Clinicians affiliated with Ucsf Medical Group Business Services

1,598 clinicians on file with this group · most practice in San Francisco-Oakland-Fremont, CA · PAC ID 3779497870

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

1,230 clinicians affiliated with Ucsf Medical Group Business Services are in the 2024 Medicare Part B data, 999 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 · Nurse Practitioner (137) · Diagnostic Radiology (106) · Internal Medicine (99) · Neurology (94) · Physician Assistant (56) · Cardiology (55) · Hematology-Oncology (55) · Family Practice (50) · Orthopedic Surgery (50) · Ophthalmology (41) · Neurosurgery (31) · Medical Oncology (30) · Gastroenterology (29) · Otolaryngology (29) · Nephrology (27) · Urology (27) · Obstetrics & Gynecology (26) · Optometry (26) · Dermatology (23) · General Surgery (23) · Endocrinology (19) · Pulmonary Disease (19) · Radiation Oncology (19) · Infectious Disease (17) · Psychiatry (15) · Rheumatology (14) · Hospitalist (12) · Geriatric Medicine (6) · Pediatric Medicine (6) · Physical Medicine and Rehabilitation (6) · Advanced Heart Failure and Transplant Cardiology (5) · Critical Care (Intensivists) (5) · Hematology (5) · Hospice and Palliative Care (5) · Interventional Radiology (5) · Psychologist, Clinical (5) · Vascular Surgery (5) · Allergy/ Immunology (4) · Interventional Pain Management (4) · Plastic and Reconstructive Surgery (4) · Anesthesiology (3) · Clinical Cardiac Electrophysiology (3) · Gynecological Oncology (3) · Interventional Cardiology (3) · Adult Congenital Heart Disease (2) · Audiologist (2) · Pain Management (2) · Pathology (2) · Physical Therapist in Private Practice (2) · Podiatry (2) · Sleep Medicine (2) · Thoracic Surgery (2) · Colorectal Surgery (Proctology) (1) · Emergency Medicine (1) · Hand Surgery (1) · Micrographic Dermatologic Surgery (1) · Nuclear Medicine (1) · Oral Surgery (Dentist only) (1) · Sports Medicine (1) · Undefined Physician type (1)

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

Clinicians affiliated with Ucsf Medical Group Business Services, 2024

Alphabetical by last name; 1,001–1,100 of 1,230.

