Skip Navigation
Geisinger
Phone: 800-275-6401
Text Size: A A A

To schedule an appointment

Physicians call:1.800.332.8901
Patients call:1.800.275.6401


This physician sees patients at the following locations:


Psychiatry Danville
100 N Academy Ave
Danville, PA 17822
Psychiatry Geisinger-Community Medical Center
1800 Mulberry St
Scranton, PA 18510
Psychiatry Baltimore Drive Wilkes Barre
675 Baltimore Drive
Wilkes Barre, PA 18702
Psychiatry Knapper Clinic 1 Danville
100 N Academy Ave
Danville, PA 17822
Psychiatry Woodbine Danville
115 Woodbine Lane
Danville, PA 17822
Psychology Danville
100 N Academy Ave
Danville, PA 17822
John Leslie Gerdes, PhD

Practicing Specialties:

  • Psychology
  • Behavioral Medicine
  • Sleep Medicine

Medical School:

  • Duke University School of Medicine 1973

Internship:

  • Veterans Affairs Medical Center - Durham, NC 1972

Clinical Interests:

Mental disorders in primary care, brief therapy, depression and anxiety disorders, somatoform disorder, behavioral medicine, obesity

Hospital Affiliations:

  • Geisinger Medical Center
  • Geisinger Rehabilitation Hospital
  • Geisinger Wyoming Valley Medical Center