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
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; 1,101–1,200 of 1,230.
| Name | Specialty | City |
|---|---|---|
| Adrian Tomes | Family Practice | San Francisco, CA |
| Paul A Toogood, M.D. | Orthopedic Surgery | San Francisco, CA |
| Ana Marie Torres, M.S., NP | Nurse Practitioner | San Francisco, CA |
| Shawn L Torres, MD | Internal Medicine | San Francisco, CA |
| Brian D Toyota, MD | Neurosurgery | San Jose, CA |
| Janna Traeger, NP | Nurse Practitioner | San Francisco, CA |
| Jennifer L Tran, OD | Optometry | San Francisco, CA |
| Ngoc-Anh Tran, M.D. | Diagnostic Radiology | San Francisco, CA |
| Kimberly Trinh, AG-ACNP | Nurse Practitioner | Stanford, CA |
| Katy K Tsai, MD | Internal Medicine | San Francisco, CA |
| Lulu R Tsao | Critical Care (Intensivists) | San Francisco, CA |
| Zian H Tseng, M.D. | Cardiology | San Francisco, CA |
| Amy R Tso, M.D. | Neurology | San Francisco, CA |
| Joanna H Tu, M.D. | Dermatology | San Francisco, CA |
| Madina Tugizova | Neurology | San Francisco, CA |
| Sirisha K Tummala, MD | Hospitalist | San Mateo, CA |
| Michael A Turken, MD | Internal Medicine | Stanford, CA |
| Mary J Turocy | Family Practice | San Jose, CA |
| David T Tzou, M.D. | Urology | San Francisco, CA |
| Stefanie M Ueda, M.D. | Obstetrics & Gynecology | San Francisco, CA |
| John I Umekubo, MD | Internal Medicine | San Francisco, CA |
| Kudret I Usmani, MD | Orthopedic Surgery | San Francisco, CA |
| Jackeline P Vajta Gomez, MD | Hospitalist | San Francisco, CA |
| Liza Valdivia, M.D. | Infectious Disease | San Francisco, CA |
| Lawren A Vandevrede, MD, PHD | Neurology | Boston, MA |
| Michelle E Van Kuiken, M.D. | Urology | Los Angeles, CA |
| Katherine Vanloon, MD MPH | Medical Oncology | San Francisco, CA |
| Jennifer M Van Warmerdam, M.D. | Orthopedic Surgery | San Francisco, CA |
| Laalasa Varanasi, M.D. | Nephrology | San Francisco, CA |
| Vasanth Vedantham, M.D., PH.D. | Cardiology | San Francisco, CA |
| Ana I Velazquez Manana, MD MSC | Medical Oncology | San Francisco, CA |
| Maya Vella, MD | Diagnostic Radiology | San Francisco, CA |
| Aida A Venado Estrada, MD | Pulmonary Disease | San Francisco, CA |
| Javier Villanueva-Meyer | Diagnostic Radiology | San Francisco, CA |
| Jyotsna S Vincent, MD | Internal Medicine | Los Gatos, CA |
| Susan M Voglmaier, MD PHD | Psychiatry | San Francisco, CA |
| Monica Volz, N.P. | Nurse Practitioner | San Francisco, CA |
| Elham Vosoughi, M.D. | Hematology-Oncology | San Mateo, CA |
| Natalia Wagner | Nurse Practitioner | San Francisco, CA |
| Katherine C Wai, MD | Otolaryngology | Stanford, CA |
| Greer E Waldrop, MD | Neurology | New York City, NY |
| Evan Walker | Hematology-Oncology | San Francisco, CA |
| Judith M Walsh, MD | Internal Medicine | San Francisco, CA |
| Nathan R Walsh, PA-C | Physician Assistant | San Francisco, CA |
| Maria A Wamsley, M.D. | Internal Medicine | San Francisco, CA |
| Bruce M Wang, M.D. | Internal Medicine | San Francisco, CA |
| Connie W Wang | Gastroenterology | San Francisco, CA |
| Doris D Wang, M.D., PH.D | Neurosurgery | San Francisco, CA |
| Kang Wang, MD | Diagnostic Radiology | Stanford, CA |
| Qing Wang, M.D., PH.D. | Ophthalmology | San Francisco, CA |
