TRUSTED CONTENTA month of residential rehab in Massachusetts costs $8,000–$35,000 before insurance, with a typical price of $21,500, 30% above the U.S. median. Treatment centers across the state quoted RehabSeekers.com between $50 and $1,170 a day depending on the level of care: $270–$900 a day for medical detox, $9,000–$18,000 a month for partial hospitalization (PHP), $3,500–$12,000 a month for intensive outpatient (IOP) and $1,500–$6,000 for weekly outpatient counseling.
Our own data: RehabSeekers.com commissioned a team of researchers to telephone addiction treatment centers in every state, Massachusetts included, and write down the 2027 self-pay prices they quoted. Many people pay less than the full figure: MassHealth has no copays, BSAS funds care for people who cannot pay, and state law lets insured patients start detox without waiting for insurer approval. Method.
On this page
What does each level of rehab cost in Massachusetts?
Round-the-clock residential care costs most; weekly counseling costs least.
Per-day price ranges in Massachusetts
Lowest to highest daily quote for each level, before insurance. The priciest residential program came to about $1,170 a day.
Source: RehabSeekers.com Rehab Cost Survey, 2027 prices quoted by Massachusetts treatment centers.
| Level of care | Cost per day | Cost per month | Typical (midpoint) | Typical length |
|---|---|---|---|---|
| Medical detox | $270–$900 | $8,000–$27,000 | $585 a day | 3–10 days |
| Residential (inpatient) | $270–$1,170 | $8,000–$35,000 | $21,500 a month | 30–90 days |
| Partial hospitalization (PHP) | $300–$600 | $9,000–$18,000 | $13,500 a month | 2–4 weeks |
| Intensive outpatient (IOP) | $120–$400 | $3,500–$12,000 | $7,750 a month | 4–12 weeks |
| Standard outpatient | $50–$200 | $1,500–$6,000 | $3,750 a month | 3 months or longer |
Source: RehabSeekers.com Rehab Cost Survey, 2027 prices before insurance. Typical prices are the midpoint between the lowest and highest Massachusetts quote. A month means 30 days.
The residential spread is wide: $8,000 at the low end and $35,000 at the top, a difference of $27,000 for the same 30 days. Staffing, therapy hours, private rooms and extras billed separately usually explain the gap, so compare those before paying more.
Price a stay at Massachusetts rates
Choose the type of care and slide to the number of days. Detox is multiplied out from the Massachusetts daily rate and stops at 14 days, the combined acute treatment and clinical stabilization window state law protects. Residential, PHP, IOP and outpatient totals divide the monthly Massachusetts price by 30 and multiply by your days.
An estimate before insurance, not a quote.
Can you start detox in Massachusetts without insurance approval?
Yes, in most cases. Chapter 258 of the Acts of 2014 changed how detox is paid for in Massachusetts. Since October 1, 2015, fully insured commercial plans and the Group Insurance Commission (GIC) plan for state employees must cover acute treatment services (ATS) and clinical stabilization services (CSS) for up to 14 days combined, and they may not require preauthorization before acute treatment or clinical stabilization. MassHealth must also cover acute treatment and up to 14 days of clinical stabilization, with no preauthorization for either.
How the 14-day rule plays out after admission
ATS is the state’s term for medically monitored evaluation and withdrawal management, which most people call detox.
What the law sets out
- You can be admitted without waiting for your insurer to approve it.
- The facility must notify your insurer within 48 hours of admission.
- Your insurer may not begin utilization review before day 7.
- Your treating clinician and you decide medical necessity, noted in your chart.
Worth checking on arrival
- Is the program in your plan’s network?
- What deductible or coinsurance applies to the stay?
At Massachusetts self-pay rates, a week of detox costs $1,890–$6,300, and 14 days at detox rates would cost $3,780–$12,600. The rule applies to plans regulated under the state’s insurance chapters; if your employer pays claims itself, ask your benefits office whether the plan follows it.
| Detox length | Estimated total before insurance |
|---|---|
| 3 days | $810–$2,700 |
| 5 days | $1,350–$4,500 |
| 7 days | $1,890–$6,300 |
| 10 days | $2,700–$9,000 |
How does MassHealth pay for rehab?
MassHealth is the Massachusetts Medicaid program, and the state has expanded it to low-income adults. Its Section 1115 demonstration, which runs from October 1, 2022 through December 31, 2027, includes a substance use disorder component aimed at covering residential and inpatient treatment and medically supervised withdrawal management.
