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Keystone Hall – A Program of Harbor Care – Nashua, New Hampshire

615 Amherst Street, Nashua, New Hampshire, 03063

8.2 Out of 10 Insurance Accepted

Last Updated: June 26, 2026

Keystone Hall – A Program of Harbor Care – Nashua, New Hampshire

Insurance

Payment Options

    • Cash or self-payment
    • Medicaid
    • State-financed health insurance plan other than Medicaid
    • Private health insurance
    • Federal military insurance (e.g., TRICARE)

Addiction Resource Score

Scoring is assigned by a proprietary system which helps surface key metrics that determine quality. The 10-point scale factors in categories such as operations, customer satisfaction, and trust metrics.

8.2

Out of 10

Harbor Care, which is situated in Nashua, New Hampshire, provides a comprehensive array of services to individuals who are grappling with a variety of health and social obstacles. The center offers specialized services for children, adolescents, veterans, and individuals experiencing housing instability, as well as serving men and women aged 18 and older. Harbor Care addresses the comprehensive requirements of its patients by integrating healthcare with lodging and other social services. 

The facility offers a range of behavioral health services, such as crisis intervention, substance use disorder treatment, and outpatient mental health care. The center provides a diverse array of outpatient programs, including individual, group, and family therapy, in addition to its FDA-approved medication-assisted treatment (MAT) for addiction recovery. Cognitive behavioral therapy (CBT), dialectical behavioral therapy (DBT), and trauma-informed care are among the primary therapeutic approaches implemented. 

Harbor Care’s facilities encompass a Health and Wellness Center, which provides patients with access to primary care, preventive services, and behavioral health care. To guarantee a more comprehensive range of services, they are accessible through both in-person and telehealth options. The center’s comprehensive approach encompasses the provision of housing support, dental care, and services for individuals with HIV/AIDS, as well as the consideration of social determinants of health. 

Harbor Care’s dedication to patient-centered and high-quality care is evidenced by its accreditations from The Joint Commission, CARF, and NCQA. In addition, the organization is acknowledged for its participation in HRSA’s National Health Service Corps, which guarantees that all patients receive care, irrespective of their financial capabilities. 

Treatment Options

The facility offers multiple levels of care, such as:

    • Mentoring/peer support
    • Housing services
    • Discharge Planning
    • Employment counseling or training
    • Self-help groups
    • Naloxone and overdose education
    • Recovery coach

The center treats the following addictions and co-occurring disorders:

    • Clients with co-occurring mental and substance use disorders
    • Pregnant/postpartum women
    • Clients who have experienced trauma
    • Screening for tobacco use
    • Comprehensive substance use assessment
    • Outreach to persons in the community
    • Screening for mental disorders
    • Screening for substance use
    • Complete medical history/physical exam
    • Comprehensive mental health assessment

Treatment Modalities

  • Cognitive behavioral therapy
  • Substance use disorder counseling
  • Trauma-related counseling
  • Smoking/vaping/tobacco cessation counseling
  • Group counseling
  • Family counseling
  • Marital/couples counseling
  • 12-step facilitation
  • Intervention Services
  • Contingency management/motivational incentives
  • Motivational interviewing
  • Anger management
  • Matrix Model
  • Relapse prevention
  • Individual psychotherapy

Conditions Treated

  • Alcoholism
  • Mental health treatment
  • Substance use treatment
  • Co-occurring Disorders

Levels Of Care

  • Hospital inpatient treatment
  • Outpatient
  • Short-term residential
  • Long-term residential
  • Outpatient methadone/buprenorphine or naltrexone treatment
  • Regular outpatient treatment
  • Aftercare

License and Accreditation

  • Commission on Accreditation of Rehabilitation Facilities (CARF)

Ancillary Services

    • Case management service
    • Integrated primary care services
    • Suicide prevention services
    • Residential beds for client’s children
    • Acupuncture
    • Child care for client’s children
    • Early intervention for HIV
    • Mental health services
    • Social skills development
    • Transportation assistance

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Most private insurances accepted

Published on: June 26, 2026

Updated on: June 26, 2026