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; 801–900 of 1,230.
| Name | Specialty | City |
|---|---|---|
| Laurie L Nguyen, AGACNP-BC | Nurse Practitioner | San Francisco, CA |
| Tien T Nguyen, PA-C | Physician Assistant | San Francisco, CA |
| Tung T Nguyen, MD | Internal Medicine | San Francisco, CA |
| Hailyn Nielsen | Rheumatology | San Francisco, CA |
| Rita Nieu, OD, MS | Optometry | San Francisco, CA |
| Cheikh Njie, MD | Gastroenterology | San Francisco, CA |
| Daniel H Null, MD | Internal Medicine | San Francisco, CA |
| Uchenna A Nwosu | Internal Medicine | Oakland, CA |
| Alyssa Nylander | Neurology | San Francisco, CA |
| Nancy Ann E Oberheim Bush, M.D. PH.D. | Neurology | San Francisco, CA |
| Anobel Y Odisho, MD | Urology | San Francisco, CA |
| Mimi Ogawa, M.D. | Family Practice | Sacramento, CA |
| Onyinye C Ogee-Nwankwo | Nurse Practitioner | Daly City, CA |
| Michael Ohliger | Diagnostic Radiology | Boston, MA |
| Ross A Okimoto, M.D | Internal Medicine | Boston, MA |
| Megumi J Okumura, M.D. | Pediatric Medicine | San Francisco, CA |
| Kelly Olcott, AGPCNP-BC | Nurse Practitioner | San Mateo, CA |
| Rebecca Olin, MD | Hematology-Oncology | San Francisco, CA |
| Devin A Oller, MD | Internal Medicine | Lexington, KY |
| Lawrence M Oloff, MD | Podiatry | Daly City, CA |
| Natalie R Olsen, NP | Nurse Practitioner | San Francisco, CA |
| Kirstina M Olson, M.D. | Orthopedic Surgery | San Francisco, CA |
| Conor W O'Neill, M.D. | Interventional Pain Management | San Francisco, CA |
| Marina Ortega, PHYSICIAN ASSISTANT | Physician Assistant | Petaluma, CA |
| Idelisse Ortiz Torres, MD PHD | Neurology | San Francisco, CA |
| Maria S Ortiz Urda, M.D | Dermatology | Stanford, CA |
| Jennifer Osborn, APRN | Nurse Practitioner | Santa Cruz, CA |
| Jonathan Ostrem, M.D., PH.D. | Hematology-Oncology | Boston, MA |
| Iris M Otani, M.D. | Internal Medicine | San Francisco, CA |
| Yvonne Ou, M.D. | Ophthalmology | Durham, NC |
| Justin O Oveyssi, D.O. | Nephrology | West Hollywood, CA |
| Tyler Padgett, D.O. | Family Practice | San Francisco, CA |
| Sriranjani P Padmanabhan, M.D. | Ophthalmology | San Francisco, CA |
| Caitlyn E Painter, D.O. | Obstetrics & Gynecology | San Francisco, CA |
| Darren Pan | Hematology-Oncology | San Francisco, CA |
| Elizabeth Pan | Hematology-Oncology | Los Angeles, CA |
| Judong Pan, M.D. | Diagnostic Radiology | San Francisco, CA |
| Rutvij P Pandya, MD | Family Practice | San Francisco, CA |
| Mercedes Paredes, MD, PHD | Neurology | San Francisco, CA |
| Neeti B Parikh, MD | Ophthalmology | San Francisco, CA |
| Andrea Park | Otolaryngology | Los Angeles, CA |
| Han Myoung Park, DO | Family Practice | Geneva, IL |
| James Park, MD | Family Practice | San Francisco, CA |
| Meyeon Park, MD | Nephrology | San Francisco, CA |
| Michael K Park, MD | Physical Medicine and Rehabilitation | Oakland, CA |
| Charles B Parks, D.P.M. | Podiatry | San Francisco, CA |
| Leslie M Parnell, NP | Nurse Practitioner | San Francisco, CA |
| Neel D Pasricha, M.D. | Ophthalmology | San Francisco, CA |
| Sravya Patnala | Family Practice | Los Angeles, CA |
| Lauren Patrick | Neurology | San Francisco, CA |
