Clinicians affiliated with Uc Regents
319 clinicians on file with this group · most practice in Los Angeles-Long Beach-Anaheim, CA · PAC ID 7416869516
250 clinicians affiliated with Uc Regents are in the 2024 Medicare Part B data, 209 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 · Internal Medicine (68) · Hematology-Oncology (31) · Nurse Practitioner (26) · Gastroenterology (20) · Pulmonary Disease (20) · Cardiology (12) · Nephrology (11) · Physician Assistant (9) · Endocrinology (7) · Critical Care (Intensivists) (5) · Infectious Disease (5) · Medical Oncology (4) · Rheumatology (4) · Family Practice (3) · Advanced Heart Failure and Transplant Cardiology (2) · Allergy/ Immunology (2) · Clinical Cardiac Electrophysiology (2) · General Surgery (2) · Pediatric Medicine (2) · Psychologist, Clinical (2) · Registered Dietitian or Nutrition Professional (2) · Sleep Medicine (2) · Anesthesiology (1) · Geriatric Medicine (1) · Hematology (1) · Hospitalist (1) · Obstetrics & Gynecology (1) · Physical Medicine and Rehabilitation (1) · Physical Therapist in Private Practice (1) · Podiatry (1) · Preventive Medicine (1)
Specialty links go to the specialty in Los Angeles-Long Beach-Anaheim, CA.
Clinicians affiliated with Uc Regents, 2024
Alphabetical by last name; 201–250 of 250.
| Name | Specialty | City |
|---|---|---|
| Mark S Salem | Gastroenterology | Orange, CA |
| Jason B Samarasena, M.D. | Internal Medicine | Orange, CA |
| Bobby Sasson, M.D., M.P.H. | Internal Medicine | Irvine, CA |
| Alan R Schenk, M.D. | Rheumatology | Laguna Woods, CA |
| Sherry F Schulman, RDN | Registered Dietitian or Nutrition Professional | San Juan Capistrano, CA |
| Paurush L Shah, MD | Gastroenterology | Orange, CA |
| Rachna M Shah, PA-C | Physician Assistant | Long Beach, CA |
| Imran Sharief, MD | Critical Care (Intensivists) | Tustin, CA |
| Mohaddeseh Sharifzadeh | Rheumatology | West Burlington, IA |
| Adarsh M Sharma, M.D. | Pulmonary Disease | Newport Beach, CA |
| Elisa Singh | Physician Assistant | Orange, CA |
| Julie Smith, NP | Nurse Practitioner | Orange, CA |
| Ryan Sobredo | Nurse Practitioner | Orange, CA |
| Martha Sosa-Johnson, MD | Internal Medicine | Orange, CA |
| Kimberly A Sung | Nurse Practitioner | Irvine, CA |
| Satinder Swaroop, MD | Internal Medicine | Fountain Valley, CA |
| Alexander J Sweidan, MD | Pulmonary Disease | Costa Mesa, CA |
| John Sy, M.D. | Nephrology | Long Beach, CA |
| Ekamol Tantisattamo, MD | Nephrology | Orange, CA |
| Aditi Thakkar, MBBS | Endocrinology | Orange, CA |
| Simin Torabzadeh, MD | Geriatric Medicine | Orange, CA |
| Thu M Tran, NP | Nurse Practitioner | Irvine, CA |
| Kashyap H Trivedi, MD | Gastroenterology | Orange, CA |
| Thuha T Truax, N.P.-C, MSN | Nurse Practitioner | Orange, CA |
| Kevin L Truong, MD, MBA | Internal Medicine | Valencia, CA |
| Natalia Ullrich, REGISTERED DIETITIAN | Registered Dietitian or Nutrition Professional | Irvine, CA |
| Deepti Upparapalli, M.D. | Advanced Heart Failure and Transplant Cardiology | Orange, CA |
| Poorva Vaidya | Hematology-Oncology | Orange, CA |
| Jennifer B Valerin, M.D. | Hematology-Oncology | Orange, CA |
| Eugene T Van, D.O. | Internal Medicine | Inglewood, CA |
| Richard A Vanetten, MD | Internal Medicine | Orange, CA |
| Katarina Veskovic, M.D. | Internal Medicine | Irvine, CA |
| Victoria M Villaflor, M.D. | Medical Oncology | Orange, CA |
| Janette C Villalon, PA-C | Physician Assistant | Orange, CA |
| Miguel A Villalona Calero, M.D. | Medical Oncology | Orange, CA |
| Kristin Viola, PA | Physician Assistant | Orange, CA |
| Thomas W Waddington, M.D. | Pulmonary Disease | Orange, CA |
| Tammy Wong | Sleep Medicine | Los Angeles, CA |
| Mark E Wylam, M.D. | Critical Care (Intensivists) | Orange, CA |
| Aileen Xu, FNP | Nurse Practitioner | Newport Beach, CA |
| Jennifer Xu, M.D. | Cardiology | Orange, CA |
| Bassam Yaghmour, M.D. | Pulmonary Disease | Orange, CA |
| Qin Yang | Internal Medicine | Irvine, CA |
| Beshoy T Yanny, M.D. | Gastroenterology | Los Angeles, CA |
| Yesim Yilmaz Demirdag, M.D. | Allergy/ Immunology | Irvine, CA |
| Fady Youssef, M.D. | Pulmonary Disease | Long Beach, CA |
| Austin H Yu, MD | Pulmonary Disease | Los Alamitos, CA |
| Elliot S Yu, M.D. | Gastroenterology | Orange, CA |
| Jason Zell, DO | Hematology-Oncology | Orange, CA |
| Mohammadbagher Ziari, MD | Hematology-Oncology | Corona, 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