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Massachusetts

Massachusetts Behavioral Health Credentialing and Payer Enrollment

Massachusetts puts the fastest response clock in the country on its carriers. Under M.G.L. c. 176O section 29 a carrier has 20 business days to respond to a completed credentialing request, it has to accept the state’s standard credentialing form as sufficient, and it stays liable for any vendor it hands credentialing to. Read the verb, though. Respond isn’t approve, and Massachusetts has no law that pays you for the wait. What the clock buys you is answers. Here’s how to use it, plus the MassHealth step that starts by asking for an application instead of downloading one.

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Massachusetts payers and timelines

Why Massachusetts is different

The fastest clock in the country, and what it doesn’t buy you.

Massachusetts is an organized market, which helps you, and a crowded one, which doesn’t. These four facts decide the order we work in.

Twenty business days, and the carrier owns its vendor

M.G.L. c. 176O section 29
  • A carrier must review a submitted credentialing form and respond within 20 business days of a completed credentialing request
  • The Bureau of Managed Care develops standard credentialing forms, and a carrier or anyone administering benefits for one has to accept them as sufficient information
  • A carrier stays responsible for a delegated credentialing vendor, financial penalties included, which matters in a state where so much runs through Optum, Evernorth and Carelon
  • Respond isn’t approve. There’s no Massachusetts back-payment statute, so treat this as a status clock, not money

A twelve-month wall on behavioral health takebacks

Chapter 41 of the Acts of 2019, sections 53 to 58
  • A carrier can’t retroactively deny a previously paid behavioral health claim once 12 months have passed from the date you submitted it
  • It covers takebacks by the carrier, by a behavioral health subcontractor and by an administrative services contractor
  • Network participation isn’t required to get the protection, as long as the service was delivered with an expectation of payment
  • Limits you should know: it doesn’t reach self-insured plans, Medicare or other federally regulated coverage, and fraud and a few other exceptions survive the twelve months

MassHealth enrollment reaches people who never bill MassHealth

Ordering, referring and prescribing providers
  • If you order, refer or prescribe for MassHealth members you enroll, at minimum as a non-billing provider
  • Since September 1, 2023, another provider’s claim is denied when the ordering, referring or prescribing provider named on it isn’t enrolled
  • So an unenrolled prescriber breaks somebody else’s claim, not only their own
  • The non-billing application is short and it doesn’t commit you to billing MassHealth

Two behavioral health doors moved, and nothing transferred

WellSense and Point32Health
  • WellSense didn’t renew Carelon past December 31, 2025 and insourced behavioral health on January 1, 2026 across MassHealth, Medicare Advantage and its Clarity marketplace plans
  • Prior Carelon credentialing does not transfer. You need to be credentialed directly with WellSense for dates of service from that day
  • Point32Health insourced on November 1, 2023, covering Harvard Pilgrim and all Tufts products
  • WellSense holds eight ACO partnerships plus the only standalone MassHealth MCO, so this is the biggest live exposure in the state

Separate door: MBHP, administered by Carelon, still runs behavioral health for the PCC Plan and both Primary Care ACOs

Where the delays actually happen

Getting on a panel isn’t the same as getting paid.

Most of the waiting happens in the gaps between these five steps. We work all of them, and we tell you which one you’re actually sitting in.

Credentialed›contracted›loaded›connected›payable

Two tracks

MassHealth is the long pole. Commercial is the crowded one.

We start MassHealth first because it takes the longest, and we run the commercial set alongside it off one attested CAQH profile.

MassHealth

You request the application. They send it to you.

MassHealth runs four structures at once and the one your patient sits in decides who pays you. Most managed care members are in an Accountable Care Organization: Accountable Care Partnership Plans, where a health plan and a provider group are paired and the plan owns the network, plus two Primary Care ACOs, Community Care Cooperative and Revere Health Choice, where MassHealth keeps the specialty network. WellSense Essential is the only standalone MCO left on MassHealth’s list. The Primary Care Clinician Plan and a fee-for-service layer sit underneath. Senior Care Options and One Care restarted on fresh contracts on January 1, 2026.

