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David A. Merrill, MD

Psychiatry, PsychiatryGeriatric Psychiatry
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1301 20th Street, Suite 150

1301 20th Street, Suite 150, Santa Monica, CA 90404

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Pacific Neuroscience Institute
1301 20th Street, Suite 150
Santa Monica, CA 90404
Medical Groups & Affiliations
Saint John’s Physician Partners
Speaks: English

About David A. Merrill

David A. Merrill, MD, PhD, is an adult and geriatric psychiatrist with double-board certification by the American Board of Psychiatry and Neurology. He is director of the Pacific Brain Health Center at Pacific Neuroscience Institute.

Dr. Merrill graduated Phi Beta Kappa completing a double major with Highest Honors in Psychology and High Honors in Molecular and Cellular Biology at the University of California, Berkeley. He continued his education in the National Institutes of Health funded Medical Scientist Training Program at the University of California, San Diego. He earned his PhD in Neurosciences at UCSD studying brain-derived neurotrophic factor (BDNF) amelioration of age-related cognitive deficits. His graduate studies led to the publication of a seminal work in the field of plasticity and aging in the journal “Nature Medicine.”

He completed his Adult Psychiatry Residency at the University of California, Los Angeles, which included a final year as program Chief Resident. He then completed a two-year combined clinical and research Geriatric Psychiatry Fellowship at UCLA before joining the faculty.

Dr. Merrill has worked for several decades with patients suffering the behavioral health sequelae of age-related neurodegenerative disorders such as Alzheimer’s disease and Parkinson’s disorder. His more recent clinical and research work have expanded to include patients with history of head trauma, tumor, and stroke. Through his early adoption of emerging clinical practice technologies, Dr. Merrill has developed a “precision holistic” approach that combines personalized genetic and biomarker data with the best evidenced-based treatments available for alleviating depression and cognitive dysfunction within the context of aging.
Medical School

University of California San Diego School of Medicine, San Diego, CA
2004

Internship

UCLA Medical Center, Los Angeles, CA
Psychiatry
2005

Neurosciences Graduate Program

University of California San Diego School of Medicine, San Diego, CA
2002

Psychiatry

UCLA Medical Center, Los Angeles, CA
2008

Geriatric Psychiatry

UCLA Medical Center, Los Angeles, CA
2010

Board Certifications

  • American Board of Psychiatry and Neurology, Psychiatry
  • American Board of Psychiatry and Neurology, Geriatric Psychiatry
Pacific Neuroscience Institute
1301 20th Street, Suite 150
Santa Monica, CA 90404
Medical Groups & Affiliations
Saint John’s Physician Partners
Affiliated Locations

Providence Saint John's Health Center
Saint John’s Health Center Cancer Clinic – Santa Monica