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3 Best Dual Diagnosis Treatment Centers in Somerville, MA (2026)

We list 3 dual diagnosis treatment centers in Somerville, MA, based on SAMHSA's FindTreatment.gov data. Compare services, insurance accepted and accreditation, or call for free help choosing.

  • 3Treatment facilities
  • 0Offer detox
  • 3Inpatient / residential
  • 3Accept Medicaid

Dual Diagnosis: the basics

Dual diagnosis treatment is care for people who have both a substance use disorder and a mental health condition, such as depression, anxiety, PTSD or bipolar disorder. The best programs treat both conditions at the same time with one coordinated team, combining therapy, psychiatric care and, when needed, medication for addiction. Read the full guide →

2026 rankings

Top 3 dual diagnosis treatment centers in Somerville, MA

Ranked by the StartDrugRehab Score: accreditation, levels of care, patient ratings and payment options. Featured or claimed status never affects rank. How we rank

  1. CASPAR House I

    Somerville, MA

    6.7GoodStartDrugRehab Score 6.7 out of 10
    3.2Google5 reviews

    Best for: Residential treatmentCARF

    Why it made our list: CARF accredited; offers residential care and dual diagnosis care; accepts Medicaid and TRICARE.

    View details
  2. New Day

    Somerville, MA

    6.0GoodStartDrugRehab Score 6.0 out of 10

    Best for: Residential treatment

    Why it made our list: Offers residential care and dual diagnosis care; accepts private insurance, Medicaid, and Medicare.

    View details
  3. CASPAR House II

    Somerville, MA

    5.9FairStartDrugRehab Score 5.9 out of 10
    3.8Google10 reviews

    Best for: Residential treatment

    Why it made our list: Offers residential care and dual diagnosis care; accepts private insurance, Medicaid, and Medicare.

    View details

See the best rehab centers in Somerville, MA →

All dual diagnosis treatment centers in Somerville, MA

CASPAR House I

Somerville, MA 02143

6.7GoodStartDrugRehab Score 6.7 out of 10
3.2Google5 reviews

CARF accredited

Setting
In/Outpatient
Operator
Nonprofit
MAT
Not listed

Levels of care

  • Inpatient / Residential
  • Dual Diagnosis
  • Telehealth

Payment accepted

Medicaid · TRICARE · State-funded

“Get help” calls our free helpline, not this facility.

CASPAR House II

Somerville, MA 02143

5.9FairStartDrugRehab Score 5.9 out of 10
3.8Google10 reviews
Setting
In/Outpatient
Operator
Nonprofit
MAT
Not listed

Levels of care

  • Inpatient / Residential
  • Dual Diagnosis
  • Sober Living / Transitional Housing
  • +1 more

Payment accepted

Medicaid · Medicare · Private insurance +3 more

“Get help” calls our free helpline, not this facility.

New Day

Somerville, MA 02143

6.0GoodStartDrugRehab Score 6.0 out of 10
Setting
In/Outpatient
Operator
Nonprofit
MAT
Not listed

Levels of care

  • Inpatient / Residential
  • Dual Diagnosis
  • Sober Living / Transitional Housing
  • +1 more

Payment accepted

Medicaid · Medicare · Private insurance +3 more

“Get help” calls our free helpline, not this facility.

More options in Somerville, MA

Dual Diagnosis Treatment Centers in other Massachusetts cities

Frequently asked questions

How many dual diagnosis treatment centers are in Somerville, MA?

We list 3 dual diagnosis treatment centers in Somerville, MA, based on SAMHSA's FindTreatment.gov data (updated October 2026).

How do I choose the right program?

Look for state licensing and accreditation (The Joint Commission or CARF), the right level of care for your needs, evidence-based therapies, and insurance compatibility. Read our guide to choosing a rehab or call (833) 589-6933 to talk it through.

Will my insurance cover treatment?

Most private plans and Medicaid cover substance use treatment when it's medically necessary, but benefits vary by plan and network. Call (833) 589-6933 for a free, confidential benefits check.

Source: SAMHSA FindTreatment.gov, data updated October 2026. Listings are not endorsements.