| Atrejo Patridge, N.P. | Nurse Practitioner | San Francisco, CA |
| Sarah L Patterson | Internal Medicine | San Francisco, CA |
| Sophie Patzek, M.D, | Endocrinology | San Diego, CA |
| Pritikanta Paul, MD | Neurology | San Francisco, CA |
| Geraldine Pavez, ACNP | Nurse Practitioner | Los Angeles, CA |
| Ivy Paw, MD | Family Practice | San Francisco, CA |
| Alyson E Pelayo | Nurse Practitioner | San Francisco, CA |
| Tracy J Peng, MD | Psychiatry | San Francisco, CA |
| Alyssa A Perez, M.D. | Pulmonary Disease | Boston, MA |
| Jennifer Perkins, MD | Endocrinology | San Francisco, CA |
| Douglas B Pet | Neurology | San Francisco, CA |
| Mary Petrofsky, NP | Nurse Practitioner | San Francisco, CA |
| Michele N Pham, M.D. | Allergy/ Immunology | San Francisco, CA |
| Darcy Phelan, RN, NP | Nurse Practitioner | San Francisco, CA |
| Lauren Phinney, MD | Internal Medicine | San Francisco, CA |
| Sorbarikor Piawah, M.D. | Medical Oncology | Boston, MA |
| Michael Pico, MD | Pain Management | San Francisco, CA |
| Logan Pierce | Hospitalist | Los Angeles, CA |
| James Pirruccello | Cardiology | San Francisco, CA |
| Samuel J Pleasure, M.D. | Neurology | San Francisco, CA |
| Brandon Pleman, MD | Family Practice | San Mateo, CA |
| Steven D Pletcher, M.D. | Otolaryngology | San Francisco, CA |
| Liina Poder, M.D. | Diagnostic Radiology | San Francisco, CA |
| Lealah Pollock, M.D., M.S. | Family Practice | San Francisco, CA |
| Jason H Pomerantz, M.D. | Plastic and Reconstructive Surgery | San Francisco, CA |
| Lawrence R Poree, MD | Interventional Pain Management | San Francisco, CA |
| Paula A Porras Rodriguez, MD | General Surgery | San Francisco, CA |
| Sima P Porten, M.D | Urology | San Francisco, CA |
| Andrew M Posselt, MD | General Surgery | San Francisco, CA |
| Merve Postalcioglu, MD | Nephrology | San Francisco, CA |
| Michael B Potter, M.D. | Family Practice | San Francisco, CA |
| Daniel R Pound, M.D. | Family Practice | San Francisco, CA |
| Michael Pourdehnad, MD | Hematology-Oncology | New York, NY |
| Pooja Prasad, MD | Advanced Heart Failure and Transplant Cardiology | San Francisco, CA |
| Mukund Premkumar, MD | Family Practice | San Francisco, CA |
| Elissa R Price, M.D. | Diagnostic Radiology | San Francisco, CA |
| Jennifer C Price, MD | Gastroenterology | San Francisco, CA |
| Atif Qasim, MD | Cardiology | San Francisco, CA |
| Zoe E Quandt, M.D. | Endocrinology | San Francisco, CA |
| Michael W Rabow, MD | Internal Medicine | San Francisco, CA |
| James A Radford, DO, DC | Family Practice | Las Vegas, NV |
| Govind Raghavan | Psychiatry | San Francisco, CA |
| Kesav Raghavan | Diagnostic Radiology | San Jose, CA |
| Sophia Rahman, M.D. | Radiation Oncology | Pleasant Hill, CA |
| David R Raleigh, M.D., PH.D. | Radiation Oncology | San Francisco, CA |
| Jeffrey W Ralph, M.D. | Neurology | San Francisco, CA |
| Radhika A Ramanan, M.D, M.P.H. | Internal Medicine | San Francisco, CA |
| Saraswathy Ramanathan, M.D. | Ophthalmology | San Francisco, CA |
| Faustine D Ramirez, M.D. | Pediatric Medicine | San Francisco, CA |
| Olga Ramm, MD | Obstetrics & Gynecology | Oakland, 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