Clinicians affiliated with Providence Medical Foundation
1,466 clinicians on file with this group · most practice in Los Angeles-Long Beach-Anaheim, CA · PAC ID 8921993205
1,300 clinicians affiliated with Providence Medical Foundation are in the 2024 Medicare Part B data, 952 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 (200) · Family Practice (179) · Nurse Practitioner (163) · Physician Assistant (157) · Emergency Medicine (58) · Cardiology (47) · Obstetrics & Gynecology (46) · Hospitalist (42) · General Surgery (39) · Gastroenterology (34) · Hematology-Oncology (25) · Orthopedic Surgery (24) · Anesthesiology (21) · Endocrinology (20) · Pulmonary Disease (20) · Interventional Cardiology (18) · Dermatology (15) · Neurology (15) · Diagnostic Radiology (13) · Critical Care (Intensivists) (12) · Neurosurgery (12) · Rheumatology (11) · Medical Oncology (10) · Urology (10) · Nephrology (8) · Podiatry (8) · Registered Dietitian or Nutrition Professional (8) · Vascular Surgery (8) · Clinical Cardiac Electrophysiology (7) · Physical Medicine and Rehabilitation (7) · Otolaryngology (6) · Radiation Oncology (6) · Certified Nurse Midwife (5) · Plastic and Reconstructive Surgery (5) · Allergy/ Immunology (4) · Infectious Disease (4) · Pain Management (4) · Thoracic Surgery (4) · Licensed Clinical Social Worker (3) · Cardiac Surgery (2) · General Practice (2) · Hospice and Palliative Care (2) · Pediatric Medicine (2) · Psychiatry (2) · Psychologist, Clinical (2) · Advanced Heart Failure and Transplant Cardiology (1) · Chiropractic (1) · Colorectal Surgery (Proctology) (1) · Geriatric Medicine (1) · Hand Surgery (1) · Interventional Pain Management (1) · Micrographic Dermatologic Surgery (1) · Physical Therapist in Private Practice (1) · Preventive Medicine (1) · Undefined Physician type (1)
Specialty links go to the specialty in Los Angeles-Long Beach-Anaheim, CA.
Clinicians affiliated with Providence Medical Foundation, 2024
Alphabetical by last name; 1,201–1,300 of 1,300.
| Name | Specialty | City |
|---|---|---|
| Muhammad Umer, M.D. | Family Practice | Riverside, CA |
| Amy L Underwood-Jolly, M.D. | Internal Medicine | Mission Viejo, CA |
| Michael C Valdez, MD | Internal Medicine | Yorba Linda, CA |
| Maggie S Valencia, FNP | Nurse Practitioner | Victorville, CA |
| Natalie P Valle, MSN-FNP-C, MPH | Nurse Practitioner | Fullerton, CA |
| Linda J Vanlint, P.A. | Physician Assistant | Glendale, CA |
| Ali Varzgah, M.D. | Emergency Medicine | Eureka, CA |
| Tomas Vasiliauskas, M.D. | Cardiology | Santa Rosa, CA |
| Scott R Vaudrey, MD | Family Practice | Chino Hills, CA |
| Deidre Vaughn, PA-C | Physician Assistant | Burlington, MA |
| Emily Venditti, PA-C | Physician Assistant | Windsor, CA |
| Jesus A Vera, M.D. | Interventional Cardiology | Fullerton, CA |
| David Vierra, MD | Hospitalist | Napa, CA |
| Robyn D Vieth, M.D. | Obstetrics & Gynecology | Fullerton, CA |
| Kenny B Vinh, P.A. | Physician Assistant | Anaheim, CA |
| Courtney A Vito, MD | General Surgery | Fullerton, CA |
| Amy Voet, D.O. | Anesthesiology | Hershey, PA |
| Debbie Vongviwat, MS, RDN | Registered Dietitian or Nutrition Professional | Santa Ana, CA |
| Ronak R Vora, D.O. | Neurology | Mission Viejo, CA |
| Annie Vu, PA-C | Physician Assistant | Orange, CA |
| Christine Vu, DO | Family Practice | Brea, CA |
| Trang T Vu, NP | Nurse Practitioner | Fullerton, CA |
| Chad A Wadell, M.D. | Internal Medicine | Mission Viejo, CA |
| Anne C Wadham, PA-C | Physician Assistant | Eureka, CA |
| Kevin G Waldron, MD | Neurosurgery | Laguna Hills, CA |
| Summer L Walker, PA-C | Physician Assistant | Irvine, CA |
| Eveline S Wallace, ARNP | Nurse Practitioner | Orlando, FL |
| Emily R Walsh, PA-C | Physician Assistant | Eureka, CA |
| Martin J Waltsak, PA-C | Physician Assistant | Garden Grove, CA |
| Qiu Hua Wan, D.O. | Internal Medicine | Colton, CA |
| Alice Wang, PA-C | Physician Assistant | San Clemente, CA |
| Jenny Wang, D.O. | Family Practice | Orange, CA |
