Clinicians affiliated with Peninsula Pathologists Medical Group Inc

17 clinicians on file with this group · most practice in San Francisco-Oakland-Fremont, CA · PAC ID 2961485925

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

16 clinicians affiliated with Peninsula Pathologists Medical Group Inc are in the 2024 Medicare Part B data, 16 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 · Pathology (16)

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

Clinicians affiliated with Peninsula Pathologists Medical Group Inc, 2024

Alphabetical by last name; 16.

NameSpecialtyCity
Judy A Alonzo, MDPathologyBurlingame, CA
Sarah M Calkins, M.D.PathologySan Francisco, CA
Michael J Cascio, M.D.PathologyBurlingame, CA
Justin Cuff, MDPathologyBurlingame, CA
Elzbieta Jurka, M.D.PathologySan Mateo, CA
Jenny Kuo, MD MBAPathologySouth San Francisco, CA
Brenda W Ng, M.D.PathologyMountain View, CA
Thuy B Nguyen, M.D.PathologySan Francisco, CA
Grant Nybakken, M.D.PathologySouth San Francisco, CA
Natalie J Patel, MDPathologyMountain View, CA
Sourav Ray, M.D.PathologyBurlingame, CA
William M Rogers, M.D.PathologyStanford, CA
Sebastian J Sasu, M.D.PathologySouth San Francisco, CA
Kunwar Singh, M.D.PathologySan Francisco, CA
Thu P Tran, M.D.PathologyBelmont, CA
Ruth ZhangPathologySan Francisco, 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