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; 901–1,000 of 1,230.

NameSpecialtyCity
Julie Ramseier, MDDermatologySan Francisco, CA
Lora M Rancourt, PA-CPhysician AssistantWalnut Creek, CA
Madhu N Rao, M.D.EndocrinologySan Francisco, CA
Vikram R Rao, MD, PHDNeurologySan Francisco, CA
Daniel Raper, MBBSNeurosurgerySan Francisco, CA
Nailyn RasoolOphthalmologySan Francisco, CA
Andreas Rauschecker, M.D., PH.D.Diagnostic RadiologySan Francisco, CA
Kimberly M Ray, M.D.Diagnostic RadiologyOrange, CA
Rita F Redberg, MDCardiologySan Francisco, CA
Brooke I Reid, AU.D.AudiologistBerkeley, CA
James L Rembert, MDRadiation OncologyBerkeley, CA
Justin L Ren, MDFamily PracticeSan Francisco, CA
Daniel Rengstorff, M.D.GastroenterologySan Mateo, CA
Erika Mae Reyes, O.D.OptometrySan Francisco, CA
Megan B Richie, MDNeurologySan Francisco, CA
Eric R Ricker, ODOptometrySaint Louis, MO
Marie RinaldiNurse PractitionerStanford, CA
Jessica Ristau, M.D.Internal MedicineSan Francisco, CA
Tae H Ro, M.D.Diagnostic RadiologySan Francisco, CA
Mack Roach, M.D.Radiation OncologySan Francisco, CA
John P Roberts, MDGeneral SurgerySan Francisco, CA
Jade V Robinson, NPNurse PractitionerStanford, CA
Eugenia Rodriguez, PAPhysician AssistantSan Francisco, CA
Stephanie Rodriguez-WangPhysician AssistantSan Diego, CA
Stanley J Rogers, MDGeneral SurgerySan Francisco, CA
Julio C Rojas-Martinez, M.D., PH.D.NeurologySan Francisco, CA
Mary Rolfes, STUDENTNeurologySan Francisco, CA
Mercedes K Rose, NPNurse PractitionerSan Francisco, CA
Andrea C Roselman, PA-CPhysician AssistantSan Francisco, CA
Clark A Rosen, MDOtolaryngologySan Francisco, CA
Howard J Rosen, MDNeurologySan Francisco, CA
Jennifer M Rosenbluth, MD, PHDMedical OncologyBoston, MA
Nicole L Rosendale, M.D.NeurologySan Francisco, CA
Laura K Rosow, M.D.NeurologySan Francisco, CA
Tiffany P Ross, PA-CPhysician AssistantSan Francisco, CA
Lisa Rotenstein, MDInternal MedicineBoston, MA
Tami S RowenObstetrics & GynecologySan Francisco, CA
James L Rubenstein, MDMedical OncologySan Francisco, CA
Jessica B RubinGastroenterologySan Francisco, CA
Tessa R Rubin, MS, RN, NP, FNP-BCNurse PractitionerSan Francisco, CA
Luis A Rubio, MD, MHSInfectious DiseaseSan Francisco, CA
Vivek A Rudrapatna, M.D., PH.D.GastroenterologySan Francisco, CA
Krista Ruff, FNP-CNurse PractitionerSan Francisco, CA
Hope S Rugo, MDHematology-OncologySan Francisco, CA
Robert J Rushakoff, MDEndocrinologySan Francisco, CA
Robert Russo, MDInternal MedicineSan Carlos, CA
Silvia P Russo, MDNeurologySan Francisco, CA
Pradip K Rustagi, MDHematology-OncologyBend, OR
Aarthi Sabanayagam, M.B.B.S,Adult Congenital Heart DiseaseSan Francisco, CA
Joseph J Sabatino, M.D., PH.D.NeurologySan Francisco, CA
Evar Saelee, PA-CPhysician AssistantSan Francisco, CA
Zakir Safdar, MDInternal MedicineSan Francisco, CA
Michele Said, MDFamily PracticeSan Francisco, CA
Rajiv Saigal, M.D., PH.D.NeurosurgeryFremont, CA
Ayesha Salahuddin, MDCardiologySan Francisco, CA
Michael Salerno, MD, PHDCardiologySan Francisco, CA
Emma Samelson-JonesPsychiatryOakland, CA
Paul SampognaroNeurologySan Francisco, CA
Teresa M San Mateo, P.A.-CPhysician AssistantWailuku, HI
Sue-Jean Santa Maria, MS, FNP-CNurse PractitionerSan Francisco, CA
Lekshmi Santhosh, M.D.Interventional Pain ManagementSan Francisco, CA
Lauren G Santiesteban, M.D.Orthopedic SurgerySan Francisco, CA
Kasra J Sarhadi, MD, MPHNeurologySeattle, WA
Minnie Sarwal, M.D., PHDPediatric MedicinePalo Alto, CA
Johnathan B Sataloff, MDPsychiatryBoston, MA
Ramotse Saunders, MDPsychiatrySan Francisco, CA
Ashley M Sauter, PA-CPhysician AssistantSan Francisco, CA
Luis E Savastano, M.D.NeurosurgerySan Francisco, CA
Aenor J Sawyer, MDOrthopedic SurgerySan Ramon, CA
Drew Saylor, M.D.Micrographic Dermatologic SurgerySan Francisco, CA
Peter H Sayre, M.D.Hematology-OncologySan Francisco, CA
Craig S Schallhorn, M.D.OphthalmologyFort Belvoir, VA
Julie Schallhorn, M.D.OphthalmologyLos Angeles, CA
Carlton ScharmanMedical OncologyFremont, CA
Nelson B Schiller, MDCardiologySan Francisco, CA
Caroline M Schlocker, M.D.OtolaryngologySan Francisco, CA
Daniel W Schmitz, NPNurse PractitionerSaint Helena, CA
Susan G Schneider, M.D.,MSPHGeriatric MedicineSan Francisco, CA
Kelly L Schoenbeck, M.D.Internal MedicineNew York, NY
Robert B Schoene, M.D.Critical Care (Intensivists)Oakland, CA
Michael C Schrader, M.D. PH.DInternal MedicineSan Francisco, CA
Nicole S Schroeder, MDOrthopedic SurgerySan Francisco, CA
Brian SchulteHematology-OncologySan Francisco, CA
Amy M Schwartzburg, NPNurse PractitionerSan Francisco, CA
Leslie L Seijo, M.D.Pulmonary DiseaseSan Francisco, CA
Jennifer G Seither, NP-CNurse PractitionerPalo Alto, CA
Gerami D Seitzman, M.D.OphthalmologySan Francisco, CA
Rishi R Sekar, MDUrologySan Francisco, CA
Aylin Selek, M.D.NephrologySan Francisco, CA
Carlin H SenterInternal MedicineSan Francisco, CA
Andreea L Seritan, M.D.PsychiatrySacramento, CA
Madhav R Seshadri, M.D.Hematology-OncologySan Francisco, CA
Rajiv K Sethi, M.D.Orthopedic SurgerySeattle, WA
Fabio Settecase, M.D., M.SC.Diagnostic RadiologySan Francisco, CA
Grace M Sevilla, PA-CPhysician AssistantSan Francisco, CA
Steven N Seyedin, M.D.Radiation OncologySan Francisco, CA
Aysha A Shafi, ODOptometryAtlanta, GA
Ann C Shah, M.D.AnesthesiologySan Francisco, CA
Maulik P Shah, M.D.NeurologySan Francisco, CA
Neal G Shah, MDCardiologySan 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