Dr. Hessenthaler is currently learning piano and Mandarin with his son, and his family enjoys opportunities for cycling and hiking throughout the Bay area. He and his wife have a thirst for international travel, and take every available opportunity to immerse their family into the beautiful cultures and landscapes of the world, from Ireland to China and beyond.
Learn more about
How We Can Help You
Watch our FAQ videos with answers to many of the questions we receive on our treatments and services, including TMS therapy, Esketamine nasal spray, and ECT treatments. All FDA-approved treatments for advanced depression.
Check FAQs
Consultation with one of our Treatment Access Specialists
Schedule a visit with a clinician at one of our convenient locations. Contact us and our Patient Access Team will contact you within one business day to review your options and schedule an appointment.
Find a psychiatrist nearest to you
Our state-of-the-art mental health clinics are open during hours that accommodate your schedule and are conveniently located throughout Southern and Northern California, Texas, Georgia, and Washington.
Mark Hessenthaler, MD
Dr. Hessenthaler is a Board-Certified Psychiatrist specializing in child through adult care, with a clinical focus on depression, anxiety, ADHD and PTSD.
We are here to help during COVID-19. We have video appointments available now.
To book an appointment call (844) 867-8444 or click here for help.
More about Mark Hessenthaler, MD
Dr. Mark Hessenthaler’s array of experience includes psychopharmacology, Mindfulness Therapy and Cognitive Behavioral Therapy for insomnia and nightmares. He enjoys collaborating with his patients to find the optimal modalities of treatment to assist in their recovery.
Dr. Hessenthaler first started utilizing Transcranial Magnetic Stimulation (TMS) while working for the Department of Defense. He was treating Active Duty Members with Major Depression refractory to antidepressant medications. Intrigued by the positive response his patients were having to TMS, he knew it was a treatment he wanted to incorporate further, as more research explored clinical disorders such as PTSD and OCD.
Personal Interests
Education & Experience
Dr. Hessenthaler completed his Bachelor of Science in Social Sciences from Michigan State University. He received his Doctor of Medicine from Central American Health Sciences University Belize. He found his clinical rotations, which included home visits, gave him exposure to a variety of disease as well as the concomitant humanity he witnessed and simultaneously nurtured. He continued to uncover his compassion for those in need.
He completed his residency at the Medical College of Georgia-Augusta, where he also completed a Child and Adolescent Psychiatry Fellowship. In later years, he became an Associate Professor at the Medical College of Georgia and was able to teach and mentor medical students in psychiatry.
After graduation, Dr. Hessenthaler worked in community mental health settings, and with the Department of Defense. He provided services for a population array including Active Duty personnel, military family members, and poverty-stricken patients. He has treated a diverse range of disorders, including depression, schizophrenia, PTSD, OCD and Polysubstance Abuse.
Certifications & Memberships
- Board Certified, American Board of Psychiatry and Neurology
- Office-Based Treatment of Opiate Use Disorders
- NeuroStar University Training Program for TMS Therapy
