Clinicians affiliated with United Medical Doctors
173 clinicians on file with this group · most practice in Riverside-San Bernardino-Ontario, CA · PAC ID 2961305651
139 clinicians affiliated with United Medical Doctors are in the 2024 Medicare Part B data, 88 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 · Gastroenterology (34) · Certified Registered Nurse Anesthetist (CRNA) (29) · Physician Assistant (9) · Nurse Practitioner (8) · Diagnostic Radiology (4) · Emergency Medicine (4) · Internal Medicine (4) · Cardiology (3) · Family Practice (3) · General Surgery (3) · Interventional Pain Management (3) · Obstetrics & Gynecology (3) · Orthopedic Surgery (3) · Otolaryngology (3) · Pain Management (3) · Allergy/ Immunology (2) · Pathology (2) · Physical Medicine and Rehabilitation (2) · Physical Therapist in Private Practice (2) · Podiatry (2) · Anesthesiology (1) · Audiologist (1) · Colorectal Surgery (Proctology) (1) · Dermatology (1) · Endocrinology (1) · Hematology-Oncology (1) · Interventional Cardiology (1) · Neurosurgery (1) · Psychiatry (1) · Pulmonary Disease (1) · Undefined Physician type (1) · Urology (1) · Vascular Surgery (1)
Specialty links go to the specialty in Riverside-San Bernardino-Ontario, CA.
Clinicians affiliated with United Medical Doctors, 2024
Alphabetical by last name; 101–139 of 139.
| Name | Specialty | City |
|---|---|---|
| Patricia Park | Endocrinology | Murrieta, CA |
| Kalpana Patel, M.D. | Gastroenterology | Long Beach, CA |
| Nishant D Patel, MD | Urology | Temecula, CA |
| Anthony C Pearson, MD | Cardiology | Chesterfield, MO |
| Neal C Petersen, CRNA | Certified Registered Nurse Anesthetist (CRNA) | San Diego, CA |
| Morgan Phelps, FNP-C | Nurse Practitioner | Manhattan Beach, CA |
| Liza J Plafsky, MD | Gastroenterology | Murrieta, CA |
| Warren W Pleskow, MD | Allergy/ Immunology | Encinitas, CA |
| Kamshad Raiszadeh, M.D. | Orthopedic Surgery | San Diego, CA |
| Marsha S Reuther, M.D. | Otolaryngology | La Jolla, CA |
| Eunice N Rhee, D.O. | Internal Medicine | Fallbrook, CA |
| James W Rhee, MD | Emergency Medicine | Loma Linda, CA |
| William M Rice, PA-C | Physician Assistant | Escondido, CA |
| Paul Rogers, P.A. | Physician Assistant | Apple Valley, CA |
| Suhail B Salem, M.D. | Gastroenterology | Northridge, CA |
| Bryan Sauter, PAC | Physician Assistant | Los Angeles, CA |
| Mark Schultzel, MD | Orthopedic Surgery | San Diego, CA |
| Matthew M Schultzel, D.O. | General Surgery | La Jolla, CA |
| John P Serra, M.D. | Emergency Medicine | Carlsbad, CA |
| Abbass Shafii, M.D. | Gastroenterology | Colorado Springs, CO |
| Omar Shahbaz, M.D., M.S. | Gastroenterology | Corona, CA |
| Mahnaz Shahidi-Asl, MD | Pathology | Napa, CA |
| Huafeng Shen, M.D. | Gastroenterology | Murrieta, CA |
| Denise L Sherk, FNP | Nurse Practitioner | Murrieta, CA |
| Aldric J Shim, MD | Diagnostic Radiology | Monterey Park, CA |
| Natalie M Sloan, F.N.P. | Nurse Practitioner | Rancho Mirage, CA |
| Julie Spring | Certified Registered Nurse Anesthetist (CRNA) | Murrieta, CA |
| Chandra L Spring-Robinson, DO | Obstetrics & Gynecology | Encinitas, CA |
| David B Stanton, M.D. | Gastroenterology | Orange, CA |
| Christina M Steinhauser, D.O. | Gastroenterology | Murrieta, CA |
| Bahnam Thomas, D.O | Physical Medicine and Rehabilitation | Murrieta, CA |
| Arthur Uyesugi | Otolaryngology | Temecula, CA |
| Robert Veve, MD | Pathology | Murrieta, CA |
| Evan K Winograd, M.D. | Neurosurgery | Carlsbad, CA |
| Ashley Wong, DO | Pain Management | Fountain Valley, CA |
| Lisa Y Xu, M.D. | Dermatology | Newport Beach, CA |
| Diana K Yao, M.D. | Gastroenterology | Long Beach, CA |
| Steve P Yu, MD | Obstetrics & Gynecology | Northridge, CA |
| Michael Zamora | Physician Assistant | San Diego, 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