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4 Best Partial Hospitalization Programs in Nashua, NH (2026)

We list 4 partial hospitalization programs in Nashua, NH, based on SAMHSA's FindTreatment.gov data. Compare services, insurance accepted and accreditation, or call for free help choosing.

  • 4Treatment facilities
  • 2Offer detox
  • 0Inpatient / residential
  • 4Accept Medicaid

Partial Hospitalization (PHP): the basics

A partial hospitalization program (PHP) is a highly structured form of addiction treatment where you attend therapy and medical care most of the day, usually five days a week, then go home at night. It typically involves about 20 or more hours of treatment each week and often lasts a few weeks before stepping down. Read the full guide →

2026 rankings

Top 4 partial hospitalization programs in Nashua, NH

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. Integrate

    Nashua, NH

    8.3ExcellentStartDrugRehab Score 8.3 out of 10

    Best for: Supervised detoxJoint Commission

    Why it made our list: Joint Commission accredited; offers detox, PHP, IOP, and outpatient care; accepts private insurance, Medicaid, and TRICARE.

    View details
  2. Process Recovery Center

    Nashua, NH

    8.0ExcellentStartDrugRehab Score 8.0 out of 10

    Best for: Intensive outpatient careJoint Commission

    Why it made our list: Joint Commission accredited; offers PHP, IOP, outpatient care, and MAT; accepts private insurance, Medicaid, and TRICARE.

    View details
  3. Harbor Care – Harbor Care Health and Wellness Center

    Nashua, NH

    7.8Very goodStartDrugRehab Score 7.8 out of 10
    4.5Google212 reviews

    Best for: Supervised detoxNCQA

    Why it made our list: NCQA accredited; offers detox, PHP, IOP, and outpatient care; accepts private insurance, Medicaid, and Medicare.

    View details
  4. GateHouse Treatment

    Nashua, NH

    7.5Very goodStartDrugRehab Score 7.5 out of 10
    4.2Google86 reviews

    Best for: Intensive outpatient careJoint Commission

    Why it made our list: Joint Commission accredited; offers PHP, IOP, and dual diagnosis care; accepts private insurance, Medicaid, and TRICARE.

    View details

See the best rehab centers in Nashua, NH →

All partial hospitalization programs in Nashua, NH

Integrate

Nashua, NH 03060

8.3ExcellentStartDrugRehab Score 8.3 out of 10

Joint Commission accredited

Setting
In/Outpatient
Operator
Private
MAT
Offered

Levels of care

  • Detox
  • Partial Hospitalization
  • Intensive Outpatient
  • +4 more

Payment accepted

Medicaid · Private insurance · TRICARE +1 more

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

Process Recovery Center

Nashua, NH 03060

8.0ExcellentStartDrugRehab Score 8.0 out of 10

Joint Commission accredited

Setting
Outpatient
Operator
Private
MAT
Offered

Levels of care

  • Partial Hospitalization
  • Intensive Outpatient
  • Outpatient
  • +3 more

Payment accepted

Medicaid · Private insurance · TRICARE +1 more

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

GateHouse Treatment

Nashua, NH 03063

7.5Very goodStartDrugRehab Score 7.5 out of 10
4.2Google86 reviews

Joint Commission accredited

Setting
Outpatient
Operator
Private
MAT
Not listed

Levels of care

  • Partial Hospitalization
  • Intensive Outpatient
  • Dual Diagnosis
  • +1 more

Payment accepted

Medicaid · Private insurance · TRICARE +1 more

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

7.8Very goodStartDrugRehab Score 7.8 out of 10
4.5Google212 reviews

NCQA accredited

Setting
In/Outpatient
Operator
Nonprofit
MAT
Offered

Levels of care

  • Detox
  • Partial Hospitalization
  • Intensive Outpatient
  • +4 more

Payment accepted

Medicaid · Medicare · Private insurance +4 more

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

More options in Nashua, NH

Partial Hospitalization Programs in other New Hampshire cities

Frequently asked questions

How many partial hospitalization programs are in Nashua, NH?

We list 4 partial hospitalization programs in Nashua, NH, 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.