Which office actually authorizes your treatment depends on the plan type you chose when you enrolled. Members of Primary Care ACOs and the PCC Plan get behavioral health care, including addiction treatment, through the Massachusetts Behavioral Health Partnership (MBHP). Partnership Plan and MCO members use their own plan’s network.
| Your MassHealth plan type | Addiction treatment through | What that means |
|---|---|---|
| Accountable Care Partnership Plan | The plan’s own network | One plan for medical and behavioral health care |
| Primary Care ACO | MBHP | Your ACO handles medical care; MBHP handles addiction and mental health care |
| WellSense Essential MCO | The plan’s own network | The one managed care organization option in the guide |
| PCC Plan | MBHP | Primary care clinician plan; MBHP handles addiction and mental health care |
Source: MassHealth enrollment guide, revised June 2026. MBHP is the Massachusetts Behavioral Health Partnership.
- No copays. MassHealth eliminated copayments for its members, and for Health Safety Net patients, effective April 1, 2024. Medications for substance use disorder, including methadone and buprenorphine, were exempt even before then.
- Applying. You can apply online through an MA Login account, which connects to the Health Connector system, or by mail, fax, phone or in person at a MassHealth Enrollment Center.
- Work requirements from 2027. From January 1, 2027, federal law requires some MassHealth adults to meet work or education requirements. Participants in certain substance use disorder treatment and rehabilitation programs may be exempt.
- The waiver after 2027. The state plans to ask the federal government to extend the demonstration from January 1, 2028 through December 31, 2032. That extension has not been approved.
Search treatment centers that accept Medicaid to find MassHealth providers.
Who pays for rehab in Massachusetts if you have no insurance?
The Bureau of Substance Addiction Services (BSAS) at the Department of Public Health oversees the state’s prevention, treatment and recovery system and lists treatment access for the uninsured among its roles. Its funding reaches patients through the treatment facilities it contracts with.
The legal basis is Chapter 111E, Section 17 of the General Laws. When a patient at a contracted private facility cannot afford treatment and has no other source of payment, the statute says BSAS shall pay the cost. That makes BSAS the payer of last resort: insurance and MassHealth come first. BSAS rules define who counts as unable to pay. RehabSeekers.com lists both state-funded and private self-pay programs, so you can compare the two side by side.
What does private insurance cover for rehab in Massachusetts?
Massachusetts parity law (Chapter 175, Section 47B) requires state-regulated insurers to provide mental health benefits on a nondiscriminatory basis, and it lists substance abuse disorders among the biologically based mental disorders it protects.
Two newer rules come from Chapter 285 of the Acts of 2024, signed on December 23, 2024. The law reaches state-regulated plans, the GIC and MassHealth. Opioid overdose reversal drugs such as naloxone must be covered with no prior authorization and no cost-sharing in plans entered into, renewed or amended on or after July 1, 2025. Recovery coach services get the same treatment, with no deductible, coinsurance or copay, in plans entered into, renewed or amended on or after January 1, 2026. Search rehab programs by insurer.
Which way of paying for rehab costs least in Massachusetts?
MassHealth is usually cheapest for those who qualify; BSAS steps in only when nothing else will pay.
| Route | What you pay | Key coverage |
|---|---|---|
| MassHealth | No copays since April 1, 2024 | Residential, inpatient and withdrawal management under the 1115 waiver; acute treatment and up to 14 days of clinical stabilization, no preauthorization |
| BSAS funding | Set by BSAS rules on financial ability | Care at BSAS-contracted facilities when you can’t pay and have no other coverage |
| State-regulated private plan or GIC | Your deductible, copays and coinsurance | Up to 14 days of acute treatment and clinical stabilization; recovery coaching at $0 from 2026 |
| Paying yourself | $8,000–$35,000 a month residential; $270–$900 a day detox | Whatever the program quotes; ask what is billed separately |
What do longer stays and step-down care cost in Massachusetts?
