McLean Hospital - Princeton, also known as Fernside, is a residential addiction treatment program located in Princeton, Massachusetts. Affiliated with Harvard Medical School, it offers a 30-day intensive program focusing on relapse prevention for substance use disorders alongside co-occurring mental health conditions.
McLean Hospital is accredited by the Joint Commission. In 2009, astronaut Buzz Aldrin received the McLean Award for his advocacy about psychiatric illness. This recognition underscores the hospital's commitment to excellence and awareness in mental health and addiction treatment.
- Specializes in treating individuals who have relapsed or are at high risk of relapse.
- Offers extensive health education, including yoga, fitness plans, and nutrition education.
- Incorporates evidence-based therapies such as CBT, DBT, MBCT, and ACT.
- Provides expressive art and music therapies for holistic recovery.
Fernside treats substance use disorders and co-occurring conditions like depression, anxiety, OCD, and PTSD. The program benefits individuals who need intensive support for relapse prevention and mental health management.
- 16 Conditions Treated
- LGBTQ+ Allied
- Insurance Accepted
- 5 Levels of Care
- Speaks English
- 29 Therapies & Programs
- Multiple Locations
Conditions and Issues Treated
Substance Abuse + Addiction Treatment
Recovering from any type of substance abuse is a long process, but it is one of the most worthwhile and life changing events any addicted person will ever go through. This is a combination of detoxing the body, rehabilitation, and recovery. There is also therapy, aftercare, and support during the entire process.
While substance abuse can take over a person’s life, it is something that can also be overcame by professionals at McLean Fernside - Princeton in Princeton, MA
Opioid + Opiate Addiction Treatment at McLean Fernside - Princeton
With so many people struggling with opioid addiction, opioid addiction treatment is more critical than ever before. Patients often take opioids when they face a painful injury. When someone begins taking opioids such as Vicodin or oxycodone differently than how the medications were prescribed, this points to opioid addiction.
Stopping these types of medications abruptly is not safe. That is where opioid addiction treatment at McLean Fernside - Princeton in Princeton, MA comes in. Most opioid addiction treatment facilities start with detox and move to rehabilitation services while providing medical support during the process.
Getting over an opioid addiction takes time and determination, but with the right support and resources, those struggling with opioid addiction can recover and move forward with their lives.
Dual-Diagnosis
An underlying cause often brings about addiction. Mental disorders can lie at the center, such as schizophrenia, bipolar disorder or anxiety disorder. As well as the cause of the addiction, a dual diagnosis by McLean Fernside - Princeton helps to treat the addiction. This ensures that after treatment is complete, the patient will not fall back on old practices.
Levels of Care
This center offers a variety of custom treatment tailored to individual recovery. Currently available are Aftercare Support, Detox, Drug Rehab, Dual-Diagnosis, Residential, with additional therapies available as listed below.
Detox is a drug rehab process that begins before the actual drug rehab treatment. It is used to remove any residual toxins left in your body (and brain) after using drugs, and it is used with the intent to help you or your loved one complete drug rehab.
If you are addicted to opiates like heroin, methadone, or prescription painkillers, you will detox with medication. This is because the withdrawal symptoms are often more intense and uncomfortable for an opiate addict than for someone who has abused or is dependent on other drugs, like cocaine.
Residential treatment programs are those that offer housing and meals in addition to substance abuse treatment. Rehab facilities that offer residential treatment allow patients to focus solely on recovery, in an environment totally separate from their lives. Some rehab centers specialize in short-term residential treatment (a few days to a week or two), while others solely provide treatment on a long-term basis (several weeks to months). Some offer both, and tailor treatment to the patient’s individual requirements.
Therapies & Programs
Families are not always as supportive as they could be, but by opting for family therapy, many recovering addicts are able to understand their addiction and get the support they need to get sober. These therapy sessions at McLean Fernside - Princeton in Princeton, MA involve all members of the family who play a role in the recovering person’s daily life. They work together to overcome past issues, avoid triggers, and remain strong and supportive of each other.
In group therapy, the patient undergoes sessions with other patients dealing with similar problems under the guidance of a trained counselor. The members of the group interact with each other and talk freely about their issues. The recovery of members of the group from the problems that they face gives the patients confidence that they can also overcome their addiction.
Group therapy at McLean Fernside - Princeton reduces the feeling of loneliness and improves the coping skills of the patients. Group therapy provides patients with continuous feedback from other members. The group dynamics ensure that members start having some structure and routine in their lives.
Dialectical behavior therapy (DBT) is a method of individual and/or group counseling that focuses on acceptance and change. DBT can be very effective in developing coping strategies for negative emotions.
Cognitive behavioral therapy (CBT) is a way of addressing concerns through talking. Talking through issues can identify sources of discomfort or unhealthy thoughts. CBT is a healthy way McLean Fernside - Princeton addresses some behaviors which may be bringing unintended consequences in a persons life.
The 12 step program is the treatment method used by Alcoholics Anonymous, but it can apply to any type of addiction. It outlines the 12 steps addicts should take on the path to recovery. Steps include admitting you have a problem and making the decision to turn your life around. A belief in a higher power and making amends to others are also part of the program.
Payment Options
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Location & Contact

162 Mountain Road
Princeton, MA 01541
Phone Number
(978) 226-1735
Additional Locations
- McLean Hospital - Belmont in Belmont, MA
- McLean - Ambulatory Treatment Center at Naukeag in Ashburnham, MA
- McLean Hospital - Belmont in Belmont, MA
- McLean - SouthEast in Middleboro, MA
- McLean - Waverley Place in Belmont, MA
Learn More About McLean
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Princeton, Massachusetts Addiction and Treatment
Massachusetts has one of the highest rates of drug abuse in the country. More than half a million Massachusetts residents abuse alcohol while more than 1.5 million use illegal drugs each year. This drug and alcohol usage is the cause of over 8% of all deaths in the state. In 2017, Massachusetts ranked in the top 10 of the states with the highest opioid overdose rates.
Treatment in Nearby Cities
- Woburn, MA (37.3 mi.)
- Everett, MA (42.6 mi.)
- Roxbury, MA (41.9 mi.)
- Revere, MA (44.7 mi.)
- Plymouth, MA (71.6 mi.)
Centers near McLean Fernside - Princeton
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