How you enrollYou don’t download anything. Submit the Provider Application Request Form online and MassHealth emails the correct packet for your provider type with a checklist. Enrollment runs through the Provider Online Service Center and MMIS, and you track it in MassHealth Provider Self-Service using the Application Tracking Number. MassHealth publishes a 30-day processing goal for a complete application.
Three rules that decide your timelineA form signed more than 90 days earlier gets rejected, so you sign at submission and not before. Entities enroll at every service location where members are seen, including non-billing sites that bill through a main office, and an administrative office can’t be enrolled. An individual practising inside a group enrolls fee-for-service first, then gets linked to each group.
Forms you’ll actually see

Provider Application Request FormData Collection FormNon-billing ORP applicationFederally Required Disclosure FormW-9

The plan that reaches furthestMBHP, the Massachusetts Behavioral Health Partnership administered by Carelon, manages behavioral health for more than 500,000 members and covers the PCC Plan, both Primary Care ACOs, BeHealthy Partnership, children in state custody and certain children whose primary insurance is commercial. It’s a real separate door, and MBHP says plainly that a request to join isn’t an offer.
Under-21 caseloadCANS certification through the Massachusetts CANS portal, renewed every two years, is required to complete the behavioral health assessment for MassHealth members under 21. It gates the service rather than following it, so we start it early instead of at go-live.
Revalidation is an emailMassHealth revalidates at least every five years, it emails you when it’s your turn, and you get 45 days from that notice. From July 1, 2026 it also includes reviewing your provider directory information, and non-Medicare individual providers attest through a secure link instead of logging into the POSC. Name a primary and a backup contact who actually read that inbox.

Commercial

One CAQH file opens seven of the local plans.

Massachusetts has something close to a designated pathway, and it saves real time. HealthCare Administrative Solutions, or HCAS, is a shared service whose participating plans are Blue Cross Blue Shield of Massachusetts, Fallon Health, Harvard Pilgrim, Health New England, Mass General Brigham Health Plan, Tufts Health Plan and WellSense. Inside it the national CAQH application is replaced by the shorter Integrated Massachusetts Application, though out-of-state providers still use the national form.

Your CAQH stays yoursYou complete and attest your own profile. We’re added as an authorized practice manager, so we keep the practice data current and get each payer authorized. We never ask for your password. Letting an attestation lapse can trigger administrative termination at Point32Health and force a full new initial credentialing, so this is not housekeeping here.
The pathway is moving, so we watch itEffective May 1, 2026 Harvard Pilgrim rewrote its credentialing policy to drop HCAS credentialing references and state CAQH requirements directly, while still using the HCAS Provider Enrollment Form for the separate enrollment step. Blue Cross still names HCAS as the coordinator of its credentialing and primary source verification. Older instructions point in both directions, so we confirm per carrier rather than assuming.
Sequence matters at Point32HealthYou need a signed contract with Harvard Pilgrim, or an agreement with an entity that already holds one, before credentialing can even begin. Your effective date is committee approval or the contract date, whichever is later, and claims before it are denied. A verification discrepancy gives you 30 days from the letter to respond in writing, and missing it withdraws the application. Recredentialing runs every two years on a date-of-birth cycle, tighter than the three years most carriers use.
Behavioral health has its own doorOptum for UnitedHealthcare and for Mass General Brigham Health Plan. Evernorth for Cigna. A separate request form at Aetna. Carelon for Fallon. In house at Blue Cross, at Point32Health since November 1, 2023, and at WellSense since January 1, 2026. Blue Cross has a dedicated behavioral health contracting application, and providers delivering Behavioral Health for Children and Adolescents services attach a further form listing every licensed site plus any home-based sites.
Seeing patients in other statesOne Blue Cross Blue Shield of Massachusetts contract reaches Blue members who live elsewhere through BlueCard. Aetna, Cigna with Evernorth, and UnitedHealthcare with Optum are national, so one contract each covers every state you’re licensed in. The gate is a licence where the patient is sitting. Medicaid is the genuine exception, and joining another state’s network is its own question.

