Ophelia Yin, MD

Practice locations

Addresses where Ophelia Yin is enrolled with Medicare (CMS data updated October 2, 2026).

• 2330 Post StSan Francisco, CA 94115 (415) 476‑4029
• 400 Parnassus AveSan Francisco, CA 94143
• 505 Parnassus AveSan Francisco, CA 94143 (415) 476‑1000
• 505 Parnassus Ave, M1490San Francisco, CA 94143 (415) 472‑1000
• 521 Parnassus AveSan Francisco, CA 94143 (415) 476‑1000

Group practices

Medicare enrollment lists Ophelia Yin as a member of these groups (CMS data updated October 2, 2026).

• University of California San Francisco1,839 clinicians in the group
• UCSF Medical Group Business Services1,598 clinicians in the group

Specialties

• Obstetrics/Gynecologyprimary

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in San Francisco

Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.

• Jessica Kim, MD
• Jody E. Steinauer, MD
• Amy M. Huibonhoa, MD
• Poornima Kaul, MD
• Kathryn E. Fay, MD
• Leslie Chan, MD
• Julie J. Huh, MD
• Monica E. Kendrick, MD

All OB-GYNs in San Francisco →

Other clinicians in University of California San Francisco

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Yew Song Cheng, MD
• Ajai Chari, MD
• Nikhraj S. Brar, MD
• Patricia A. Loftus, MD
• Julie Zikherman, MD
• Albert Y. Liu, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
3. Medicare Care Compare — official Medicare tool to look up clinicians