P.O. Box 1070, Princeton, MA 01541
Located at P.O. Box 1070 in Princeton, Massachusetts, McLean Fernside is a nonprofit addiction treatment provider.
Its services include residential (inpatient) treatment, medication-assisted treatment (MAT), and co-occurring (dual diagnosis) mental health treatment. Clinicians use approaches such as anger management, brief intervention, cognitive behavioral therapy, contingency management/motivational incentives, and motivational interviewing. For opioid use disorder, the program uses buprenorphine and naltrexone. It also prescribes medication for alcohol use disorder.
McLean Fernside accepts cash or self-payment. Coverage depends on your specific plan, so verify benefits before admission.
The program accepts young adults, adults, and seniors. It offers specialized groups for clients with co-occurring mental and substance use disorders, clients with co-occurring pain and substance use disorders, and clients who have experienced trauma. Sign language services are available for deaf and hard-of-hearing clients.
McLean Fernside is accredited by The Joint Commission and licensed or certified by the state substance use treatment agency, state mental health department, and state department of health.
Support services include aftercare/continuing care, discharge planning, naloxone and overdose education, and outcome follow-up after discharge.
| Licensing & accreditation | State substance use treatment agency, State mental health department, State department of health, Hospital licensing authority, The Joint Commission |
|---|---|
| Ages accepted | Young Adults, Adults, Seniors |
| Language services | Sign language services for the deaf and hard of hearing |
| Operated by | Private non-profit organization |
P.O. Box 1070
Princeton, MA 01541
Facility's own contact978-464-2141 · massgeneralbrigham.org/en
McLean Fernside lists the following levels of care: inpatient / residential, medication-assisted treatment (MAT), and dual diagnosis. Services can change, so confirm current programs before admission.
According to SAMHSA data, McLean Fernside accepts cash or self-payment. Your exact coverage depends on your plan and network status. You can check your benefits with your insurer, or call (877) 847-2855 for a free benefits check.
McLean Fernside does not list detox services. If you need medically supervised withdrawal first, see detox programs or call (877) 847-2855 for help finding one.
Yes. McLean Fernside reports accreditation from The Joint Commission. Accreditation means the facility meets independent quality and safety standards.
McLean Fernside accepts young adults, adults, and seniors. Specialized groups include adult women, adult men, clients with co-occurring mental and substance use disorders, clients with co-occurring pain and substance use disorders, and clients who have experienced trauma.
Admission usually starts with a phone screening and insurance check, followed by an assessment. You can contact McLean Fernside directly at 978-464-2141. To compare McLean Fernside with other options and verify your insurance, call our admissions helpline at (877) 847-2855. Our helpline is not affiliated with McLean Fernside.
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Source: SAMHSA FindTreatment.gov, data updated October 2026. Facilities report this information to SAMHSA, and it can change, so confirm details before admission. A listing is not an endorsement. StartDrugRehab is not affiliated with McLean Fernside.
