Clinicians affiliated with Regents Of The University Of
129 clinicians on file with this group · most practice in Los Angeles-Long Beach-Anaheim, CA · PAC ID 7517869605
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
101 clinicians affiliated with Regents Of The University Of are in the 2024 Medicare Part B data, 81 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 · Emergency Medicine (79) · Nurse Practitioner (13) · Physician Assistant (7) · Anesthesiology (1) · Neurology (1)
Specialty links go to the specialty in Los Angeles-Long Beach-Anaheim, CA.
Clinicians affiliated with Regents Of The University Of, 2024
Alphabetical by last name; 1–100 of 101.
| Name | Specialty | City |
|---|---|---|
| Kimberly N Abido, MSN, APRN, FNP-C | Nurse Practitioner | Orange, CA |
| Brenda E Aguilar, DNP | Nurse Practitioner | Brea, CA |
| Kathleen Ahn, NP | Nurse Practitioner | Huntington Park, CA |
| Isabel M Algaze-Gonzalez, M.D. | Emergency Medicine | Boston, MA |
| Philip Amante | Nurse Practitioner | Orange, CA |
| Jennifer Ballinger, MD | Emergency Medicine | Brooklyn, NY |
| Peter V Bui, MD | Emergency Medicine | Dekalb, IL |
| Kirsten K Calder, MD | Emergency Medicine | Los Alamitos, CA |
| Bharath Chakravarthy, MD | Emergency Medicine | Orange, CA |
| Chuck Chan, DO | Emergency Medicine | Orange, CA |
| Carrie E Chandwani, M.D. | Emergency Medicine | Orange, CA |
| James M Chapman, DO | Emergency Medicine | Lakewood, CA |
| Daniel S Choi, MD | Emergency Medicine | Orange, CA |
| Victor M Cisneros, M.D. | Emergency Medicine | Orange, CA |
| Eric H Dang, MD | Emergency Medicine | Orange, CA |
| Michael Del Valle | Emergency Medicine | Denver, CO |
| Wai Tan Di, MD | Emergency Medicine | Brooklyn, NY |
| Diana Doan-Nguyen | Nurse Practitioner | Costa Mesa, CA |
| Kuljinder Dosanjh, P.A. | Physician Assistant | Orange, CA |
| Christina Duong, N.P. | Nurse Practitioner | Orange, CA |
| Judith L Eilmes, FNP | Nurse Practitioner | Orange, CA |
| Justin Evans | Emergency Medicine | Lakewood, CO |
| John C Fox, MD | Emergency Medicine | Orange, CA |
| Joshua Fuchs, DO | Emergency Medicine | Orange, CA |
| Ryan P Gibney, MD | Emergency Medicine | Orange, CA |
| Christopher Gilani, MD | Anesthesiology | Orange, CA |
| Charles Giron | Physician Assistant | Orange, CA |
| Pooneh H Glascock, M.D. | Emergency Medicine | Cedar Rapids, IA |
| Megan E Guy, MD | Emergency Medicine | Orange, CA |
| Sanaz Hamidi, M.D | Emergency Medicine | Los Alamitos, CA |
| Paul Hanna, PA-C | Physician Assistant | Riverside, CA |
| Edmund Hsu, MD | Emergency Medicine | Orange, CA |
| Herbert D Icasiano, DO | Emergency Medicine | Los Alamitos, CA |
| Alexander Iteen, M.D. | Emergency Medicine | Orange, CA |
| Joseph J Jean, MD | Emergency Medicine | Los Alamitos, CA |
| Maxwell Jen, MD | Emergency Medicine | Tustin, CA |
| Juan C Jones, M.D. | Emergency Medicine | Monterey Park, CA |
| Sheri Jonsson, NP | Nurse Practitioner | Orange, CA |
| Nikita K Joshi, MD | Emergency Medicine | Orange, CA |
| Robert J Katzer, M.D. | Emergency Medicine | Orange, CA |
| Peter F Keenan, MD | Emergency Medicine | Los Alamitos, CA |
| Jerry B Kim, M.D. | Emergency Medicine | Orange, CA |
| Tae Eung J Kim, M.D. | Emergency Medicine | Orange, CA |
| Alexis Koda, MD | Emergency Medicine | Philadelphia, PA |
| Monica Kumar, M.D, | Emergency Medicine | Los Alamitos, CA |
