Robert Trimmer, MD

Currently Seeing Patients at:

El Dorado Hills

Call 844.867.8444 to book an appointment

Schedule Now

About Robert Trimmer, MD

Dr. Trimmer is a Board Certified psychiatrist whose training and expertise includes the pharmacologic management of mood disorders, anxiety disorders, and ADHD, with a special emphasis on crisis intervention.

Dr. Trimmer is rewarded by partnering with patients, helping them understand their complex symptoms, and implementing treatment plans that support them in leading healthy and balanced lives.

personal interests

In his spare time, Dr. Trimmer enjoys playing the piano, running along the American River Trail, and spending time outdoors.

Certifications & Memberships

American Psychiatric Association


American Board of Psychiatry and Neurology

Board Certified

education & experience

Dr. Trimmer was born and raised in Northern California, and attended medical school at Loma Linda University. He completed his adult psychiatry residency at the UCSF Fresno Medical Education and Research Center, where he served as Co-Chief Resident.

Dr. Trimmer has worked for Fresno County, providing inpatient care to patients with severe and acute psychiatric conditions. He also served inpatient and outpatient populations at a psychiatry group practice in the Sacramento Valley for nine years.

Dr. Trimmer began offering TMS to his patients in 2013, as an alternative treatment for depression. He joined TMS Health Solutions in 2016 and focuses on treating patients who are 18 and older.


TMS Health Solutions has helped thousands of patients get relief from depression. Read their stories and discover the benefits of TMS therapy.