The National Institute on Drug Abuse says most people need at least three months of treatment. In Massachusetts that is expensive at residential rates, which is why many people step down to PHP, then IOP, as they stabilize.
| Length of stay | Estimated total before insurance | Good to know |
|---|---|---|
| 30 days | $8,000–$35,000 | A common first stay, often followed by PHP or IOP |
| 60 days | $16,000–$70,000 | More time to stabilize before stepping down |
| 90 days | $24,000–$105,000 | NIDA says most individuals need at least 3 months of treatment |
A two-week stay at residential rates works out to $3,733–$16,333 before insurance, while 90 days of IOP costs $10,500–$36,000. Detox, a month of residential care, a month of PHP and two months of IOP add up as follows.
| Stage | Length | Estimated cost before insurance |
|---|---|---|
| Medical detox | 7 days | $1,890–$6,300 |
| Residential treatment | 30 days | $8,000–$35,000 |
| Partial hospitalization | 30 days | $9,000–$18,000 |
| Intensive outpatient | 60 days | $7,000–$24,000 |
| Full course of care | 127 days | $25,890–$83,300 |
Calculated from RehabSeekers.com Rehab Cost Survey Massachusetts prices. An example, not a quote.
Compare 90-day residential, PHP and IOP programs.
Is rehab cheaper in New Hampshire, Rhode Island or Connecticut?
Compared with Massachusetts, typical residential treatment costs $3,000 a month less in Connecticut, New Hampshire, Rhode Island and Vermont, and $2,500 a month more in New York. New York quotes the same typical price as Massachusetts for medical detox, partial hospitalization, intensive outpatient and standard outpatient care. Connecticut, New Hampshire, Vermont and Rhode Island share one typical residential price, a regional pattern the survey picked up.
Darker states have higher typical prices (range midpoints, before insurance) among these 6 states. Massachusetts is outlined in orange; your pick is dashed. Source: RehabSeekers.com Rehab Cost Survey, 2027 prices.
| State | Detox per day | Residential per month | PHP per month | IOP per month | Outpatient per month |
|---|---|---|---|---|---|
| Massachusetts | $270–$900 | $8,000–$35,000 | $9,000–$18,000 | $3,500–$12,000 | $1,500–$6,000 |
| New York | $270–$900 | $8,000–$40,000 | $9,000–$18,000 | $3,500–$12,000 | $1,500–$6,000 |
| Connecticut | $250–$800 | $7,000–$30,000 | $8,000–$15,000 | $3,500–$11,000 | $1,500–$6,000 |
| New Hampshire | $250–$800 | $7,000–$30,000 | $8,000–$15,000 | $3,000–$10,000 | $1,500–$5,500 |
| Vermont | $250–$800 | $7,000–$30,000 | $8,000–$15,000 | $3,000–$10,000 | $1,500–$5,500 |
| Rhode Island | $250–$800 | $7,000–$30,000 | $8,000–$15,000 | $3,000–$10,000 | $1,500–$5,500 |
| U.S. median (50 states) | $230–$715 | $6,000–$27,000 | $7,500–$14,000 | $3,000–$9,000 | $1,200–$5,000 |
How Massachusetts compares with all 50 states
- No state charges more for day programs. Partial hospitalization ($13,500 a month) and intensive outpatient care ($7,750 a month) both have the joint-highest typical price in the country, shared with Hawaii, New Jersey and New York.
- Residential treatment is 30% above the U.S. median, at $21,500 a month: a typical price topped only by California, Hawaii and New York (level with New Jersey).
- Detox and weekly counseling run high as well. Detox at $585 a day is 24% above the U.S. median, and standard outpatient care at $3,750 a month is 21% above the U.S. median.
- Crossing into Connecticut, New Hampshire, Rhode Island and Vermont lowers typical residential prices by up to $3,000 a month, while New York costs more.
| Level of care | Typical price | vs. U.S. median | Rank among 50 states | Cheapest neighbor |
|---|---|---|---|---|
| Medical detox | $585 a day | 24% above the U.S. median | Among the priciest: only 1 state costs more | Connecticut, New Hampshire, Rhode Island and Vermont (tied), $525 a day ($60 less) |
| Residential | $21,500 a month | 30% above the U.S. median | Among the priciest: only 3 states cost more | Connecticut, New Hampshire, Rhode Island and Vermont (tied), $18,500 a month ($3,000 less) |
| PHP | $13,500 a month | 26% above the U.S. median | The most expensive of all 50 states (tied with 3 others) | Connecticut, New Hampshire, Rhode Island and Vermont (tied), $11,500 a month ($2,000 less) |
| IOP | $7,750 a month | 29% above the U.S. median | The most expensive of all 50 states (tied with 3 others) | New Hampshire, Rhode Island and Vermont (tied), $6,500 a month ($1,250 less) |
| Standard outpatient | $3,750 a month | 21% above the U.S. median | Among the priciest: only 1 state costs more | New Hampshire, Rhode Island and Vermont (tied), $3,500 a month ($250 less) |
Typical price is the midpoint of each state’s range in the RehabSeekers.com Rehab Cost Survey, 2027 prices; equal prices are treated as ties. See rehab costs in all 50 states.
