practice in, no temporary licenses
• Malpractice declaration page showing at least $1M per occurrence and $3M aggregate
• DC degree certificate from a CCE-accredited program
• NBCE Part I through IV documentation with identification numbers
• W-9 with legal name and TIN matching IRS records exactly
• CV with no unexplained gap over six months
• CAQH profile complete, attested, and payer-authorized

Group practices add an NPI Type 2 current in NPPES, an IRS determination letter or EIN documentation, individual NPI Type 1 records for every chiropractor in the group, and a W-9 for the group entity. One provider missing paperwork holds up the group's effective date with that payer.

Multi-location groups also need location-specific NPI Type 2 records for each rendering site. Most payer systems treat every location as a separate enrollment event.

Malpractice declarations for chiropractors have one extra requirement

NCMIC covers most chiropractors, and its declaration page differs slightly from physician malpractice formats. Include the policy number, effective and expiration dates, coverage limits, the retroactive date where one applies, and the named insured exactly as it appears on your state license.

Some payers reject declarations missing the retroactive date, which catches chiropractors who switched carriers mid-career. Nobody warns you about this until the application comes back pended, so check the page before every submission.

How to get credentialed as a chiropractor: the six steps

Each step depends on the one before it. Skipping ahead creates rework, not speed.

Step 1: Pick four to eight payers, not everyone

List the payers that actually matter to your patient mix. Ask current patients what they carry. Ask local chiropractors which payers reimburse fairly and which deny aggressively.

For most chiropractic practices that means Medicare, your state Medicaid program if it covers chiropractic, Aetna, Cigna, UnitedHealthcare through Optum Physical Health, your state BCBS plan, Humana, and workers' compensation networks. Chasing every payer at once multiplies the follow-up without adding much revenue. Check reimbursement for 98940, 98941, and 98942 before you commit to any panel.

Step 2: Build the CAQH profile completely

Complete all 18 sections, upload every document, authorize each target payer, attest, and confirm the status reads Current. Take the time here. Errors at this stage reach every payer application at once.

Step 3: Submit to each payer through the right pathway

Every payer runs a different process. Aetna works from CAQH plus its internal contracting team. Cigna accepts CAQH or ProviderSource. UnitedHealthcare routes chiropractors through Optum Physical Health, not Onboard Pro. Medicare uses PECOS with Form CMS-855I. Medicaid uses state portals.

Log the submission date, the reference number, the documents you sent, and your follow-up dates for every application. Submitting and forgetting is the mistake that turns a 60-day file into a 150-day one.

Step 4: Primary source verification, the part you can't see

Each payer's credentialing team contacts the original sources. Your chiropractic college confirms the degree. NBCE confirms Part I through IV. Your state board confirms the license is current and unrestricted. Your malpractice carrier confirms active coverage. The payer queries the National Practitioner Data Bank and the FCLB CIN-BAD database for disciplinary history.

This phase runs 15 to 45 days, and the variable is how fast those third parties answer, not how fast the payer works. That distinction matters when you're deciding where to apply pressure.

Step 5: Committee review and your effective date

The payer presents your verified file to its credentialing committee. Clean chiropractor applications usually clear at first review. Once approved, the payer countersigns the participation contract and issues an effective date.

Don't bill anyone before that date arrives in writing. Claims submitted earlier deny automatically, and most can't be fixed retroactively even after the contract loads. Approved means credentialing cleared. The effective date is what lets you bill, and the two can sit weeks apart.

Step 6: Hold the credential through the 36-month cycle

Most payers recredential every 36 months, some every 24. Keep CAQH attested every 90 days year-round and update the profile whenever something changes: a new address, a license renewal, a new associate, a new malpractice carrier. Track each payer's recredentialing date separately, because they won't line up.

How long chiropractic credentialing takes

Credentialing runs 60 to 120 days from submission to written effective date under normal conditions. Some payers close a clean file in 30 days. Others stretch past 180 once a documentation problem surfaces.

The phases break down like this:

Verification is the long pole, and it's long because payers wait on other people. Chiropractic colleges take two to four weeks to answer a verification request. State boards vary enormously. NBCE moves quickly for some states and slowly for others. NPDB and CIN-BAD queries return automatically.

Teams that compress this phase do it by contacting the college registrar, the NBCE credentialing office, and prior practice administrators before the payer's request arrives. Warming up those sources ahead of time is what pulls verification from 15 to 45 days down toward 10 to 20.

What changes by payer

Every payer runs a different platform, a different form, and a different timeline.