Massachusetts payers

Who you’ll apply to, and how long it usually takes.

These are typical ranges from a complete application, with the 20 business day response requirement sitting underneath the commercial side. Payers control their own timelines, so we track them rather than promise them.

Blue Cross Blue Shield of Massachusetts

The largest commercial carrier in the state, by a wide margin
  • Usually: 60 to 120 days from a complete file, with the 20 business day response requirement underneath it
  • Behavioral health: credentialed in house, which isn’t the norm among large carriers. Use the dedicated behavioral health contracting application covering psychiatrists, child psychiatrists, psychologists, LICSWs, LMHCs, LMFTs and licensed alcohol and drug counsellors, not the general medical form
  • Watch: providers delivering Behavioral Health for Children and Adolescents services complete an extra form and attach it, listing every Massachusetts licensed site plus any sites used for home-based work. Blue Cross also asks you to review your directory information every 90 days

Point32Health

Harvard Pilgrim Health Care and Tufts Health Plan, one application, two submission addresses
  • Usually: 60 to 120 days from a complete file, and the contract has to be signed before credentialing starts
  • Behavioral health: in house since November 1, 2023, with credentialing standards applied uniformly. Psychiatric nurse practitioners and psychiatric clinical nurse specialists are named clinician types. An individual submits the Ancillary Practitioner Data Form Behavioral Health, an organization submits the Ancillary Data Form, both with a W-9
  • Watch: a two-year recredentialing cycle on your date of birth, minimum malpractice cover of $1,000,000 per occurrence and $3,000,000 aggregate, and a new Harvard Pilgrim National Access EPO that started January 1, 2026 across Massachusetts, New Hampshire and Rhode Island

UnitedHealthcare and Optum

The strongest published opening in the state
  • Usually: 60 to 120 days from a complete application, started inside Provider Express using Join Our Network. That’s a separate application from core UnitedHealthcare medical
  • Why it’s near the front: Optum’s Massachusetts page lists prescribers as sought in all counties, along with telemental health, medication assisted treatment prescribers, and Express Access providers who can see a member within five business days
  • Reach: Optum also manages behavioral health for Mass General Brigham Health Plan and for UnitedHealthcare Community Plan of Massachusetts, so one Optum relationship goes further here than in most states

Separate door: Optum Behavioral Health

WellSense Health Plan

The live change, and the biggest single door in MassHealth
  • Usually: about 45 to 60 days from a signed contract and complete documentation, per WellSense. Verisys verifies, Andros contracts
  • Right now: behavioral health has been credentialed directly by WellSense since January 1, 2026, and prior Carelon credentialing does not transfer
  • Reach: eight ACO partnerships across Boston, the North Shore, Merrimack Valley, central and western Massachusetts and the South Coast, plus WellSense Essential and the Clarity marketplace plans. If you do one MassHealth managed care contract, this family is usually it

Mass General Brigham Health Plan

Formerly AllWays Health Partners, and Neighborhood Health Plan before that
  • Usually: the plan says it follows up on a letter of interest within two business days and that contracting and credentialing typically take about 30 days using its Concord tool. Fast for this market
  • Behavioral health: goes through Optum, not the plan’s own contracting path, which surprises people who assume a local plan credentials locally
  • Reach: commercial, the Health Connector, a Group Insurance Commission line, the Mass General Brigham ACO on MassHealth, and 2026 Senior Care Options and One Care contracts, all from one relationship

Separate door: Optum Behavioral Health

Health New England

Springfield and the Pioneer Valley, owned by Baystate Health
  • Usually: 60 to 120 days. It starts with a letter of interest, and Health New England says completing it doesn’t constitute acceptance and that incomplete submissions get rejected
  • Hard gate: the practice or service address has to be in western Massachusetts or Worcester county. Check that before you spend time on it
  • Why it matters: in Hampden, Hampshire and Franklin counties it holds a share a national carrier list would never predict, and it’s a current Group Insurance Commission carrier. On the MassHealth side it sends behavioral health providers to MBHP directly