A lower out-of-state price can still cost you more: the 14-day detox protection comes from Massachusetts insurance law, and MassHealth and BSAS funding generally run through Massachusetts providers.
Section 35: court-ordered treatment
Under Chapter 123, Section 35, a police officer, physician, spouse, blood relative, guardian or court official can petition a court in writing to commit a person with a substance use disorder. A commitment can last up to 90 days at a facility the Department of Public Health designates. The statute does not say who pays.
How many people in Massachusetts need addiction treatment?
SAMHSA estimates that about 1,222,000 Massachusetts residents age 12 and older, or 19.91%, had a past-year substance use disorder (2023–2024 annual average). In 2024, 84.04% of those classified as needing substance use treatment did not receive it, about 1,012,000 people.
The Department of Public Health counts 1,667 Massachusetts residents who died of a drug overdose in 2024, of whom 1,336 (80%) died of opioid-involved overdoses; DPH treats these 2024 figures as preliminary. Its preliminary estimate for 2025 is 978 opioid-related overdose deaths, 27% fewer than in 2024.
Where can you find rehab in Massachusetts?
The RehabSeekers.com directory lists 370+ treatment centers in Massachusetts, from state-funded programs to private residential care. 79% offer outpatient treatment, 41% provide medication for addiction treatment and 92% accept MassHealth or other Medicaid.
Listings cluster in Boston, MA (55), Worcester, MA (29), Roxbury, MA (28) and Cambridge, MA (20). See every Massachusetts treatment center.
Source: RehabSeekers.com directory, as of October 2026, refreshed monthly. Shares total more than 100% because many centers offer several services.
How we collected Massachusetts rehab prices
Researchers commissioned by RehabSeekers.com called at least five addiction treatment centers in each state, in more than one city, and asked for the self-pay price of each level of care. For Massachusetts, every range on this page runs from the lowest to the highest figure a Massachusetts center gave.
- What was asked: prices for admission in early 2027, quoted directly by the centers.
- When: calls started in October 2026; final checks ran through January 2027.
- How totals work: detox multiplies the daily rate; other levels prorate the monthly rate by day.
- Coverage rules come from the General Laws, MassHealth, DPH and federal agencies, listed under Sources.
Massachusetts rehab cost FAQs
How much does rehab cost in Massachusetts without insurance?
Paying privately, expect roughly $50 to $1,170 a day in Massachusetts, depending on the level of care. Centers quoted RehabSeekers.com $8,000–$35,000 a month for residential treatment, $270–$900 a day for medical detox, $9,000–$18,000 a month for partial hospitalization, $3,500–$12,000 for intensive outpatient and $1,500–$6,000 for standard outpatient care. Ways to pay for rehab.
Read more: https://rehabseekers.com/resources/how-to-pay-for-rehab/
Does MassHealth pay for drug and alcohol rehab?
Yes. MassHealth, the state’s Medicaid program, covers substance use disorder care, and its federal waiver (approved through December 31, 2027) includes residential and inpatient treatment and medically supervised withdrawal management. Massachusetts has expanded Medicaid to low-income adults, and MassHealth members have paid no copays since April 1, 2024. Find rehabs that accept Medicaid.
Read more: https://rehabseekers.com/insurance/medicaid/
Do I need prior authorization to go to detox in Massachusetts?
Not on a state-regulated commercial plan, the state employee GIC plan or MassHealth. Since October 1, 2015, Massachusetts law has required these plans to cover acute treatment and clinical stabilization for up to 14 days combined, without preauthorization for either. (For MassHealth, the 14-day limit applies to clinical stabilization.) See medical detox programs.
Read more: https://rehabseekers.com/programs/detox-centers/medical-detox/
What is MBHP, and will it handle my treatment?
The Massachusetts Behavioral Health Partnership (MBHP) runs behavioral health care, including addiction treatment, for MassHealth members in a Primary Care ACO or the PCC Plan. If you are in an Accountable Care Partnership Plan or the WellSense Essential MCO, your plan’s own network handles it instead. Browse Massachusetts rehab centers.
Read more: https://rehabseekers.com/locations/us/massachusetts/
Is there free rehab in Massachusetts?
