About
David B. Gunn, MD, MFA earned his medical degree from the University of California, Davis in 2011 and served as class president throughout his four years there. He completed his Family Medicine residency at Mercy Medical Center in Redding, CA in 2014, earning the Resident Teacher of the Year award that same year. He holds board certification in Family Medicine from the American Board of Family Medicine, recertified in 2024, and achieved board certification in Addiction Medicine through the American Board of Preventive Medicine in 2025.
Before opening his practice, Dr. Gunn spent two years at Shasta Community Health Center, a Top 1% Federally Qualified Health Center, where he helped hundreds of patients recover from opioid and substance dependency. He then joined UCLA Health, where he spent nearly a decade seeing patients and serving as an associate professor of medicine. In that role, he directed the third-year clinical rotation in family medicine and developed a fourth-year advanced clinical elective. 0 longevity framework developed by Dr. Peter Attia. He is passionate about using GLP-1 therapies as a treatment for alcohol use disorder. Dr. Gunn speaks English and Spanish. He and his wife, Dr. Nazanin Gunn, have four children. Outside of medicine, he enjoys DIY home projects and cooking. She earned her B.A. from Mills College, followed by a technology career in Silicon Valley before pursuing medicine.
Education & Training
Undergraduate
B.S. Electronic Music, University of Oregon, 1999
Medical School
Doctorate of Medicine, University of California, Davis, 2011
Residency
Family Medicine Residency, Mercy Medical Center, Redding, CA, 2014
Additional Training
M.F.A. Electronic Music and Recording Media, Mills College, Oakland, CA, 2001; Post-Baccalaureate Pre-Medical Certificate, Mills College, Oakland, CA, 2006
Certifications
Languages
English, Spanish
Conditions Treated
Who is Dr. Gunn right for?
Dr. Gunn is a strong fit for adults seeking a primary care physician who handles both everyday health and complex chronic conditions. Patients managing addiction, alcohol use disorder, or substance dependency benefit from his specialized training and compassionate approach. He also serves patients focused on longevity, heart disease prevention, and metabolic health. Families can enroll together, making him a practical choice for parents and their children under 26. Patients who want direct phone and email access to their doctor will find his model well suited to them.
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Frequently Asked Questions
Dr. Gunn specializes in family medicine, addiction medicine, and preventive care. He treats substance use disorder, alcohol use disorder, hypertension, anxiety, depression, and metabolic conditions. He also focuses on heart disease prevention using advanced diagnostics like CT calcium scoring and lipid panel testing.
Yes. Dr. Gunn holds dual board certifications. He is board certified in Family Medicine through the American Board of Family Medicine, with recertification in 2024, and board certified in Addiction Medicine through the American Board of Preventive Medicine, earned in 2025.
Dr. Gunn earned his medical degree from the University of California, Davis in 2011. He completed his Family Medicine residency at Mercy Medical Center in Redding, California in 2014. He later served as an associate professor of medicine at UCLA Health for nearly a decade.
Yes. Addiction medicine is a core part of Dr. Gunn's practice. He holds board certification in Addiction Medicine and spent two years at a Federally Qualified Health Center helping patients recover from opioid and substance dependency. He offers Medication Assisted Treatment and addiction intervention support.
Yes. Dr. Gunn prescribes compounded GLP-1 therapies and peptides. He is particularly interested in using GLP-1 treatments for metabolic health and as a therapeutic approach for alcohol use disorder.
Dr. Gunn speaks both English and Spanish.
0 longevity framework, drawing on functional and preventive medicine principles. He uses tools like CT calcium scoring, the Galleri multi-cancer blood test, and advanced cholesterol panels to detect risk early and guide proactive treatment.
Yes. Dr. Gunn makes house calls within 15 miles of Westlake Village. Home visits are available for established patients, new patients, and post-hospital follow-ups. He also offers telemedicine visits throughout California.
Dr. Gunn sees patients of all ages through a family medicine lens. He works with individuals managing chronic conditions, patients seeking longevity-focused preventive care, families enrolling together under a membership, and patients needing addiction medicine support.
Doctor profile last updated March 21, 2026