GateHouse Treatment
491 Amherst Street, Nashua, NH 03063

Looking for intensive outpatient programs (iop) in Nashua? 7 of the city's 30 listed providers offer it.
An intensive outpatient program (IOP) typically means nine or more hours of treatment a week, spread over three to five days. Many people step down to IOP after residential care, or use it instead of residential care when home is stable.
491 Amherst Street, Nashua, NH 03063
440 Amherst Street, Nashua, NH 03063
21 Factory Street, Nashua, NH 03060
17 Factory Street, Nashua, NH 03060
45 High Street, Nashua, NH 03060
21 Factory Street, Nashua, NH 03060
17 Factory Street, Nashua, NH 03060
We list 7 facilities in Nashua, NH reporting intensive outpatient services. Call ahead to confirm availability and wait times.
Ask each facility whether they are licensed by New Hampshire, whether they accept your insurance or Medicaid, how soon they can admit you, and whether they offer medication for opioid or alcohol use disorder.
Last reviewed 2026-10-06. Facility details come from SAMHSA's FindTreatment.gov locator and facility-provided information. Confirm services, availability and payment directly with the facility.