Medicare covers spinal manipulation and nothing else

Chiropractors enroll through PECOS using Form CMS-855I as individuals, adding Form CMS-855B for a group entity. The coverage limit is the part that catches people: Medicare Part B pays chiropractors for manual manipulation of the spine to correct a subluxation, and nothing beyond it.

CPT 98940 covers one to two spinal regions, 98941 covers three to four, and 98942 covers five or more. All three need the AT modifier showing active treatment. Medicare doesn't cover chiropractic E/M visits, chiropractor-ordered X-rays, extraspinal manipulation under 98943, therapy modalities, or maintenance care.

Chiropractors can't opt out of Medicare. If you treat any Medicare beneficiary, enrollment is required, and revalidation comes every five years. Late revalidation triggers a payment hold or deactivation without extensions.

Medicaid coverage for chiropractic varies by state, sometimes to zero

Each state Medicaid agency runs its own portal, timeline, and fee schedule. Some cover a broad range of chiropractic services. Others limit coverage to spinal manipulation. A few don't cover chiropractic at all.

CMS now reviews your enrollment across states when one state terminates you, so a problem in one program follows you. Some states add fingerprint screening and extra disclosures. Confirm your state actually covers chiropractic before you spend time on the application, and check our state-by-state breakdown of Medicaid provider enrollment for the portal you'll be using.

UnitedHealthcare routes chiropractors through Optum Physical Health

This is the single most common wrong turn in chiropractor credentialing. UHC handles chiropractors through Optum Physical Health at myoptumhealthphysicalhealth.com or 800-873-4575, not through Onboard Pro. Submitting a chiropractor file through Onboard Pro sends it back for rerouting and costs two to four weeks.

Optum starts with a Request for Information form rather than a full application. The team reviews network need in your area and sends a credentialing packet only if a gap exists. That packet pulls from CAQH, so authorize both Optum and UnitedHealthcare in your profile first.

Network need varies by zip code. Some areas open to new chiropractors immediately, others are closed. Call before you invest time in the paperwork. Our United Healthcare credentialing guide covers the wider UHC process for other provider types.

Aetna, Cigna, BCBS, and Humana

Aetna pulls from CAQH and runs three workstreams in parallel: network participation and contracting, credentialing verification, and operational enrollment covering EFT, ERA, and directory listing. All three finish before you can bill. Aetna Better Health and Aetna Medicare Advantage run as separate product lines with separate workflows, so confirm which one you're applying to. The full sequence sits in our Aetna provider enrollment guide.

Cigna accepts CAQH or ProviderSource and moves through credentialing, contracting, directory listing, and EFT setup. Chiropractor files typically close in 45 to 90 days, and our Cigna provider enrollment walkthrough covers the stages in order.

BCBS isn't one company. Thirty-three independent Blues operate across the country, each with its own portal, requirements, and rates, so a Blues contract in one state tells you nothing about the next.

Independence Blue Cross has kept its chiropractic network closed to new providers in Pennsylvania and New Castle County, Delaware, except for those joining an existing participating group. Most Blues pull from CAQH, which makes the profile your safest starting point before you contact the plan.

Humana runs through Availity with CAQH as the data source, and its Medicare Advantage chiropractic network has been expanding in Florida, Texas, and the Southwest. Authorize Humana in CAQH before submitting. Files typically close in 60 to 90 days.

Specialty networks pay chiropractors differently

Four network types sit outside commercial and Medicare enrollment, each with its own pathway.

Workers' compensation runs on state systems. Some states use private carriers, others run state funds. Apply through your state workers' comp commission for state-fund panels, and directly to carriers like Sedgwick, Travelers, Liberty Mutual, or AmTrust for private ones. Credentialing usually takes 30 to 60 days, and many panels sit closed unless you have a referral or the network is expanding.

Personal injury covers auto PIP networks in no-fault states, attorney referral relationships, and independent medical examiner panels. Florida, New York, and Michigan have active PIP-driven chiropractic markets where formal enrollment matters. IME work asks for demonstrated forensic experience. Many PI patients arrive through attorney referral without any panel involved.

American Specialty Health administers chiropractic benefits for several commercial payers, and both Aetna and Cigna delegate chiropractic credentialing to ASH in certain markets. Apply through ashlink.com. ASH files usually take 60 to 90 days, and these networks tend to draw less application volume than the direct payer portals.

Telemedicine adds requirements on top of your commercial credentialing. Most payers cover chiropractic telehealth for evaluation and management but not for manipulation, which needs hands on the patient. Confirm your platform is HIPAA compliant and that you hold licensure wherever the patient sits during the visit. Our telemedicine credentialing guide covers the payer-specific attestation rules.