| Jerome K Wang, M.D. | Pediatric Medicine | Yorba Linda, CA |
| Jennifer E Warren, RN, FNP | Nurse Practitioner | Santa Rosa, CA |
| Wayne D Warrington, D.O. | Emergency Medicine | Honolulu, HI |
| Thomas J Watson, M.D. | Hospitalist | Santa Rosa, CA |
| Christopher Y Way, D.O. | Neurology | Reno, NV |
| Jessica G Weaver, NP | Nurse Practitioner | Orange, CA |
| Jiandong Wei, MD | Internal Medicine | Sonora, CA |
| Michael S Weinstein, MD | Physical Medicine and Rehabilitation | Palm Springs, CA |
| Casey E Weiser, MD | Family Practice | Mckinleyville, CA |
| Mark D Weissig, M.D. | Pulmonary Disease | Fullerton, CA |
| Dylan E Wessman, M.D. | Cardiology | Bethesda, MD |
| Erick M Westbroek, M.D. | Neurosurgery | Fullerton, CA |
| Lauren M Wheeler, DO | Family Practice | Anaheim, CA |
| Donald L Whisler, M.D. | Rheumatology | Santa Rosa, CA |
| Alicia L White, NP | Nurse Practitioner | Camp Hill, PA |
| Courtney K White, M.D. | General Surgery | French Camp, CA |
| Robert A White, MD | General Surgery | Napa, CA |
| Stacy E Whitelock, M.D. | Dermatology | Fullerton, CA |
| Mikel Whiting, MD | Orthopedic Surgery | Fullerton, CA |
| Michael R Whitmore, D.O. | Internal Medicine | Hesperia, CA |
| Asha J Wilborn, NP | Nurse Practitioner | Orange, CA |
| Charlaine I Williamson, NP | Nurse Practitioner | Rancho Cucamonga, CA |
| Douglas R Wilson, MD | Family Practice | Napa, CA |
| Jake Wilson | Emergency Medicine | Lancaster, CA |
| William J Wilson, PA-C | Physician Assistant | Apple Valley, CA |
| Timothy M Wimmer, M.D. | Orthopedic Surgery | Eureka, CA |
| Lei H Winget, MD | General Practice | Eureka, CA |
| Hannah L Woebkenberg, M.D. | Emergency Medicine | Billings, MT |
| Devon Wolfkin | Nurse Practitioner | American Canyon, CA |
| Joann Won, P.A | Physician Assistant | Anaheim, CA |
| Albert Wong, M.D. | Neurosurgery | Los Angeles, CA |
| Andrew K Wong, MD | Interventional Cardiology | Napa, CA |
| Lily W Wong, D.O. | Internal Medicine | Las Vegas, NV |
| Melissa Wong, DNP, FNP | Nurse Practitioner | Vallejo, CA |
| Kiho Woo, M.D. | Internal Medicine | Fullerton, CA |
| Emily A Wood, PA | Physician Assistant | Petaluma, CA |
| Johnny Wu, MD | Internal Medicine | Fullerton, CA |
| Tobey Wu-Kuo, MD | Dermatology | Fullerton, CA |
| Pamela E Xandre, NP | Nurse Practitioner | Santa Ana, CA |
| Jiayang Xiao, MD | Family Practice | Anaheim, CA |
| Kabou Xiong, FNP-C | Nurse Practitioner | Eureka, CA |
| Min Xiong, CNP | Nurse Practitioner | Albuquerque, NM |
| Hongshi Xu, MD | Internal Medicine | Camas, WA |
| Joyce Yan, DPM | Podiatry | Orange, CA |
| Samuel J Yang, DO | Family Practice | Brea, CA |
| John Yashou, D.O. | Emergency Medicine | Apple Valley, CA |
| Bruce Yawitz, M.D. | Diagnostic Radiology | Santa Monica, CA |
| Janet Yazdi, M.D. | Internal Medicine | Mission Viejo, CA |
| Dwayne Yee, FNP-BC | Nurse Practitioner | Clearlake, CA |
| Suzanne Yeomans, LCSW | Licensed Clinical Social Worker | Sebastopol, CA |
| Sang K Yim, MD | Hospitalist | Riverside, CA |
| Bob Yin, M.D. | Orthopedic Surgery | Yorba Linda, CA |
| Julie H Yoo, M.D., M.P.H. | Pulmonary Disease | Fullerton, CA |
| Eugene J Yoon, M.D. | Gastroenterology | Fullerton, CA |
| James S Yoon, M.D. | Family Practice | Brea, CA |
| Stephen Yoon, M.D. | Internal Medicine | Fullerton, CA |
| Brian T Yost, D.O. | Orthopedic Surgery | Denison, TX |
| Jason Yost, MD | Family Practice | Eureka, CA |
| Jessy Young, NP | Nurse Practitioner | Corte Madera, CA |
| Robert L Young, MD, PHD | Pulmonary Disease | Eureka, CA |
| Arlene L Yu, MD, MBA | Hematology-Oncology | Cerritos, CA |
| Albert Yun, PA-C | Physician Assistant | Encino, CA |
| Rajive Zachariah, M.D. | Internal Medicine | Honolulu, HI |
| Eric R Zacharias, M.D. | Emergency Medicine | Fortuna, CA |
| Frank A Zazueta, M.D. | Emergency Medicine | Eureka, CA |
| Arthur D Zepeda, MD | Pain Management | Fullerton, CA |
| Billy Zhang, MD | Internal Medicine | Irvine, CA |
| Pengyi Zhu, DO | Internal Medicine | Fullerton, 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