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; 1–100 of 1,230.

NameSpecialtyCity
Mohamed O Abdelgadir Adam, MDGeneral SurgeryPittsburgh, PA
Ahmed M Abdelhak, MB CHBNeurologySan Francisco, CA
Shoko E Abe, M.D.General SurgeryBerkeley, CA
Heather Abellana, NPNurse PractitionerSan Francisco, CA
Rhonald AbitonaNurse PractitionerSan Francisco, CA
Maria R Abraham, M.D.CardiologySan Francisco, CA
Theodore P Abraham, M.D.CardiologySan Francisco, CA
Donald I Abrams, MDMedical OncologySan Francisco, CA
Nisha Acharya, M.D.OphthalmologySan Francisco, CA
Deborah B Adey, M.D.NephrologySacramento, CA
Joshua S Adler, MDInternal MedicineSan Francisco, CA
Kent M Adler, M.D.Medical OncologySan Mateo, CA
Armin Afshar, M.D.OphthalmologyChicago, IL
Anushree Agarwal, M.D.CardiologyMilwaukee, WI
Rahul Aggarwal, M.D.Hematology-OncologySan Francisco, CA
Manish K Aghi, MD PHDNeurosurgerySan Francisco, CA
Eliana Z Agudelo, PAPhysician AssistantSan Francisco, CA
Waseem Ahmad, M.D.GastroenterologySan Diego, CA
Yousif Ahmad, MD, PHDCardiologySan Francisco, CA
Justin Ahn, M.D.UrologySan Francisco, CA
Weiyun Z Ai, MDMedical OncologySan Francisco, CA
Christine M Ainza, AGACNP-BCNurse PractitionerSan Francisco, CA
Stacy M Alabastro, AGACNP-BCNurse PractitionerNew York, NY
Nima Alan, M.D.NeurosurgerySan Francisco, CA
Michelle A Albert, MD MPHInternal MedicineBoston, MA
David A Alexander, MDDiagnostic RadiologyLynnwood, WA
Lauren A Alexander, RN, MSN, ANP-BCNurse PractitionerSan Ramon, CA
Alain Algazi, M.D.Hematology-OncologySan Francisco, CA
David E Allen, P.A.-CPhysician AssistantSan Francisco, CA
Gregory M Allen, M.D.Hematology-OncologyBaltimore, MD
Luai S Al Rabadi, M.D.Internal MedicineSan Francisco, CA
Sondos A Al Sad, M.D.Family PracticeDublin, OH
Edwin A Alvarez, M.D.Gynecological OncologySacramento, CA
Doaa Aly, MBBCHPediatric MedicineSan Francisco, CA
Erin H Amerson, M.D.DermatologySan Francisco, CA
Christopher P Ames, MDNeurosurgerySan Francisco, CA
Elizabeth D Anderson, NPNurse PractitionerRochester, MN
Noriko T Anderson, M.D., M. P. H.NeurologySan Francisco, CA
Charalambos I Andreadis, MDHematology-OncologyPhiladelphia, PA
Austin Angelidakis, NPNurse PractitionerSan Francisco, CA
Nicole A Appelle, M.D.Internal MedicineSan Francisco, CA
Mandar A ArasCardiologySan Francisco, CA
John Benjamin J Arevalo, MD, MBAHospice and Palliative CareSan Francisco, CA
Nicholas Arger, M.D.Internal MedicineSan Francisco, CA
Rima Arnaout, M.D.CardiologySan Francisco, CA
Shagun D Arora, MDInternal MedicineSan Francisco, CA
Tarun Arora, MDNeurosurgerySan Francisco, CA
Natalie Asborno, RN, AGACNPNurse PractitionerSan Francisco, CA
Nancy L Ascher, MDGeneral SurgerySan Francisco, CA
Liza H Ashbrook, M.D.NeurologyRedwood City, CA
Phoebe A Ashley, M.D.CardiologySan Francisco, CA
Judith F Ashouri-Sinha, M.D.RheumatologySan Francisco, CA
Elisabeth T Askin, M.D.Internal MedicineSan Francisco, CA
Siavash AssarOptometrySan Carlos, CA
Chloe Atreya, MD, PHDMedical OncologySan Francisco, CA
Arturo R Avila, PA-CPhysician AssistantFremont, CA
Patrick AvilaGastroenterologyBoston, MA
Muriel E Babey, M.D.Internal MedicineSan Francisco, CA
Brooklyn Bach, NPNurse PractitionerPortland, OR
Alan H Baik, M.D.CardiologySan Francisco, CA
Diana B Baker, M.D.Diagnostic RadiologySan Francisco, CA
Kripa Balaram, MDPsychiatrySan Francisco, CA
Thomas C Barber, MDOrthopedic SurgeryOakland, CA
Emil Barkovich, MDDiagnostic RadiologySan Francisco, CA
Matthew J Barkovich, M.D.Diagnostic RadiologySan Francisco, CA
Brigid S Barlesi, NPNurse PractitionerSan Francisco, CA
Robert B Baron, MD, MSInternal MedicineSan Francisco, CA
Jeffrey J Barry, MDOrthopedic SurgerySan Francisco, CA
Hemali Batra-Sharma, MDHematology-OncologySan Francisco, CA
David B Bayne, M.D.UrologySan Francisco, CA
Joseph Bayne, M.D.CardiologySan Francisco, CA
Leila Y BeachAdvanced Heart Failure and Transplant CardiologySan Francisco, CA
Alexis L Beatty, MDCardiologySan Francisco, CA
Kendall R BeckGastroenterologySan Francisco, CA
Monica A Becks, PAPhysician AssistantSan Francisco, CA
Spencer C Behr, MDDiagnostic RadiologySan Francisco, CA
Meron Bekele, NPNurse PractitionerSan Francisco, CA
Brieze K Bell, MDHospice and Palliative CareSan Francisco, CA
Karina M Berge, FNP-CNurse PractitionerSacramento, CA
Mitchel S Berger, MDNeurosurgerySan Francisco, CA
Sloane Berger-Chen, M.D.Obstetrics & GynecologyKailua, HI
Emily K Bergsland, MDMedical OncologySan Francisco, CA
Olivia Bernal, MDGeriatric MedicineBaltimore, MD
William A Berrigan, M.D.Sports MedicineSan Francisco, CA
Sigurd H Berven, MDOrthopedic SurgerySan Francisco, CA
Ramin E Beygui, MDThoracic SurgerySan Francisco, CA
Sudarshan Bhat, MDFamily PracticeRichmond, CA
Robert B Bhisitkul, MDOphthalmologySan Francisco, CA
Trese Biagini, N.P.Nurse PractitionerOakland, CA
Stefano A Bini, MDOrthopedic SurgeryOakland, CA
Adam BlaisdellGastroenterologyNew York, NY
Collin Blakely, MDMedical OncologySan Francisco, CA
Lewis S Blevins, MDEndocrinologySan Francisco, CA
Brian L Block, MDPulmonary DiseaseSan Francisco, CA
Alexander M Boaz, MDHospitalistSan Francisco, CA
Hala Borno, M.D.Internal MedicineSan Francisco, CA
Rohit Bose, M.D., PH.D.Medical OncologySan Francisco, CA
Bryn A Boslett, M.D.Infectious DiseaseSan Francisco, CA
Neal W Bost, M.D.Diagnostic RadiologySan Francisco, CA
Nina Botto, M.D.DermatologyEvanston, IL

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