Fallon Health

Worcester county and the Berkshires
  • Usually: 60 to 120 days from a complete file, credentialed through the HCAS process using CAQH
  • Behavioral health: through Carelon, so the relationship that reaches MBHP members can be the door here too. Confirm which Carelon network and contract applies, because MBHP and Fallon are different books inside the same vendor
  • Reach: three MassHealth ACO partnerships and a 2026 Senior Care Options contract. West of Route 495 this is worth more than its statewide size suggests

Separate door: Carelon Behavioral Health

Aetna

Behavioral health in house, on its own form
  • Usually: a request for participation first, an answer on network need and eligibility within 45 days, then credentialing pulled from CAQH, then contracting. Commonly 60 to 120 days end to end
  • Path: behavioral health clinicians use Aetna’s separate behavioral health request for participation, not the medical one, even when joining a medical group
  • Reach: national, so one contract covers every state you’re licensed in. A straightforward add rather than a first application in this market

Cigna Healthcare and Evernorth

Paused right now, nationally
  • Right now: Evernorth paused new individual and clinic behavioral health applications on June 1, 2026 and has signalled a reopen after September 1. Facilities are exempt and anything filed before June 1 keeps processing
  • Usually: up to about 90 days to join the behavioral network once it’s open, with CAQH re-attestation every 120 days
  • What we do: we queue it and tell you the wait rather than submitting into a closed queue

Separate door: Evernorth Behavioral Health

Humana is not a commercial group option in Massachusetts. It announced its exit from employer-group commercial medical in 2023 and phased out of it, so treat it as a Medicare Advantage and Medicaid conversation. Two more names have changed hands and you’ll still see the old ones on contracts and directories: Commonwealth Care Alliance was acquired by CareSource in April 2025, and Senior Whole Health now carries Molina branding. Medicare, and MassHealth with its ACOs, Senior Care Options and One Care plans, are scoped and priced separately from a commercial package.

Carry a plan we didn’t list? Add it.

The Group Insurance Commission covers Massachusetts state employees, retirees and a long list of participating municipalities, roughly 240,000 enrollees and about 461,000 members. You don’t contract with the GIC. You reach those members through the carrier administering their plan, currently Mass General Brigham Health Plan, Harvard Pilgrim, Health New England, Tufts Health Plan on the Medicare side, and Wellpoint. That’s a concrete reason to hold a regional plan even when a national-carrier list says you’re covered. Health Connector plans are sold by carriers you may already have, but a commercial group contract doesn’t always include the Connector line, so we confirm product-level participation at contracting rather than after a patient moves. Building trades, UFCW and teamster Taft-Hartley funds are usually reached through a rented commercial network. And the state’s Community Behavioral Health Centers and the 24/7 Behavioral Health Help Line aren’t payers, but they’re the front door for a lot of MassHealth referrals, so knowing your regional CBHC changes your patient stream. You name the plan. We find the real route.

What we need from you

Send these once and we can start.

You give us this in one intake. Then we fill out the applications. No passwords, no patient information, and nothing gets submitted until you’ve read it and signed.

