Clinicians affiliated with Cep America - California
1,292 clinicians on file with this group · most practice in Riverside-San Bernardino-Ontario, CA · PAC ID 6103739131
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
1,097 clinicians affiliated with Cep America - California are in the 2024 Medicare Part B data, 978 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 (955) · Nurse Practitioner (93) · Physician Assistant (26) · Family Practice (15) · Internal Medicine (3) · Anesthesiology (1) · General Surgery (1) · Hospitalist (1) · Nephrology (1) · Neurology (1)
Specialty links go to the specialty in Riverside-San Bernardino-Ontario, CA.
Clinicians affiliated with Cep America - California, 2024
Alphabetical by last name; 901–1,000 of 1,097.
| Name | Specialty | City |
|---|---|---|
| Preya S Sheth | Emergency Medicine | Roseville, CA |
| Mason Shieh, M.D., M.B.A. | Emergency Medicine | Los Alamitos, CA |
| Maureen I Shuma, MD | Family Practice | Sacramento, CA |
| Angadpreet S Sidhu, MEDICAL STUDENT | Emergency Medicine | Tracy, CA |
| Christopher A Sikes, DO | Emergency Medicine | Vineland, NJ |
| Rhonaldo A Silaban, MD | Emergency Medicine | Oswego, NY |
| Nathan R Silvestri, M.D. | Emergency Medicine | Loma Linda, CA |
| Tristan Simmons, DO | Emergency Medicine | Tucson, AZ |
| Gregory G Simsarian, M.D | Emergency Medicine | Laguna Hills, CA |
| Amninder Singh, M.D. | Emergency Medicine | San Antonio, TX |
| Guneet Singh | Emergency Medicine | Aliso Viejo, CA |
| Manvir M Singh, DO | Emergency Medicine | Rancho Mirage, CA |
| Ranvir Singh, M.D. | Emergency Medicine | Santa Cruz, CA |
| Smriti Singh, DO | Emergency Medicine | Philadelphia, PA |
| Melissa K Sixbey, FNP-C | Nurse Practitioner | Oxnard, CA |
| Clinton A Slaughter, M.D. | Emergency Medicine | San Luis Obispo, CA |
| Brandon R Slockbower, M.D. | Emergency Medicine | Greenville, NC |
| Mark A Slomoff, M.D. | Emergency Medicine | Walnut Creek, CA |
| Christine Smith, NURSE PRACTITIONER | Nurse Practitioner | Vallejo, CA |
| Alissa K Snyder, M.D. | Emergency Medicine | Bakersfield, CA |
| Julia D Sobel | Emergency Medicine | Concord, CA |
| Kimberly Sokol, M.D. | Emergency Medicine | Orange, CA |
| Linda J Soldavini, MD | Emergency Medicine | Orange, CA |
| Peter D Solomon | Emergency Medicine | San Diego, CA |
| Hank J Song, MD | Emergency Medicine | Los Angeles, CA |
| Stephanie Songey | Emergency Medicine | Visalia, CA |
| David A Soohoo, M.D. | Emergency Medicine | Walnut Creek, CA |
| Michi Spady, MD | Emergency Medicine | Mountain View, CA |
| Rachel Spann | Emergency Medicine | San Diego, CA |
| Benjamin T Squire, M.D. | Emergency Medicine | Torrance, CA |
| Natalya V Stadnitskaya, FNP-C | Nurse Practitioner | Sacramento, CA |
| Michael Stanley | Emergency Medicine | Visalia, CA |
| Christopher R Steckling, M.D. | Emergency Medicine | Pomona, CA |
| Eric Stern | Emergency Medicine | Loma Linda, CA |
| Jennifer L Stever, D.O. | Emergency Medicine | Manhattan Beach, CA |
| Michael Stoker | Emergency Medicine | Reston, VA |
| Sonya Stokes | Emergency Medicine | New York, NY |
| Jordan Storkersen | Emergency Medicine | Colton, CA |
| Megan Storm, M.D. | Emergency Medicine | Palo Alto, CA |
| Brian P Stow, FNP-C | Nurse Practitioner | Reedley, CA |
| Brian C Strain, DO | Emergency Medicine | Loma Linda, CA |
| Connie Strouse | Emergency Medicine | Cottonwood, AZ |
| Rory P Stuart, MD | Emergency Medicine | Sacramento, CA |
| Andy K Su, MD | Emergency Medicine | Tracy, CA |
| Mohammad Subeh, MD | Emergency Medicine | Orange, CA |
| Garrett D Suchecki, DO | Emergency Medicine | Colton, CA |
| Eunice H Suhr, M.D. | Emergency Medicine | San Antonio, TX |
| Kevin B Sullivan, DO | Emergency Medicine | San Diego, CA |
| Tyler Sullivan | Emergency Medicine | Fresno, CA |
| James M Sverchek, MD | Emergency Medicine | Bakersfield, CA |
| Mellissa Sydney, DO | Emergency Medicine | Santa Maria, CA |
| Ghufran M Syed, M.D. | Emergency Medicine | Los Angeles, CA |
| Lauren V Sylwanowicz, M.D. | Emergency Medicine | Long Beach, CA |
| Heather F Taher, M.D. | Emergency Medicine | Chicago, IL |
| Kenneth P Takaki, DO | Emergency Medicine | Colton, CA |
| Livneet K Takhar, FNP | Nurse Practitioner | San Leandro, CA |
| Yong-Yong Tam, M.D. | Emergency Medicine | Alameda, CA |
| Maria Tamborski, M.D | Emergency Medicine | Coos Bay, OR |
| Carol Tang | Emergency Medicine | Bakersfield, CA |
| Brian J Tanner, MD | Emergency Medicine | Sacramento, CA |
| Kevin K Tao, M.D. | Emergency Medicine | Chicago, IL |
| Aymel J Tarrar, M.D. | Family Practice | Citrus Heights, CA |
| Panteha Tavassol | Emergency Medicine | Farmington Hills, MI |
| Richard R Tavernetti, MD | Emergency Medicine | Toledo, OH |
| Grace Taylor | Emergency Medicine | Salem, MA |
| Robinson Taylor, M.D. | Emergency Medicine | Birmingham, AL |
| Eric T Teacher, M.D. | Emergency Medicine | Loma Linda, CA |
| Patrick Terrassa, MD | Emergency Medicine | Stockton, CA |
| Jordan Thiesen | Emergency Medicine | Jackson, MS |
| Patrick G Thomas, MD | Emergency Medicine | Chula Vista, CA |
| Seth C Thomas, M.D. | Emergency Medicine | Antioch, CA |
| Michelle J Thompson, MSN, APRN, AGACNP-BC | Nurse Practitioner | Redding, CA |
| Marisol Tienda, RN, BSN, MSN, FNP-C | Nurse Practitioner | Hanford, CA |
| Bradford Tinloy, M.D. | Emergency Medicine | Walnut Creek, CA |
| Sean M Tiret, MD | Emergency Medicine | Greenbrae, CA |
| Anthony Tkac, PA-C | Physician Assistant | Mountain View, CA |
| Maria A Tobar, MD | Emergency Medicine | Riverside, CA |
| Jonathan N Tom, DO | Emergency Medicine | Moreno Valley, CA |
| Dan Ton, DO | Emergency Medicine | Garden City, MI |
| Eva Tovar Hirashima, M.D., M.P.H | Emergency Medicine | San Diego, CA |
| Daryn C Towle, MD | Emergency Medicine | Orange, CA |
| Alexander Tran, MD | Emergency Medicine | San Francisco, CA |
| Cuong D Tran, MD | Emergency Medicine | Colton, CA |
| Eric K Tran, M.D. | Emergency Medicine | Flushing, NY |
| Katherine Tran, MD | Emergency Medicine | Greenbrae, CA |
| Caleb J Trent, MD | Emergency Medicine | Lawrence, KS |
| Emily Trinh, M.D. | Emergency Medicine | Visalia, CA |
| Matthew L Tripp, M.D. | Emergency Medicine | Santa Cruz, CA |
| Kevin K Truong, MD | Emergency Medicine | Grand Blanc, MI |
| Alex Tsai, DO | Emergency Medicine | San Mateo, CA |
| Jeffrey Tsai, M.D | Emergency Medicine | Decatur, GA |
| Kenyon Tsao, M.D. | Emergency Medicine | San Luis Obispo, CA |
| Ray-Young Tsao, MD | Emergency Medicine | Tucson, AZ |
| Audrey Tse, M.D. | Emergency Medicine | Boston, MA |
| Angela M Tseng, DO | Emergency Medicine | Bakersfield, CA |
| Khoa M Tu, M.D. | Emergency Medicine | Bakersfield, CA |
| Achmed M Turay, MD | Family Practice | Selma, CA |
| Patrick Um, MD | Emergency Medicine | Oxnard, CA |
| Thomas S Umemoto, M.D | Emergency Medicine | Sun City, AZ |
| Veralyn R Vanderkraan, DO | Emergency Medicine | Palm Springs, 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