NameSpecialtyCity
Neil P Shah, MDHematology-OncologyLos Angeles, CA
Nina Shah, M.D.Hematology-OncologySan Francisco, CA
Rajesh P Shah, M.D.Interventional RadiologyStanford, CA
Rupal J Shah, MDPulmonary DiseasePhiladelphia, PA
Vinil N Shah, M.D.Diagnostic RadiologySan Francisco, CA
Jing Shan, MD, PHDOphthalmologySan Francisco, CA
Jessica G Shantha, M.D.OphthalmologySan Francisco, CA
Lauren M ShapiroOrthopedic SurgerySan Francisco, CA
Farah J Shareef, MD, PHDOphthalmologySan Francisco, CA
Malti SharmaNurse PractitionerSan Francisco, CA
Jeffrey D Sharon, MDOtolaryngologySt. Louis, MO
Abigail Shatkin-Margolis, M.D.Obstetrics & GynecologySan Francisco, CA
Sharon Shaw, O.D.OptometrySan Francisco, CA
David W Shearer, MDOrthopedic SurgerySan Francisco, CA
Devin Shen, MDInternal MedicineSan Francisco, CA
Courtney B Sherman, M.D.GastroenterologySan Francisco, CA
Tina T Shih, M.D.NeurologySan Francisco, CA
Jaehoon Shin, M.D., PH.D.Interventional RadiologySan Francisco, CA
Alan W Shindel, M.D.UrologySan Francisco, CA
Kanade ShinkaiDermatologySan Francisco, CA
Katsuto Shinohara, M.D.UrologySan Francisco, CA
Prasad R Shirvalkar, MD, PHDNeurologyNew York, NY
Dolores M Shoback, MDEndocrinologySan Francisco, CA
Anthony Shum, MDPulmonary DiseaseSan Francisco, CA
Dorothy J Shum, M.D.Diagnostic RadiologySan Francisco, CA
Edward A Sickles, M.D.Diagnostic RadiologySan Francisco, CA
William F Simmons, MDInfectious DiseaseSan Francisco, CA
Marc A Simon, MDAdvanced Heart Failure and Transplant CardiologySan Francisco, CA
Jonathan P Singer, MDPulmonary DiseaseSan Francisco, CA
Aparajita Singh, MD, MPHGastroenterologySan Francisco, CA
Vineeta Singh, M.D.NeurologySan Francisco, CA
Eric J Small, MDHematology-OncologySan Francisco, CA
Catherine C Smith, M.D.Hematology-OncologySan Francisco, CA
Genevieve F Smith, ARNPNurse PractitionerFresno, CA
James F Smith, M.D.UrologySan Francisco, CA
Wade Smith, MDNeurologySan Francisco, CA
Noel E Sobing, RNNurse PractitionerSanta Monica, CA
Myat H Soe, M.D.Internal MedicineSan Francisco, CA
Theresia Soetjipto, MS,NPNurse PractitionerSan Francisco, CA
Jae Ho Sohn, MDDiagnostic RadiologySan Francisco, CA
Salil Soman, MDDiagnostic RadiologySan Francisco, CA
Krishan Soni, MD, MBACardiologySan Francisco, CA
Puneet Sood, MBBSNephrologySan Francisco, CA
Ian S Soriano, M.D.General SurgerySan Francisco, CA
Andrew Soroka, MDDiagnostic RadiologySan Francisco, CA
Margaret M Spini, MDFamily PracticeSan Francisco, CA
Michael A Spinner, M.D.Hematology-OncologyStanford, CA
Natasha Spottiswoode, MDHospitalistSan Francisco, CA
Amy M Squeglia, PA-CPhysician AssistantSan Francisco, CA
Anirudh Sreekrishnan, MDNeurologyStanford, CA
Shravan SridharDiagnostic RadiologySan Francisco, CA
Philip A Starr, MDNeurosurgerySan Francisco, CA
Brian D Steinmann, ODOptometryBerkeley, CA
Matthew J Stephen, PA-CPhysician AssistantLafayette, CA
Megan A Stephenson, PA-CPhysician AssistantSan Francisco, CA
Jay M Stewart, MDOphthalmologySan Francisco, CA
Eveline O Stock, M.D.CardiologySan Francisco, CA
Marshall L Stoller, M.D.UrologySan Francisco, CA
Loretta M Strachowski, MDDiagnostic RadiologySan Francisco, CA
Shelley L Stratford, FNP-BCNurse PractitionerPhiladelphia, PA
Katherine K Strelkoff, MDFamily PracticeSan Francisco, CA
Jenna L Strelo, FNPNurse PractitionerSan Francisco, CA
Catherine SuenNeurologySan Francisco, CA
Leo P Sugrue, M.D., PH.D.Diagnostic RadiologySan Francisco, CA
Catherine Sun, M.D.OphthalmologyMiami, FL
Derek Sun, MDDiagnostic RadiologySan Francisco, CA
Anne M Suskind, MDUrologySan Francisco, CA
Matthew Susko, M.D.Radiation OncologyOakland, CA
Megan Swanson, M.D.Obstetrics & GynecologySan Francisco, CA
Kevin Sweetwood, MDDiagnostic RadiologySan Francisco, CA
Shareef M Syed, M.D.General SurgerySaginaw, MI
Kresta Ria TabaranzaOptometryOakland, CA
Neal A TambeHospitalistSan Francisco, CA
Natalie L Tammen, PA-CPhysician AssistantOakland, CA
Lee A Tan, M.D.NeurosurgerySan Francisco, CA
Monica TangAllergy/ ImmunologySan Francisco, CA
Saul Tapia RuizFamily PracticeSalinas, CA
Leah J Tapscott, NPNurse PractitionerEmeryville, CA
Emily Tatel, NPNurse PractitionerBerkeley, CA
Bobby Tay, MDOrthopedic SurgerySan Francisco, CA
Andrew G Taylor, MD, PH.D.Diagnostic RadiologySan Francisco, CA
Blake E Taylor, MDNeurosurgeryGreenbrae, CA
Jennie W Taylor, MDNeurologySan Francisco, CA
Jonathan L Taylor, PA-CPhysician AssistantWashington, DC
Debora M Teixeira, PA-CPhysician AssistantSouth San Francisco, CA
Peter I Teng, M.D.CardiologySan Francisco, CA
Rensina Ten Holt, RNNurse PractitionerWalnut Creek, CA
Matthew Tenold, MDMedical OncologyFremont, CA
Jonathan P Terdiman, MDGastroenterologySan Francisco, CA
Mark A Terrelonge, MD, MPHNeurologySan Francisco, CA
Vithya Thambiaiyah, MDHospitalistNew Haven, CT
Philip V Theodosopoulos, M.D.NeurosurgerySan Francisco, CA
Alexander A Theologis, M.D.Orthopedic SurgerySan Francisco, CA
Diana Thiara, MDInternal MedicineRochelle, IL
Nicole C Thomason, MDHospitalistStanford, CA
Daniel U Thuillier, M.D.General SurgerySan Francisco, CA
Jeffrey A Tice, MDInternal MedicineSan Francisco, CA
Yolanda TinajeroObstetrics & GynecologySan Francisco, CA
Geoffrey H TisonCardiologyBaltimore, MD
Kirsten TolstrupCardiologySan 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

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