We list 3 hospital inpatient programs in New Hampshire, based on SAMHSA's FindTreatment.gov data, with the most in Canterbury (1), Lancaster (1), and Colebrook (1). Compare services, insurance accepted and accreditation, or call for free help choosing.
Hospital Inpatient: the basics
Hospital inpatient addiction treatment is the most intensive level of care. It provides 24-hour physician and nursing care in a hospital for people with severe withdrawal, dangerous medical problems or serious mental health crises linked to substance use. Stays are usually short, often a few days to about a week, followed by step-down treatment. Read the full guide →
2026 rankings
Ranked by the StartDrugRehab Score: accreditation, levels of care, patient ratings and payment options. Featured or claimed status never affects rank. How we rank
Best for: Residential treatmentCARF
Why it made our list: CARF accredited; offers residential care, PHP, IOP, and outpatient care; accepts private insurance, Medicaid, and self-pay.
Best for: Outpatient care with MAT
Why it made our list: Offers outpatient care and MAT; accepts private insurance, Medicaid, and Medicare.
Best for: Outpatient care with MAT
Why it made our list: Offers outpatient care and MAT; accepts private insurance, Medicaid, and Medicare.
Canterbury, NH 03224
CARF accredited
Levels of care
Payment accepted
Medicaid · Private insurance · Self-pay
“Get help” calls our free helpline, not this facility.
Colebrook, NH 03576
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +2 more
“Get help” calls our free helpline, not this facility.
Lancaster, NH 03584
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +2 more
“Get help” calls our free helpline, not this facility.
We list 3 hospital inpatient programs in New Hampshire, based on SAMHSA's FindTreatment.gov data (updated October 2026).
The most listings are in Canterbury (1), Lancaster (1), and Colebrook (1).
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.
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.
