About
Alex Zaphiris, MD, MS trained at UCSF School of Medicine and the UC-Berkeley Joint Medical Program. She holds triple board certification in Family Medicine, Integrative Medicine, and Addiction Medicine. She also completed a two-year Integrative Medicine Fellowship at the University of Arizona under Dr. Andrew Weil.
Dr. Zaphiris serves as Clinical Faculty at UCSF in the Department of Family and Community Medicine. She holds a staff appointment at California Pacific Medical Center in San Francisco. Her clinical interests span integrative approaches to autoimmune disease, GI disorders, hormonal issues, pediatric care, and addiction medicine. She developed Recovery Superstar, an online education and support program for people navigating addiction recovery. Away from medicine, she is married to mountain bike pioneer Gary Fisher and raises two young children in the Marin County community she serves.
Education & Training
Undergraduate
UC-Berkeley Joint Medical Program
Medical School
UCSF School of Medicine and UC-Berkeley Joint Medical Program
Fellowship
2-year Integrative Medicine Fellowship, University of Arizona (with Dr. Andrew Weil)
Certifications
Conditions Treated
Who is Dr. Zaphiris right for?
Dr. Zaphiris suits patients who want a single doctor capable of managing complex, overlapping health concerns. Adults dealing with autoimmune disease, hormonal imbalances, or GI disorders benefit from her integrative approach. She also treats patients navigating addiction recovery with evidence-based options. Families with newborns, children, or pregnant women fit naturally into her practice. Patients across Marin County who need house calls or same-day access will find her model responsive.
Similar Doctors Nearby
Dr. Radha LewisMD
chronic disease, hypertension, diabetes +5 more
Dr. Polly BaldwinMD
hypertension, chronic disease, preventive care conditions +1 more
Dr. Lauren BenceMD
decubitus ulcers, diabetic foot ulcers, surgical wounds +2 more
Frequently Asked Questions
Dr. Zaphiris specializes in a wide range of conditions. These include autoimmune disease, Mast Cell Activation Syndrome, GI disorders like SIBO, IBS, and GERD, thyroid and adrenal issues, and hormonal imbalances. She also manages addiction medicine using Suboxone, Sublocade, Probuphine, and Vivitrol. Her integrative training allows her to address root causes alongside conventional treatments.
Yes. Dr. Zaphiris holds triple board certification in Family Medicine, Integrative Medicine, and Addiction Medicine. This combination is rare and reflects her commitment to treating the full spectrum of health concerns a patient may face.
Dr. Zaphiris trained at UCSF School of Medicine and the UC-Berkeley Joint Medical Program. She then completed a two-year Integrative Medicine Fellowship at the University of Arizona under Dr. Andrew Weil. She currently serves as Clinical Faculty at UCSF in the Department of Family and Community Medicine.
Yes. Dr. Zaphiris sees patients across the full age range, including newborns, children, and adolescents. Families looking for a single physician who can care for multiple generations will find her practice well-suited.
Dr. Zaphiris offers several evidence-based addiction treatment options. These include Suboxone and buprenorphine therapy, the Probuphine implant, Sublocade injection, and Vivitrol naltrexone treatment. She also developed Recovery Superstar, an online program supporting patients through addiction recovery.
Yes. Dr. Zaphiris addresses a broad range of hormonal concerns, including thyroid and adrenal dysfunction, mood and hormone imbalances, and testosterone therapy. She also provides bio-identical hormone therapy for appropriate patients.
Yes. Dr. Zaphiris sees pregnant women as part of her patient population. Her family medicine background and integrative training make her well-suited for supporting patients through pregnancy-related health concerns.
Recovery Superstar is an online education and support program that Dr. Zaphiris developed for people navigating addiction recovery. It reflects her broader commitment to treating addiction as a medical condition that requires sustained support beyond the clinic visit.
Doctor profile last updated March 21, 2026