State rules vary more for chiropractic than for almost any other specialty. Washington runs its own credential verification through the state health department. Minnesota uses ApplySmart. Colorado has Kaiser-specific requirements. Check with your state board before you apply anywhere new.

Recredentialing and the screening that runs behind it

Most payers recredential every 36 months, some every 24. Payers usually start the cycle 90 days before it ends by pulling your current CAQH data, verifying anything that changed, querying NPDB and CIN-BAD for new disciplinary actions, and taking the file to committee. When everything is current, you get an approval notice and never fill out a form.

Automation breaks for predictable reasons. An expired CAQH attestation is the most common. New malpractice settlements, license restrictions, license expirations, and address changes that didn't propagate all force manual review, which runs 45 to 90 days like an initial application.

Three federal databases sit behind every credentialing decision. The OIG List of Excluded Individuals and Entities blocks anyone excluded from federal healthcare programs, and that exclusion reaches your commercial contracts too, not only the government plans.

Medicare Advantage plans and Part D sponsors check the CMS Preclusion List before they pay anyone. Separately, the National Practitioner Data Bank holds malpractice settlements, disciplinary actions, and license suspensions. OIG and CMS refresh their lists monthly.

Chiropractors have a fourth. The FCLB CIN-BAD database tracks chiropractor-specific disciplinary actions reported by state boards, and payers query it as standard practice. An action in one state reaches every other state where you're enrolled, which is why compliance in a license you barely use still matters.

If your application is stuck, check these six things first

A pended file usually traces to one of a short list of problems. Work through them in this order, because the first three cause most of the delays we see.

• Your NPPES taxonomy doesn't read 111N00000X, so the payer's system can't match your record
• Your practice address differs across USPS formatting, NPPES, CAQH, and the W-9
• Your CAQH attestation expired, or you never authorized that specific payer inside the profile
• Your malpractice declaration is missing the retroactive date or falls under the payer's minimum limits
• Your W-9 carries the DBA instead of the legal name the IRS has on file
• Your CV has a gap over six months that nobody explained in the CAQH work history

Update NPPES first when several of these apply, because those changes propagate slowly and everything downstream reads from it. Document work history gaps directly in CAQH, where parental leave, sabbatical, further education, and international practice all count as acceptable explanations with approximate dates.

One more that isn't a document problem. If you submitted a UnitedHealthcare application through Onboard Pro instead of Optum Physical Health, no amount of follow-up fixes it. Withdraw and refile through the right pathway.

When outsourcing credentialing makes financial sense

Handling credentialing in-house works for a solo chiropractor with an organized practice manager and one or two payers to add. The math shifts once volume or complexity goes up.

The signals that it's time to hand it off:

• You're onboarding more than two chiropractors in a 12-month window
• You're expanding into a state whose Medicaid rules you don't know
• An application has sat past 60 days with no movement you can explain
• Your practice manager spends more than five hours a week chasing payers
• Several providers hit their 36-month recredentialing cycle at once

Most practices underestimate the in-house cost because the hours never show up as a line item. A single chiropractor's credentialing across six to eight payers runs 25 to 40 hours of administrative time, spread across months in 20-minute phone calls that are hard to schedule around. We broke the arithmetic down in our look at outsourcing provider enrollment.

When you're comparing credentialing partners, ask for chiropractor-specific approval averages instead of general provider numbers. The specialties don't behave the same way, and a company that only quotes you a blended figure probably hasn't done much chiropractic work.

Then test the specialty knowledge directly. Do they know the Optum Physical Health pathway, what a malpractice declaration needs for a chiropractor who changed carriers, and how CIN-BAD factors in? Confirm follow-up sits in the base fee rather than billed separately, and look for flat per-payer pricing published before any work starts. Our guide on how to select a credentialing company covers the questions worth asking.

We credential chiropractors at $99 per insurance across all 50 states, with the follow-up included. If an application of yours has been sitting, we can usually tell you why from the reference number alone.

What happens after the effective date

Getting credentialed is the first half. The denials that follow come from coding, not enrollment, and chiropractic carries one of the highest improper payment rates in Medicare because of how maintenance care gets documented.

Two things protect the revenue you just unlocked. Bill the CMT codes correctly, which our chiropractic billing guide covers in detail, and work denials before the appeal window closes. If claims are already aging, AR follow-up and denials management recover more than most practices expect from files they'd written off.

Contact reference for chiropractor credentialing

Portal URLs and phone numbers change. Verify through the official source if something here doesn't resolve.

