Learn more about San Mateo County Health.
The Health Executive Council includes San Mateo County Health’s chief, deputy chief, health officer and other division and team leaders.
Stay informed on upcoming events from San Mateo County Health.
Learn how San Mateo County Health’s Health Coverage Unit can help you apply for Medi-Cal, get enrollment assistance and find low-cost health care options.
Find key phone numbers, department contacts and media inquiries at San Mateo County Health.
Find health services, programs and resources we offer. Get connected to care, support and information that can help you and your family stay healthy.
Through our divisions’ work, we protect San Mateo County by reducing environmental health risks, preventing disease, and promoting the physical and mental well-being of our entire community.
Protection, support and advocacy for older adults and persons with disabilities.
Regulatory oversight of public and private emergency medical services.
Protects the health of everyone in San Mateo County.
Provides mental health and substance use services.
Environmental Health Services is the local authority on environmental health and safety policy and enforcement.
Provides integrated medical, dental, mental health and chemical dependency treatment to the incarcerated adult population.
Focuses on early intervention with San Mateo County parents and children who are low-income and have faced health inequities
Learn more about Health Officer and her work in San Mateo County
Provides accessible, high-quality care with a focus on prevention and community partnership.
We are a public hospital and clinic system that serves all San Mateo County residents by providing accessible, high-quality care with a focus on prevention and community partnership.
Get more information about how to create or log in to your MyChart.
We offer comprehensive preventative care, diagnostics and treatment for adults.
We provide comprehensive care for women's reproductive, hormonal and general health across all life stages.
We have expertise in specialized medical care.
We provide care for teeth and gum conditions.
We provide other services including rehabilitation, lab, imaging and therapy.
Available 24/7, we provide Immediate medical care for urgent, life-threatening conditions and injuries.
We provide full hospital care and comfort, including pain and symptom relief for serious illnesses.
San Mateo County Health partners with community members through boards, commissions and initiatives that guide programs, shape policies and promote equity
Behavioral Health & Recovery Services
Assistant Program Director
Associate Program Director
Assistant Director, Psychiatry Residency Training Program and Inpatient Psychiatrist at San Mateo Medical Center
Program Director, Psychiatry Residency Training Program
Chief Resident
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. She is also a member of the Central Youth Team focusing on kids struggling with severe mental illness. Her passion is working with people who struggle with OCD; her professional interests are anxiety disorders and medical education.
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.
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.
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. He has supplemented this previously with additional work at a state correctional facility, and as the acting medical director of dual diagnosis intensive outpatient treatment program, and currently works for San Mateo Behavioral Health as an outpatient psychiatrist. He recently became certified in Addiction Medicine. His interests include medical education, personality disorder treatment, addiction treatment, and burnout prevention.
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. Throughout his training, he has remained actively involved in free clinics, community outreach, and mentorship programs focused on expanding access to mental healthcare and supporting students from historically underrepresented backgrounds pursuing careers in medicine. Outside of medicine, he enjoys running, attending sporting events, and exploring local coffee shops, with the hope of one day opening a coffee shop of his own.
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. During residency at San Mateo County, his interests have centered on community and public psychiatry, addiction treatment, care for justice-involved patients, and psychoanalysis. Dr. Davis is involved in national leadership as an APA Foundation Public Psychiatry Fellow and participant on the APA Ethics Committee. He has completed two years of training in psychoanalytic psychotherapy at the San Francisco Center for Psychoanalysis and was selected for the American Psychoanalytic Association’s Teachers’ Academy, where he is developing didactic curricula on psychoanalytic theory. In addition, Dr. Davis serves on the PRITE editorial board as a fellow with the American College of Psychiatrists. During his chief year, he will complete a fellowship in public psychiatry at UCSF. Outside of medicine, he enjoys bicycling, film photography, live music, and journaling.