Plymouth Mental Health Billing Service: 5 Easy Checks
A Plymouth mental health billing service is an outside company that sends insurance claims, posts payments and follows up on denials for therapy and psychiatry practices in Plymouth, Massachusetts, and nearby towns. Many solo practices see clients by telehealth and bill several kinds of coverage. This guide gives five checks to run on every client, plus the Massachusetts rules behind them.
Plymouth and Plymouth County: what a Plymouth mental health billing service should know
The U.S. Census Bureau’s QuickFacts page lists Plymouth as a town in Plymouth County, Massachusetts. It shows a median household income of $116,941 for 2020 to 2024, in 2024 dollars, as checked October 24, 2026. A median says nothing about one client’s coverage, so a Plymouth mental health billing service should read each client’s card, not the zip code.
Solo practices and telehealth
Solo practitioners in Plymouth County often see clients who live in other towns, and many visits happen by video or phone. Where the client lives does not decide the payer. The plan on the card does. Record the plan type and policyholder at intake, and note whether each visit was in person or by telehealth. Massachusetts has a telehealth payment rule, covered below.
Out-of-network practices
If your practice is out of network, ask whether the service bills out-of-network claims. MCM South bills out-of-network claims for clients.
Five checks a Plymouth mental health billing service runs on every client
Run these five checks at intake and again when anything changes. A good service does them through insurance verification before the first visit, not after a denial.
| Check | What to confirm |
|---|---|
| 1. What type of plan? | Commercial (fully insured or self-funded), Medicare or MassHealth, and for MassHealth the plan type |
| 2. Who handles behavioral health? | Whether the plan or a separate behavioral health contractor takes claims and prior authorizations |
| 3. How was the visit delivered? | In person, video or phone, recorded on every claim |
| 4. Are you enrolled? | Your credentialing status and effective date with that payer |
| 5. What is the filing clock? | MassHealth and Medicare limits below; commercial windows from your contract |
Rules a Plymouth mental health billing service applies by payer type
Private payers
On its company overview page, Blue Cross and Blue Shield of Massachusetts lists its type of business as an independent licensee of the Blue Cross and Blue Shield Association. Treat it as its own payer, not as a copy of another state’s Blue plan.
Point32Health says it is the parent organization of Harvard Pilgrim Health Care and Tufts Health Plan, and its provider site links manuals and prior authorization pages. Keep payer contacts in our insurance companies contact directory.
Medicare and Medicaid
Original Medicare claims from Massachusetts go to National Government Services, Inc., the contractor for Jurisdiction K, according to a Centers for Medicare & Medicaid Services (CMS) page last modified July 8, 2026. Medicare.gov sets a 12-month filing limit and says the law requires the provider to file the claim.
MassHealth is the Massachusetts Medicaid program. Its provider handbook (updated August 21, 2026) says Eligibility Verification System (EVS) messages show a member’s health plan type and whom to contact about billing. The managed care handbook page says the Massachusetts Behavioral Health Partnership (MBHP) manages behavioral health for Primary Care ACO and PCC Plan members. For MCO and ACPP members, confirm the behavioral health contact with the plan.
The MassHealth billing timelines page (updated May 1, 2024) sets four clocks. Track each by date of service. MassHealth billing updates tracks what is changing.
| Clock | What the page says |
|---|---|
| 90 days | MassHealth must receive the initial claim within 90 days of the service date |
| 12 months | Final deadline for a claim first filed within 90 days |
| 18 months | Final deadline when another insurer was billed first |
| 36 months | After this, the claim is denied and cannot be appealed |
State rules
Massachusetts General Laws chapter 176I, section 13 says telehealth cost sharing cannot exceed the in-person amount. It also says in-network behavioral health providers must be paid no less for audio-video or audio-only visits than for the same service in person. The page is labeled an unofficial version, so confirm the plan type and your contract.
The Division of Insurance (DOI) said in May 2025 that fully insured plans in Massachusetts cover mental health and substance use benefits, with cost sharing no higher than for medical care. Ask whether a client’s plan is fully insured or self-funded before you rely on a state rule.
Psychiatrists should read chapter 176O, section 5D. A carrier’s base fee schedule for behavioral health evaluation and management visits cannot be lower than its schedule for primary care providers of similar licensure in the same region. Final rates can be negotiated, so check your contract.
How do I choose a Plymouth mental health billing service?
Pick a service that can name the payer types in your caseload, show how it tracks filing deadlines for each, and send a written report every month. Ask for a sample report and a HIPAA business associate agreement before any client record moves. Get fee terms in writing, and confirm that the service bills in Massachusetts.
What to do Monday morning
- Export your client list with payer, plan type and visit type for each client.
- Mark every MassHealth client and look up the plan in EVS.
- Write the filing window next to each payer name.
- Pull your last remittance and read it with our guides to electronic remittance advice and CARC and RARC codes.
- Send the five checks above to each Plymouth mental health billing service you are considering.
The short version: Plymouth mental health billing service
A Plymouth mental health billing service earns the job by checking the plan type, the behavioral health contact, the visit type and the filing clock for every client. Public and private rules differ in Massachusetts, so ask the service to show which applies. Get answers in writing.
How MCM South helps
MCM South Medical Billing Service, LLC bills exclusively for mental and behavioral health. We work with psychotherapists and psychiatrists in solo and medium-size practices, and we bill out-of-network claims for clients. Massachusetts is one of our ten currently served states, and we work with practices there.
Keep going
Related reading
Ready to hand off the billing side? We can talk through your practice.
FAQ
Does my practice need a billing service located in Plymouth?
No. Claims and reports move electronically, so a service can work with practices in Plymouth, elsewhere in Plymouth County and across Massachusetts. Payer knowledge, written terms and clear reporting matter more than an address. Ask the service to confirm in writing that it bills in Massachusetts.
Does Massachusetts require telehealth to be paid like in-person care?
Chapter 176I, section 13 says in-network behavioral health providers must be paid no less for audio-video or audio-only visits than for in-person ones, and telehealth cost sharing cannot exceed in-person cost sharing. The state’s page is labeled unofficial, so confirm your plan type and contract.
How long do I have to bill MassHealth?
MassHealth’s billing timelines page says the initial claim must reach MassHealth within 90 days of the service date. It sets a 12-month final deadline, 18 months when another insurer was billed first, and a 36-month limit after which claims cannot be appealed.
Is Blue Cross Blue Shield of Massachusetts the same as other Blue plans?
No. The company’s own overview page describes it as an independent licensee of the Blue Cross and Blue Shield Association. Check its provider site for its rules and never carry another state’s Blue plan rules over to it.
Where do Original Medicare claims from Massachusetts go?
CMS lists National Government Services, Inc. as the contractor for Jurisdiction K, which covers Massachusetts. Medicare.gov sets a 12-month filing limit for Original Medicare, so track the date of service on every claim.
Where MCM South works
MCM South Medical Billing Service, LLC works with psychotherapists and psychiatrists in our ten currently served states: Georgia, Massachusetts, Connecticut, Texas, Florida, New York, Colorado, Tennessee, North Carolina and Illinois. We serve solo and medium-size practices that bill mental and behavioral health. Founder Michael Williams has worked with insurance payers in all 50 states. Browse the state and regional billing guides for rules that vary by state, or see our billing services.
This post is operational guidance for billing, not legal advice. Rules change, so confirm with the payer or your counsel.