When an application stalls, call the payer's credentialing line with your reference number ready. The chat function inside most payer portals resolves document requests faster than the phone queue does, especially during high-volume periods.

Frequently asked questions

How long does chiropractic credentialing take?

Chiropractic credentialing runs 60 to 120 days from submission to written effective date under normal conditions. Some payers close a clean file in 30 days. Others stretch past 180 once a document problem surfaces. After approval, allow up to 60 more days for the contract to load into the payer's billing system before you submit claims. The longest phase is primary source verification, which depends on how fast your chiropractic college, NBCE, and state board answer the payer's request.

What documents do chiropractors need for credentialing?

You need an NPI Type 1 with taxonomy 111N00000X, an active state chiropractic license, malpractice coverage of at least $1M per occurrence and $3M aggregate, a DC degree from a CCE-accredited program, NBCE Part I through IV documentation, a W-9 whose legal name and TIN match IRS records, a CV with no unexplained gap over six months, and a complete CAQH ProView profile that's attested and authorized for each payer. Group practices add an NPI Type 2 and an IRS determination letter.

How much does chiropractic credentialing cost?

Insurance companies don't charge chiropractors a credentialing fee, and chiropractors enrolling in Medicare as individual Part B suppliers are exempt from the CMS enrollment application fee. Your costs are administrative: staff time, document retrieval, and the revenue gap while you wait. Outsourced credentialing runs from about $99 to $300 per payer depending on the company and whether follow-up is included in the base price.

Can chiropractors see patients before credentialing is complete?

You can see patients, but you can't bill their insurance as in-network until the payer issues an effective date. Claims submitted before that date deny automatically, and most can't be corrected retroactively even after the contract loads. Wait for written confirmation from each payer, read the date carefully, and schedule that payer's first patient for the day after it takes effect. Some practices see patients out-of-network in the meantime and disclose the cost upfront.

Can chiropractors opt out of Medicare?

No. Unlike physicians, chiropractors can't opt out of Medicare. If you treat any Medicare beneficiary, including patients under 65 who qualify through disability, you have to enroll as either a participating or non-participating provider. Treating Medicare patients without enrolling creates compliance exposure and prevents reimbursement for services you've already delivered. Enrollment is required, and revalidation comes every five years.

How do chiropractors credential with UnitedHealthcare?

UnitedHealthcare routes chiropractors through Optum Physical Health, not through Onboard Pro. Apply at myoptumhealthphysicalhealth.com or call 800-873-4575. The process starts with a Request for Information rather than a full application, because Optum reviews network need in your area before issuing a credentialing packet. That packet pulls from CAQH ProView, so authorize both Optum and UnitedHealthcare in your profile first. Filing through Onboard Pro adds two to four weeks of rerouting.

What is the AT modifier and why does Medicare require it?

The AT modifier signals active treatment and has to appear on every Medicare claim for spinal manipulation under CPT 98940 through 98942. Without it, the claim denies. AT tells Medicare you're actively correcting a vertebral subluxation with measurable improvement expected. Maintenance care doesn't qualify regardless of how you code the diagnosis. The OIG found 82% of Medicare chiropractic payments unallowable, largely because practices applied AT to maintenance visits.

What's the difference between chiropractic credentialing and licensing?

Your state chiropractic board issues your license, which gives you legal authority to practice. Insurance companies handle credentialing, which verifies your qualifications so you can participate in their networks. You can hold a license without being credentialed, meaning you can treat patients but can't bill insurance as in-network. Credentialing without a license isn't possible at all. Licensing comes first, and both need active maintenance throughout your career.

How often do chiropractors need to recredential?

Most commercial payers recredential every 36 months, though some run a 24-month cycle. The process is automatic for chiropractors who keep CAQH attested every 90 days, since the payer pulls current data, verifies changes, queries NPDB and CIN-BAD, and issues a decision without asking you for anything. An expired attestation breaks that automation and forces a manual review that takes 45 to 90 days.

Why do chiropractic credentialing applications get denied?

The common causes are a practice address that differs across USPS, NPPES, CAQH, and the W-9, an expired CAQH attestation, an NPI taxonomy that doesn't read 111N00000X, a malpractice declaration missing the retroactive date, an unexplained work history gap over six months, a W-9 carrying the DBA instead of the legal name, or a UnitedHealthcare application filed through the wrong portal. Any one of these moves the file to pended status and adds 30 to 75 days.

If an application has been sitting past 60 days and nobody at the payer can tell you why, send us the reference number. We credential chiropractors at $99 per insurance across all 50 states, and a stalled file is usually the fastest thing to diagnose.

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