| Victoria E Wang, M.D., PHD | Hematology-Oncology | San Francisco, CA |
| Yingbing Wang, MD | Diagnostic Radiology | San Francisco, CA |
| Zhen J Wang, MD | Diagnostic Radiology | San Francisco, CA |
| Derek T Ward, M.D. | Orthopedic Surgery | San Francisco, CA |
| Tracy A Ward, AGACNP-BC | Nurse Practitioner | San Francisco, CA |
| Cynthia Washburn | Physician Assistant | Los Angeles, CA |
| Samuel L Washington, MD, MAS | Urology | San Francisco, CA |
| Clifton Watt, M.D. | Cardiology | Berkeley, CA |
| Emmanuelle L Waubant, M.D. | Neurology | San Francisco, CA |
| Maggie W Waung, M.D., PH.D. | Neurology | San Francisco, CA |
| Elizabeth M Wayne, N.P. | Nurse Practitioner | San Francisco, CA |
| Emily M Webb, M.D. | Diagnostic Radiology | San Francisco, CA |
| Allison B Webber, M.D. | Nephrology | San Francisco, CA |
| Robert J Weber, MD, PHD | Internal Medicine | Palo Alto, CA |
| Andrew Weeks, MD, DDS | Oral Surgery (Dentist only) | San Francisco, CA |
| Maria L Wei, M.D., PH.D. | Dermatology | San Francisco, CA |
| Joshua Wendling, PA-C | Physician Assistant | Westchester, IL |
| Kelly L Wentworth, MD | Internal Medicine | San Francisco, CA |
| Christina Weyer Jamora, PHD | Psychologist, Clinical | San Francisco, CA |
| Adrian Whelan, MB BCH BAO | Nephrology | San Francisco, CA |
| Sara Whetstone, MD | Obstetrics & Gynecology | San Francisco, CA |
| Anna Wilcoxon | Nurse Practitioner | Palo Alto, CA |
| Katharine Willcoxon, NP | Nurse Practitioner | San Francisco, CA |
| Mia F Williams, MD | Internal Medicine | San Francisco, CA |
| David M Wilson, M.D. | Interventional Radiology | San Francisco, CA |
| Michael R Wilson, M.D. | Neurology | San Francisco, CA |
| Charles C Windon, M.D. | Neurology | Philadelphia, PA |
| Ethan A Winkler, M.D., PH.D. | Neurosurgery | San Francisco, CA |
| Bryan J Winn, M.D. | Ophthalmology | New York, NY |
| Nadine Wlasiuk, APRN,CPNP-PC, FNP-BC | Nurse Practitioner | San Francisco, CA |
| Linda L Wolbers, MD | Interventional Pain Management | Capitola, CA |
| Jeffrey L Wolf, M.D. | Hematology-Oncology | San Francisco, CA |
| Libby Wolf, ACNP-BC | Nurse Practitioner | Palo Alto, CA |
| Anthony C Wong, MD, PHD | Radiation Oncology | San Francisco, CA |
| Chelsea Wong, NP | Nurse Practitioner | San Francisco, CA |
| Cheston Wong, PA-C | Physician Assistant | San Francisco, CA |
| Nancy S Wong, RN, FNP | Nurse Practitioner | San Francisco, CA |
| Stacy N Wong, N.P. | Nurse Practitioner | San Francisco, CA |
| Stephanie E Wong, M.D. | Orthopedic Surgery | San Francisco, CA |
| Ong-Dee L Woods, NP, RN | Nurse Practitioner | Palo Alto, CA |
| Sean Woolen | Diagnostic Radiology | San Francisco, CA |
| Vanessa R Wormser, DO | Infectious Disease | San Francisco, CA |
| I-Kung Wu, M.D., PH.D. | Physical Medicine and Rehabilitation | San Francisco, CA |
| Rita Wu, MD | Family Practice | San Francisco, CA |
| Xin Wu, M.D. | Diagnostic Radiology | San Francisco, CA |
| Rosanna L Wustrack, M.D. | Orthopedic Surgery | Yonkers, NY |
| Leah C Wylie, DPT | Physical Therapist in Private Practice | San Francisco, CA |
| Mark C Xu, MD | Orthopedic Surgery | San Francisco, CA |
| Mary Jue Xu, MD | Otolaryngology | San Francisco, CA |
| Seiji Yamaguchi, M.D. | General Surgery | San 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