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; 101–200 of 1,230.

NameSpecialtyCity
Elias H Botvinick, MDCardiologySan Francisco, CA
Riley Bove, M.D.NeurologySan Francisco, CA
Max Bowman, MDUrologySan Francisco, CA
Amarpali Brar, M.DNephrologySan Francisco, CA
Crystal M Bravate, PA-CPhysician AssistantSan Francisco, CA
Claudio A Bravo Carrillo, M.D.Advanced Heart Failure and Transplant CardiologySan Francisco, CA
Matthew C Breeggemann, M.D.NephrologySan Francisco, CA
Benjamin N Breyer, M.D.UrologySan Francisco, CA
Melissa S BriePsychologist, ClinicalSan Francisco, CA
Erica C Brode, MDFamily PracticeSan Francisco, CA
Frank Brodie, MDOphthalmologySan Francisco, CA
Max N BrondfieldGastroenterologySan Francisco, CA
Katherine S Brown, MDObstetrics & GynecologySan Francisco, CA
Madison Brown, ODOptometrySan Francisco, CA
Whitney K Brown, NPNurse PractitionerBerkeley, CA
Geoffrey C Buckle, M.D., M.P.H.Medical OncologySan Francisco, CA
Matthew Bucknor, M.D.Diagnostic RadiologySan Francisco, CA
Jonathan BudzikCritical Care (Intensivists)San Francisco, CA
Nhat M Bui, AGNPNurse PractitionerOakland, CA
Shane Burch, M.D.Orthopedic SurgerySan Francisco, CA
Christi ButlerUrologySan Francisco, CA
Nicholas A Butowski, MDNeurologySan Francisco, CA
Anna ButrymowiczOtolaryngologySan Francisco, CA
Lennox E ByerNeurologySan Francisco, CA
Maria E Byron, MDInternal MedicineSan Francisco, CA
Rachel BystritskyInfectious DiseaseSan Francisco, CA
Christopher A Carlos, M.D.Internal MedicineSan Francisco, CA
Peter R Carroll, M.D.UrologySan Francisco, CA
Ernesto Casillas, M.D.Pulmonary DiseaseSan Francisco, CA
Caroline M Castillo, M.D.Family PracticeSan Francisco, CA
Lisa L Catalli, NURSE PRACTITIONERNurse PractitionerSan Francisco, CA
Carlotta L Cavazos, PA-CPhysician AssistantSan Francisco, CA
Soonmee Cha, M.D.Diagnostic RadiologySan Francisco, CA
Ramani K Chaganti, M.D.RheumatologyNew York, NY
Stephanie Cham, M.D.Gynecological OncologySan Francisco, CA
Daphne Chan, O.D.OptometryBerkeley, CA
Jason Chan, M.D.Radiation OncologySan Francisco, CA
Matilda Chan, M.D., PH.D.OphthalmologySan Francisco, CA
Roshelle ChanFamily PracticeSacramento, CA
Selena Chan, D.O.PsychiatrySan Francisco, CA
Archana K Chandra, NPNurse PractitionerSan Francisco, CA
Swathy Chandrashekhar, M.D.NeurologySan Francisco, CA
Anne W Chang, M.D.Internal MedicineSan Francisco, CA
Edward Chang, MDNeurosurgerySan Francisco, CA
Erica Chang, NPNurse PractitionerOakland, CA
Jolie Chang, M.D.OtolaryngologySan Francisco, CA
Therese A Chan Tack, D.OInternal MedicineSan Francisco, CA
Jocelyn S ChapmanObstetrics & GynecologySan Francisco, CA
Meera ChappidiUrologySan Francisco, CA
Ajai Chari, M.D.Hematology-OncologyNew York, NY
Aman Chauhan, MDMedical OncologySan Francisco, CA
Karen Chee, M.D.Medical OncologySan Mateo, CA
Deborah C Chen, M.D.Internal MedicineBoston, MA
Lee-May Chen, MDObstetrics & GynecologySan Francisco, CA
Margaret ChenFamily PracticeSan Francisco, CA
Megan X ChenPhysician AssistantLos Alamitos, CA
Teresa Chen, M.D.NephrologySan Francisco, CA
Tiffany Y Chen, OD, MSOptometrySan Francisco, CA
Victor E Chen, MD, MPHRadiation OncologySan Francisco, CA
William C Chen, MDRadiation OncologySan Francisco, CA
Jeffrey ChengDermatologySan Francisco, CA
Michael L Cheng, MDHematology-OncologySan Francisco, CA
Mike K Cheng, M.D.Internal MedicineSan Francisco, CA
Stephanie W Cheng, M.D.Family PracticeMartinez, CA
Yew Song Cheng, MDOtolaryngologySan Francisco, CA
Sravana K Chennupati, MDRadiation OncologyPleasant Hill, CA
Kathryn Cherbini, NPNurse PractitionerOakland, CA
Hueylan Chern, M.D.Colorectal Surgery (Proctology)San Francisco, CA
Deepal ChhaganlalFamily PracticeWalnut Creek, CA
Sharon ChiangNeurologySan Francisco, CA
Amy J Chien, M.D.Hematology-OncologySan Francisco, CA
Cynthia T Chin, M.D.Diagnostic RadiologySan Francisco, CA
Russell E Ching, M.D.CardiologySan Francisco, CA
Laura S Chiu, MD, MPHGastroenterologySan Francisco, CA
Kerry C Cho, M.D.NephrologySan Francisco, CA
Raymond J Cho, M.D., PH.D.DermatologySan Francisco, CA
Hailey H Choi, M.D.Diagnostic RadiologyPalo Alto, CA
Moon Kyung Choi, MDEndocrinologySan Francisco, CA
Sung W Choi, M.D.Interventional CardiologySan Francisco, CA
Jonathan Chou, MD, PHDMedical OncologySan Francisco, CA
Shinn-Huey S ChouDiagnostic RadiologySan Francisco, CA
Felicia ChowNeurologySan Francisco, CA
Emily M Christensen, PAPhysician AssistantSan Francisco, CA
Chadwick W Christine, M.D.NeurologySan Francisco, CA
Adwoa Christy, MDObstetrics & GynecologySanta Cruz, CA
Carissa E Chu, M.D.UrologySan Francisisco, CA
Esther ChuFamily PracticeSan Francisco, CA
Janet N Chu, M.D., M.P.H.Internal MedicineSan Francisco, CA
Rishika ChughGastroenterologyBronx, NY
Alfred ChungHematologySan Francisco, CA
Christine S Chung, M.D.Radiation OncologyPleasant Hill, CA
Maggie ChungDiagnostic RadiologySan Francisco, CA
Sharon A Chung, MDRheumatologySan Francisco, CA
Taylor Chung, M.D.Diagnostic RadiologyOakland, CA
Aaron Clark, MD, PHDNeurosurgerySan Francisco, CA
Jennifer L Clarke, MD, MPHNeurosurgerySan Francisco, CA
Tyler S Cole, MDNeurosurgeryLos Angeles, CA
Melissa H Coleman, M.D.Thoracic SurgeryBoston, MA
Nicholas Colyvas, M.D.Orthopedic SurgeryLos Gatos, CA
Curt P Comstock, MDOrthopedic SurgerySan 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