Last updated: Jan 14, 2026

Matthew Garthwait

  • Gender: Male
  • Sole propriator: No
  • NPI: 1578929337

Matthew Garthwait

Addiction Counselor

He is located at 1245 Washington Road in Rye, NH 03870. Can help patients with the following: Cocaine Addiction, Grief, Meth Addiction, Online Therapy, Painkiller Addiction, Stress. His National Provider Identifier (NPI) number is 1578929337. Appointment can be made via the phone number (603) 969-7842.

Conditions treated

Matthew Garthwait, being an addiction counselor, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Matthew Garthwait.

  • Abuse of Prescription Drugs
  • Addiction Detox
  • Alcoholism
  • Anger Management
  • Anxiety
  • Benzodiazepine Addiction
  • Childhood Behavioral and Emotional Disorders
  • Cocaine Addiction
  • Depression
  • Drug Overdose
  • Gambling Addiction
  • Grief
  • Guilt and Shame
  • Isolation
  • Loss, Grief, and Bereavement
  • Mental Illness
  • Meth Addiction
  • Online Therapy
  • Opioid Addiction
  • Painkiller Addiction
  • Posttraumatic Stress Disorder (PTSD)
  • Relapse Prevention Planning
  • Relationship Issues
  • Self-Esteem
  • Self-Harming
  • Sexual Addiction
  • Stress
  • Substance Use Disorder
  • Trauma

Questions & Answers

Where can you meet with Matthew Garthwait?

Matthew Garthwait's office is located at 1245 Washington Road in Rye, NH 03870.

Does Matthew Garthwait accept insurance?

Unfortunately we don't have any information if Matthew Garthwait accepts insurance.

What conditions does Matthew Garthwait treat?

Matthew Garthwait provides treatment for Cocaine Addiction, Grief, Meth Addiction, Online Therapy, Painkiller Addiction, Stress. For the full list see this list.