San Mateo County Health
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Brendan Scherer, MD
Program Director, Psychiatry Residency Training Program
Dr. Scherer graduated from Columbia University and completed his medical training at the University of Wisconsin School of Medicine. He completed his psychiatric residency at San Mateo County Behavioral Health and Recovery Services, where he also served as Co-Chief Resident. He is a Diplomate of the American Board of Psychiatry and Neurology. Since finishing his residency he has consistently worked at San Mateo Medical Center in the psychiatry emergency room.
Karen Li, MD
Assistant Director, Psychiatry Residency Training Program and Inpatient Psychiatrist at San Mateo Medical Center
Dr. Li graduated from Rice University and completed her medical training at Baylor College of Medicine. She completed both her adult psychiatric residency and child & adolescent fellowship at Stanford University, where she also served as Chief Fellow. She currently works for San Mateo Medical Center as an inpatient supervising psychiatrist. Her interests include hospital-based medicine, medical education, and healthcare informatics.
Jennie Yoo, MD
Associate Program Director
Dr. Yoo graduated from Brown University and completed her medical training at UCSF. She completed her psychiatric residency at Los Angeles County + USC, where she also served as Chief Resident of the Consultation-Liaison Services. She currently works for San Mateo Behavioral Health as an outpatient psychiatrist. Her interests include medical education, health services research, and collaborative care.
Melissa Garzón, MD, MPH
Assistant Program Director
Dr. Garzón completed her medical training at the Universidad Autónoma de Bucaramanga in Colombia. She completed psychiatric residency at the University of New Mexico, and then pursued child and adolescent psychiatry training at Stanford University. After completing her fellowship, she worked at an outpatient clinic in the community and then transitioned to San Mateo County. She currently works for San Mateo Behavioral Health as an Interface provider in the Pediatrics outpatient clinic offering medication management and psychotherapy for a wide variety of diagnoses.
Zane Adam Davis, MD
PGY4 Co-Chief resident
Zane Adam Davis was born and raised in Alaska, where he completed his undergraduate education at the University of Alaska Anchorage before graduating with an MD from the University of Washington School of Medicine. His path to psychiatry began in harm reduction, coordinating syringe access and HIV prevention services in rural Alaska, and later creating a free, multi-institutional HIV/HCV testing clinic serving people who use IV drugs.
Alfonso Parocua, MD
PGY4 Co-Chief resident
Alfonso Parocua is a graduate of the University of California, Riverside School of Medicine, where he also completed his undergraduate education. Raised in Los Angeles in a Mexican immigrant household, his experiences navigating healthcare alongside his family inspired a longstanding commitment to community psychiatry and caring for underserved populations.