| Lauren E Lamparter | Emergency Medicine | Orange, CA |
| Mark Langdorf, MD | Emergency Medicine | Orange, CA |
| Dana R Levin, M.D. | Emergency Medicine | Orange, CA |
| Kelly J Lew | Emergency Medicine | San Diego, CA |
| Kristin M Lewis, MD | Emergency Medicine | Orange, CA |
| Junwei Li | Emergency Medicine | Orange, CA |
| Joshua K Livingston, MD | Emergency Medicine | Orange, CA |
| Isai L Lopez, MD | Emergency Medicine | Anaheim, CA |
| Dylan Lukato | Emergency Medicine | Yuma, AZ |
| Mina Masri, D.O. | Emergency Medicine | Los Alamitos, CA |
| Danielle Matonis, MD | Emergency Medicine | Orange, CA |
| Christopher E Mccoy, M.D. | Emergency Medicine | Orange, CA |
| Akash Mehta, DO | Emergency Medicine | Los Alamitos, CA |
| Nima R Moradian, D.O. | Emergency Medicine | Orange, CA |
| Toby Myatt, MD | Emergency Medicine | Orange, CA |
| Alexander Ngo, NP | Nurse Practitioner | Orange, CA |
| Christina T Nguyen, PA - C | Physician Assistant | Costa Mesa, CA |
| Michelle M Nguyen, MD | Emergency Medicine | Orange, CA |
| Alyssa Nguyen-Phuoc, M.D. | Emergency Medicine | Orange, CA |
| Teresa A Norris, NP | Nurse Practitioner | Lakewood, CA |
| Victoria R Oppenheim, MD | Emergency Medicine | Vancouver, WA |
| Megan B Osborn, M.D. | Emergency Medicine | Orange, CA |
| Parth Patel, MD | Emergency Medicine | Orange, CA |
| Sagar Patel, M.D. | Emergency Medicine | Rancho Mirage, CA |
| Vikkie Patel, FNP-BC | Nurse Practitioner | Orange, CA |
| Michael W Perlman, M.D. | Emergency Medicine | Los Alamitos, CA |
| Erin Prince, DO | Emergency Medicine | Camden, NJ |
| Ronald J Rivera, M.D. | Emergency Medicine | Orange, CA |
| Brieana H Rodriguez, MD | Emergency Medicine | Orange, CA |
| Melissa E Rodriguez, N.P. | Nurse Practitioner | Orange, CA |
| Robert M Rodriguez, MD | Emergency Medicine | Los Angeles, CA |
| Ivan C Rokos, MD | Emergency Medicine | Los Alamitos, CA |
| Scott Rudkin, MD | Emergency Medicine | Orange, CA |
| Tonya M Santiago, NP | Nurse Practitioner | Upland, CA |
| Amir M Seifi, P.A. | Physician Assistant | Orange, CA |
| Jason M Sesi, PA-C | Physician Assistant | Las Vegas, NV |
| Mason Shieh, M.D., M.B.A. | Emergency Medicine | Los Alamitos, CA |
| Brian J Shin, PHYSICIAN ASSISTANT | Physician Assistant | Riverside, CA |
| Jonathan Smart | Emergency Medicine | Orange,, CA |
| Lindsey Spiegelman, MD | Emergency Medicine | Orange, CA |
| Graham Stephenson, MD | Emergency Medicine | Orange, CA |
| Jeffrey Suchard, MD | Emergency Medicine | Orange, CA |
| Pardeep S Thandi, M.D. | Emergency Medicine | Orange, CA |
| Christopher A Tomongin, M.D. | Emergency Medicine | Los Alamitos, CA |
| Shannon L Toohey, MD | Emergency Medicine | Orange, CA |
| Daniel J Trueba, M.D. | Emergency Medicine | San Diego, CA |
| Tze Lyn S Tseeng, M.D. | Emergency Medicine | Chicago, IL |
| Walter W Valesky, MD | Neurology | Orange, CA |
| Luke Walls-Smith, MD | Emergency Medicine | Orange, CA |
| Gihan K Wetzel, DO | Emergency Medicine | Los Alamitos, CA |
| Warren F Wiechmann, MD | Emergency Medicine | Fresno, CA |
| Allan D Winger, MD | Emergency Medicine | Orange, CA |
| Alisa V Wray, M.D. | Emergency Medicine | Orange, CA |
| Allen Yang, DO | Emergency Medicine | Duarte, CA |
| May J Yen, M.D. | Emergency Medicine | Glendale, 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