Katherine S. Johnson - Handel Behavioral Health
Katherine S. Johnson Headshot
Counselors & Appointments

Katherine S. Johnson, AGNP, PMHNP

For Telehealth/Online & Amherst Appointments

(413) 287-7168 View Availability Join Virtual Waiting Room

Counseling Style

Katherine brings a humanistic approach to her practice. She uses her background in primary care medicine as well as psychiatry to provide compassionate and client-focused care, and to meet the needs of each patient as individuals. Katherine’s clinical experience is broad and includes adult medicine, geriatrics, community health, and college health. Katherine provides medication therapy using evidence-based practice, which include micro-dosing strategies for care tailored to individual needs.


Katherine is a double board-certified Nurse Practitioner, which include Psychiatric Mental Health Nurse Practitioner and Adult-Geriatric specialties. She received her AGNP at University of Massachusetts Worcester Medical School, and her PMHNP at Rivier University of Nashua, NH. Katherine speaks fluent Spanish and competent Italian.


  • Bipolar Disorder
  • Depression
  • Substance Related/Addictive Disorders
  • Attention-deficit Hyperactivity Disorders (ADHD/ADD)
  • Schizophrenia Spectrum and Psychotic Disorders
  • Obsessive Compulsive Disorder (OCD)
  • Anxiety/Panic/Phobias

Katherine is available to meet in person at the Amherst site or remote.

Authored Articles & Interviews

close up of Katherine Johnson with a soft blurry brown blue texture of mushroom gills

Medication Therapy in Amherst, MA: Interview with Katherine S. Johnson, AGNP, PMHNP

November 10, 2022