Clinicians affiliated with County Of San Mateo

310 clinicians on file with this group · most practice in San Francisco-Oakland-Fremont, CA · PAC ID 9032023171

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

136 clinicians affiliated with County Of San Mateo are in the 2024 Medicare Part B data, 116 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 · Psychiatry (22) · Diagnostic Radiology (18) · Internal Medicine (14) · Nurse Practitioner (13) · Otolaryngology (6) · Anesthesiology (5) · Hospitalist (5) · General Surgery (4) · Podiatry (4) · Vascular Surgery (4) · Nephrology (3) · Orthopedic Surgery (3) · Pathology (3) · Physician Assistant (3) · Cardiology (2) · Infectious Disease (2) · Neurology (2) · Ophthalmology (2) · Osteopathic Manipulative Medicine (2) · Physical Medicine and Rehabilitation (2) · Pulmonary Disease (2) · Rheumatology (2) · Cardiac Surgery (1) · Colorectal Surgery (Proctology) (1) · Family Practice (1) · Gastroenterology (1) · General Practice (1) · Medical Oncology (1) · Neurosurgery (1) · Obstetrics & Gynecology (1) · Plastic and Reconstructive Surgery (1) · Sports Medicine (1) · Surgical Oncology (1) · Thoracic Surgery (1) · Urology (1)

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

Clinicians affiliated with County Of San Mateo, 2024

Alphabetical by last name; 101–136 of 136.

NameSpecialtyCity
Sourav Ray, M.D.PathologyBurlingame, CA
Amelia K Read, M.D.OtolaryngologyBurlingame, CA
Blake M ReadColorectal Surgery (Proctology)Burlingame, CA
Irwin Reich, MDAnesthesiologyNew York, NY
Adam S Rubenstein, M.D.PsychiatryDaly City, CA
Alpa Sanghavi, M.D.Internal MedicineSan Mateo, CA
Josephus-Ian L Sanjorjo, MDNephrologyDaly City, CA
Hector L Santiesteban, MEDICAL DOCTORNephrologyDaly City, CA
Joshua S Sckolnick, M.D.OtolaryngologyBurlingame, CA
Dorra Sellami, MDDiagnostic RadiologyBurlingame, CA
Melissa J Selner, D.P.M.PodiatryBerkeley, CA
David S Shields, MDGastroenterologyStanford, CA
Hubert Shih, MDPlastic and Reconstructive SurgeryCupertino, CA
Michaela N Simoncini, M.D.General SurgeryBurlingame, CA
Kyaw Khine Soe, M.D.Internal MedicineSan Mateo, CA
Christina D Spandler, MDFamily PracticeDaly City, CA
Ramya Srinivasan, M.D.Diagnostic RadiologyFresno, CA
Carol A Tabak, MDThoracic SurgeryBurlingame, CA
Joan N TaylorNurse PractitionerSan Mateo, CA
Jonathan Tran, DODiagnostic RadiologySan Francisco, CA
Frank Trinh, M.D.Infectious DiseaseSilver Spring, MD
Humayun Tufail, MDHospitalistCastro Valley, CA
Lucius K Upshaw, PA-CPhysician AssistantSan Mateo, CA
Michael H Vagts, M.D.PsychiatrySan Mateo, CA
Sunye K Vuong, M.D.Internal MedicineSan Leandro, CA
Jennifer J Wan, MDDiagnostic RadiologySan Mateo, CA
Sarah M Wartman, MDVascular SurgeryBurlingame, CA
Lowell A Wetter, M.D.General SurgerySan Mateo, CA
Richard A Woo, D.P.M.PodiatryBurlingame, CA
Sandy W Wu, FNPNurse PractitionerPortland, OR
Mu Xu, M.D., PH.D.PsychiatryNew York, NY
Jennie Yoo, MDPsychiatrySan Mateo, CA
Samuel Young, M.D.Obstetrics & GynecologySan Francisco, CA
Elizabeth A ZambrickiOtolaryngologyBurlingame, CA
Mira Zein, MDPsychiatryStanford, CA
Hong Zheng, D.OCardiologySan 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