There is publicly funded treatment. The Bureau of Substance Addiction Services (BSAS), part of the Department of Public Health, lists access to treatment for the uninsured among its roles. Under Chapter 111E, Section 17, BSAS pays for care at contracted private facilities when a patient can’t afford it and has no other way to pay. Find state-funded programs.
Is rehab cheaper in Connecticut or New Hampshire than in Massachusetts?
For residential care, yes. Typical residential treatment costs $3,000 a month less in Connecticut, New Hampshire, Rhode Island and Vermont, and $2,500 a month more in New York than in Massachusetts. MassHealth and BSAS funding generally run through Massachusetts providers, so confirm coverage before choosing a program across the state line. See the Connecticut rehab cost guide.
Read more: https://rehabseekers.com/resources/rehab-cost-connecticut/
What is a Section 35 commitment?
Section 35 of Chapter 123 lets a police officer, physician, spouse, blood relative, guardian or court official petition a court to commit a person with a substance use disorder for treatment. A commitment can last up to 90 days at a facility the Department of Public Health designates. Learn about paying for treatment.
Read more: https://rehabseekers.com/resources/how-to-pay-for-rehab/
Will MassHealth work requirements affect people in rehab?
Beginning January 1, 2027, federal law requires some MassHealth adults to meet work or education requirements. MassHealth says people taking part in certain substance use disorder treatment and rehabilitation programs may be exempt, so report your treatment if you get a notice. See rehabs that accept Medicaid.
Read more: https://rehabseekers.com/insurance/medicaid/
Does insurance in Massachusetts cover recovery coaches?
Yes, for state-regulated plans, the GIC and MassHealth, from plans entered into, renewed or amended on or after January 1, 2026. Chapter 285 of the Acts of 2024 requires coverage of recovery coach services with no prior authorization and no deductible, coinsurance or copay. The same law has required $0 coverage of opioid overdose reversal drugs such as naloxone in plans entered into, renewed or amended on or after July 1, 2025. See rehab by insurance provider.
Read more: https://rehabseekers.com/insurance/
How to cite this data
Journalists, researchers and AI tools are welcome to use these figures with credit and a link to this page.
RehabSeekers.com. “How Much Does Rehab Cost in Massachusetts?” RehabSeekers.com Rehab Cost Survey, 2027 prices. https://rehabseekers.com/resources/rehab-cost-massachusetts/
Sources
Primary data
- RehabSeekers.com Rehab Cost Survey (2027 prices): treatment center prices collected by a team of researchers commissioned by RehabSeekers.com, with at least five centers per state. All prices, ranges, totals and state comparisons on this page.
Coverage rules and public health data
- MassHealth, Enrollment guide (revised June 2026)
- Medicaid.gov, Massachusetts state overview
- Mass.gov, 1115 MassHealth Demonstration Waiver
- MassHealth, DY29 Q4 annual SMI/SUD demonstration report (Part B)
- CMS, MassHealth demonstration special terms and conditions (August 2022)
- Chapter 258 of the Acts of 2014 (substance use disorder treatment coverage)
- MassHealth All Provider Bulletin 388: MassHealth and Health Safety Net copayments eliminated
- 130 CMR 520.037, MassHealth copayment exclusions (LII)
- Mass.gov, Apply for MassHealth, the Health Safety Net or the Children’s Medical Security Plan
- Mass.gov, New work and education requirements for MassHealth members
- Massachusetts DPH, Bureau of Substance Addiction Services
- Massachusetts General Laws c.111E §17 (payment for treatment)
- Massachusetts General Laws c.175 §47GG (acute treatment and clinical stabilization services)
- Massachusetts General Laws c.175 §47B (mental health parity)
- Chapter 285 of the Acts of 2024
- Mass.gov, M.G.L. c.175 §47AAA (opioid antagonist coverage)
- Massachusetts General Laws c.175 §47BBB (recovery coach services)
- Massachusetts General Laws c.123 §35 (commitment for substance use disorder)
- SAMHSA, 2023–2024 NSDUH State-Specific Tables: Massachusetts
- Massachusetts DPH, 2024 opioid-involved overdose report (March 2026)
- Mass.gov, “Massachusetts opioid-related overdose deaths fall under 1,000 for the first time in over a decade” (June 5, 2026)
- NIDA, Principles of Drug Addiction Treatment: A Research-Based Guide (3rd ed.)
This page is for information only and is not medical, legal or financial advice. Prices are estimates; your cost depends on your program, your coverage and your treatment plan.