  • Every MassHealth service locationThe exact address of each place you’ll see members. MassHealth enrolls per location, including non-billing sites that bill through a main office, and it won’t enroll an administrative office. This is also what puts each site in the MassHealth provider directory.
  • Your availability to sign at submissionMassHealth rejects a form signed more than 90 days earlier. We prepare everything, you review and sign, and we submit the same week. Signing early is worse than signing late here.
  • Your individual NPIPlus the Type 2 if you bill under a group or entity. MassHealth links your individual enrollment to each group you practise in, so both sides have to be right before anything loads.
  • Active Massachusetts licence and DEAIf either is still pending, MassHealth holds the application up to six months before you have to start over.
  • CAQH attested and authorizedYou attest it. We keep it current. It does more work here than in most states, because HCAS coordinates credentialing through CAQH for seven local plans, Optum requires it for Massachusetts, and WellSense requires you to grant access to your data.
  • Who your POSC users will beA Primary User and a Backup Primary User, named on the Data Collection Form. Each organization gets exactly one of each. Name the same people as your revalidation contacts so the five-year notice doesn’t land in an inbox nobody reads. We prepare the form. You name the people. Delegated access only.
  • Five years of work historyMonth and year, with any gap over six months explained. It’s the most common reason a credentialing file goes back to you instead of forward.
  • Malpractice certificateNaming you by name, or a carrier-produced roster face sheet. Harvard Pilgrim publishes a minimum of $1,000,000 per occurrence and $3,000,000 aggregate for clinicians.
  • Entity name, EIN and W-9One per tax ID. The W-9 goes in with the MassHealth packet and with the Point32Health behavioral health forms.
  • CANS certification, if you’ll see anyone under 21Through the Massachusetts CANS portal, renewed every two years. It gates the assessment rather than following it, so we start it early.
  • Roughly which plans your patients carryAnd which counties you’ll serve. Behavioral health is handled somewhere different depending on the ACO, and Health New England won’t take a practice address outside western Massachusetts or Worcester county. This decides where we apply first instead of applying everywhere.

Depending on the services you plan to deliver, Massachusetts may want the practice itself licensed, separately from your own clinical licence. The category is a clinic licence from the Department of Public Health under 105 CMR 140.000, which covers mental health clinics and substance use disorder services, and separate regimes exist through the DPH Bureau of Substance Addiction Services and the Department of Mental Health for certain programs. MassHealth also defines a Mental Health Center provider type with its own program requirements. It tends to come up around intensive outpatient and partial hospitalization, substance use and opioid treatment, crisis services, Community Behavioral Health Center services and day treatment, and MBHP’s credentialing criteria reference state licensing by service type. A solo prescriber doing outpatient medication management as a private practice frequently isn’t in that category. We ask during intake so it gets answered early, because it’s the kind of thing that stalls a payer contract when it turns up late. We don’t give legal advice and we don’t file it for you.

How it works

You answer once. We do the paperwork.

You can buy online without a meeting. Published price, published scope, no call needed unless you want one.

Buy the package

Published price and scope. No call needed.

One intake

Short and guided. It asks more only where your answers call for it, including every service location MassHealth will need.

We prepare everything

The MassHealth request and packet, the plan applications and every commercial file, built from what you told us.

You review and sign

Read it, change anything, sign. We submit the same week so the 90-day signature rule never bites.

We submit and track

Every purchase includes Command Suite, so you can see where each payer application stands, what we’re working on, what’s waiting on a payer, and what we still need from you.

What we stand behind

Payer decisions, timing and rates are not ours to promise, and we don’t promise them. Our own work is a different matter. If something we delivered does not work the way we said it would, we fix it at no charge for 30 days after delivery, including one stabilization review. A new request, another payer or provider, a change of scope, or a new build is quoted separately. You won’t get an invoice for correcting our mistake.

Built to keep working after we’re done

Everything we set up is built for the practice you are growing into, not only the one you have today. Adding a provider or a second location should be a configuration change rather than a rebuild. When the engagement ends you own the accounts, the documentation and the systems, and they keep running without us. No lock-in.

