Clinicians affiliated with San Francisco Unified Physicians Group, Inc

19 clinicians on file with this group · most practice in San Francisco-Oakland-Fremont, CA · PAC ID 8426310004

Affiliation snapshotOctober 2, 2026CMS Doctors and Clinicians file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

17 clinicians affiliated with San Francisco Unified Physicians Group, Inc are in the 2024 Medicare Part B data, 17 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.

Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report

Affiliated clinicians by specialty, 2024

All specialties · Internal Medicine (11) · Hospitalist (3) · Cardiology (1) · Nephrology (1) · Pediatric Medicine (1)

Specialty links go to the specialty in San Francisco-Oakland-Fremont, CA.

Clinicians affiliated with San Francisco Unified Physicians Group, Inc, 2024

Alphabetical by last name; 17.

NameSpecialtyCity
Alireza R Alavi, D.O.HospitalistSan Francisco, CA
Sidney H Allison, MDInternal MedicineSan Francisco, CA
Daniel Angeli, MDNephrologyDaly City, CA
Neelesh L Chudasama, M.D.CardiologyNew Hyde Park, NY
Darby A Clayson, MDHospitalistDaly City, CA
Raymond S Ha, MDInternal MedicineSan Francisco, CA
Nam Q Le, D.O.Internal MedicineMidway City, CA
Cynthia Lin, MDInternal MedicineSan Francisco, CA
Annie Loh, MDInternal MedicineSan Francisco, CA
Robert M Matz, M.D.Internal MedicineSan Francisco, CA
Hoang H Pham, MDInternal MedicineSan Jose, CA
Melania S Poonacha, MDPediatric MedicinePalo Alto, CA
Neda ShefaInternal MedicineSan Francisco, CA
Joy J Victor, M.D.HospitalistSan Francisco, CA
Jefferson WenInternal MedicineSan Carlos, CA
Hui M Yang, MDInternal MedicineDaly City, CA
Yixi Zhang, M.D.Internal MedicineSan Jose, CA

Practice locations

Listed practice locations in California.

Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.

Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations