Mark Giesecke, MD

Picture of Mark Giesecke


Board certified
American Board of Psychiatry and Neurology

Residency training
Hospital of the University of Pennsylvania, Philadelphia, PA

Medical school
University of Pennsylvania School of Medicine, Philadelphia, PA

Other degrees 
Bachelor of Arts in Biochemistry, Harvard College, Cambridge, MA


  • Campus Health Services, University of Pennsylvania, Philadelphia, PA
  • Campus Health Services, Northern Arizona University
  • Community Behavioral Health Services, Page, Arizona
  • The Guidance Center, Flagstaff, Arizona


American College Health Association

Medical areas of interest

  • College health services
  • Community mental health services
  • Treatment-resistant mood and anxiety disorders
  • Child and adolescent psychiatry

Hobbies and interests

  • Family
  • Travel
  • Skiing
  • Hiking
  • Swimming

Dr. Giesecke has been practicing child, adolescent, and adult psychiatry, and psychopharmacology since 1977. After 13 years on the University of Pennsylvania's medical faculty, he came to Flagstaff seeking adventure in 1990.

He has worked at The Guidance Center, Campus Health Services in Flagstaff, and at Community Behavioral Health Services in Page, Arizona. 

He loves working with patients and counselors in clinical teams that complement one another's skills, support each other in difficult situations, and are able to provide wonderful care as a team. 

His professional interests include:

  • ADHD
  • treatment-resistant mood and anxiety disorders
  • teaching and consulting with colleagues

Dr. Giesecke lives in Flagstaff with his wife Linda, who is a nurse.