Questions we get

Massachusetts credentialing questions

How fast does a Massachusetts carrier have to answer a credentialing application?
Twenty business days. M.G.L. c. 176O section 29 requires a carrier to review a submitted credentialing form and respond within 20 business days of a completed credentialing request. It also requires the Bureau of Managed Care to develop standard credentialing forms and requires carriers to accept them as sufficient information, and it keeps the carrier responsible for any vendor it hands credentialing to, financial penalties included. That last part matters in a state where so much runs through Optum, Evernorth and Carelon. Read the verb carefully, though: respond is not approve. Plan on 60 to 120 days per payer to be genuinely billable, and treat the 20 days as a status clock you can hold someone to.
Can a Massachusetts insurer take back a behavioral health claim it already paid?
Not after twelve months. Sections 53 to 58 of Chapter 41 of the Acts of 2019 bar a carrier from retroactively denying a previously paid behavioral health claim once 12 months have passed from the date you submitted it, and that covers takebacks by the carrier, by a behavioral health subcontractor and by an administrative services contractor. Inside the twelve months a carrier still has to give you a written reason and, where it applies, 30 days to respond. The Division of Insurance says you don’t have to be in the carrier’s network to get the protection, as long as the service was delivered with an expectation of payment. Three honest limits: it doesn’t reach self-insured plans, Medicare or other federally regulated coverage, and after twelve months a denial is still allowed for fraud, for a claim under legal action, where the provider or member was already paid, or where the service wasn’t delivered. Practically, a Massachusetts behavioral health practice carries less takeback risk than the same practice in most other states.
Do I have to enroll with MassHealth if I never bill MassHealth?
If you order, refer or prescribe for MassHealth members, yes. MassHealth requires those providers to enroll, at minimum as a non-billing provider, and since September 1, 2023 another provider’s claim gets denied when the ordering, referring or prescribing provider named on it isn’t enrolled. So an unenrolled prescriber doesn’t just lose their own money. They break the claim of whoever fills or performs the order, which is a phone call you’d rather not get. The non-billing application is short and it doesn’t commit you to billing MassHealth.
Why can’t I just download the MassHealth application?
Because Massachusetts doesn’t publish one. You submit the Provider Application Request Form online and MassHealth emails you the correct packet for your provider type with its own checklist. Three rules then decide how fast it goes. MassHealth won’t accept a form signed more than 90 days earlier, so you sign at submission rather than in advance. Entities and group practices enroll at every service location where members are seen, including non-billing sites that bill through a main office, and an administrative office can’t be enrolled. And an individual practising inside a group enrolls fee-for-service first and is then linked to each group. MassHealth publishes a 30-day processing goal for a complete application and gives you an Application Tracking Number to follow it in Provider Self-Service. The first surprise costs most people about a week.
My Carelon contract used to reach WellSense members. Does it still?
No. WellSense didn’t renew its Carelon behavioral health contract past December 31, 2025 and brought behavioral health in-house effective January 1, 2026 across MassHealth, its Medicare Advantage line and its Clarity marketplace plans. Prior Carelon credentialing does not transfer. To be paid for dates of service on or after that date you have to be credentialed directly with WellSense, which uses Verisys to verify and Andros to contract, and says credentialing typically runs about 45 to 60 days from a signed contract and complete documentation. WellSense holds eight ACO partnerships plus the only standalone MassHealth MCO, so this is the largest single exposure in the state right now. New Hampshire went first, on December 1, 2025, for the same carrier.
Which Massachusetts plans share one credentialing file?
HealthCare Administrative Solutions, or HCAS, is a shared administrative service whose participating plans are Blue Cross Blue Shield of Massachusetts, Fallon Health, Harvard Pilgrim Health Care, Health New England, Mass General Brigham Health Plan, Tufts Health Plan and WellSense Health Plan. Inside that pathway the national CAQH application is replaced by the shorter Integrated Massachusetts Application, though out-of-state providers still use the national CAQH form. The picture is moving and it’s worth watching rather than assuming: effective May 1, 2026 Harvard Pilgrim rewrote its credentialing policy to drop HCAS credentialing references and state CAQH requirements directly, while Blue Cross still names HCAS as the coordinator of its credentialing and primary source verification. Either way the practical instruction is the same. One attested CAQH profile feeds most of this market, which is why an unattested one blocks more doors here than it would elsewhere.
Where does a behavioral health application go at each Massachusetts carrier?
This is the state where guessing costs the most, because no two carriers are the same. Optum for UnitedHealthcare and for Mass General Brigham Health Plan. Evernorth for Cigna. A separate behavioral health request for participation at Aetna. Carelon for Fallon Health. MBHP, which Carelon administers, for the MassHealth PCC Plan, both Primary Care ACOs and BeHealthy Partnership. In house at Blue Cross Blue Shield of Massachusetts, at Point32Health since November 1, 2023 across Harvard Pilgrim and all Tufts products, and at WellSense since January 1, 2026. Blue Cross also has a dedicated behavioral health contracting application, so the general medical form is the wrong one there too.
Do you need my CAQH password?
No, and we won’t ask. We’re added as an authorized practice manager, which lets us keep your practice data current and authorize payers. You complete and attest your own profile, and you sign anything that needs your signature. Anyone asking a provider for their CAQH password is doing it wrong. An attested profile carries more weight in Massachusetts than in most states, because HCAS coordinates credentialing through CAQH for seven local plans, Optum states CAQH is required for Massachusetts credentialing, and WellSense requires you to grant it access to your CAQH data. Letting an attestation lapse can trigger administrative termination at Point32Health and force a full new initial credentialing.

Keep reading

Related

Massachusetts PMHNP scope of practiceWhat Massachusetts allows you to do, separate from who pays you.
New Hampshire credentialingThirty days for a mental health provider, and the same WellSense change a month earlier.
Rhode Island credentialingForty-five days to decide, and five business days to confirm your file is complete.
Connecticut credentialingHUSKY is fee-for-service, so there are no Medicaid plans to contract with.
Vermont credentialingOne credentialing application by law since 2007, and it’s CAQH.
Opening your own practiceEntity, identifiers, payers, EHR and billing setup.
Adding a provider to your clinicFirst-time credentialing into contracts you already hold.
Changing your entity or tax IDMoving panels without breaking the money.

Ready to get billable in Massachusetts?

Start the intake and we’ll request your MassHealth packet, map your service locations, and line up the commercial set off one CAQH file. Most people never need a call.

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Where this comes from

  • MassHealth, Provider Enrollment and Credentialing FAQ: per-location enrollment, the 90-day signature limit, the 30-day processing timeline, the Application Tracking Number and the ordering, referring and prescribing requirement verified July 26, 2026
  • MassHealth, apply to become a MassHealth provider: the Provider Application Request Form as the entry point and the emailed packet verified July 26, 2026
  • MassHealth, revalidation for fee-for-service providers: five-year cycle, 45 days from the email notice, and the July 1, 2026 provider directory and secure-link attestation changes verified July 26, 2026
  • Massachusetts General Court, M.G.L. c. 176O section 29: standard credentialing forms, the 20 business day response requirement, and carrier responsibility for delegated credentialing vendors verified July 26, 2026
  • Massachusetts Division of Insurance, Chapter 41 of the Acts of 2019 sections 53 to 58, the prohibition on retroactive denial of paid behavioral health claims after 12 months verified July 26, 2026
  • HealthCare Administrative Solutions, Inc., the participating plans and the Integrated Massachusetts Application verified July 26, 2026
  • WellSense Health Plan, behavioral health insourcing FAQs: Carelon not renewed past December 31, 2025 and prior credentialing does not transfer verified July 26, 2026
  • Point32Health, Harvard Pilgrim clinician credentialing and recredentialing manual: contract before credentialing, effective dates, the two-year cycle and the May 1, 2026 policy change verified July 26, 2026
  • Blue Cross Blue Shield of Massachusetts, behavioral health contracting applications and the Behavioral Health for Children and Adolescents form verified July 26, 2026

Written by Ryan Berg, founder of AdvanceAPractice. 16 years in healthcare revenue cycle and credentialing.

Facts on this page were verified July 26, 2026 and are next due for review October 26, 2026.

Payer programs, plans and timelines change. Everything here carries a verification date and gets re-checked on a review cycle; this record is next due for review on October 26, 2026. Approval and effective dates are controlled by each payer and by the state, and nothing here promises an approval, a timeline or a rate. This page covers payer operations. It isn’t legal, tax or scope of practice advice.