Clinicians affiliated with Riverside Medical Clinic Inc

173 clinicians on file with this group · most practice in Riverside-San Bernardino-Ontario, CA · PAC ID 2961492327

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

141 clinicians affiliated with Riverside Medical Clinic Inc are in the 2024 Medicare Part B data, 124 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 · Family Practice (29) · Internal Medicine (22) · Diagnostic Radiology (12) · Orthopedic Surgery (8) · Obstetrics & Gynecology (7) · Cardiology (5) · Nurse Practitioner (5) · Endocrinology (4) · Ophthalmology (4) · Physician Assistant (4) · Dermatology (3) · Gastroenterology (3) · General Surgery (3) · Neurology (3) · Optometry (3) · Podiatry (3) · Urology (3) · Otolaryngology (2) · Pediatric Medicine (2) · Rheumatology (2) · Allergy/ Immunology (1) · Audiologist (1) · Chiropractic (1) · Clinical Cardiac Electrophysiology (1) · Emergency Medicine (1) · General Practice (1) · Geriatric Medicine (1) · Infectious Disease (1) · Interventional Cardiology (1) · Neurosurgery (1) · Pain Management (1) · Plastic and Reconstructive Surgery (1) · Preventive Medicine (1) · Pulmonary Disease (1)

Specialty links go to the specialty in Riverside-San Bernardino-Ontario, CA.

Clinicians affiliated with Riverside Medical Clinic Inc, 2024

Alphabetical by last name; 101–141 of 141.

NameSpecialtyCity
Cherkaleyna A Redder-Haga, DOFamily PracticeRiverside, CA
Isaac Reinherz, MDInternal MedicineRiverside, CA
Ryan F Ricks, DPMPodiatryCorona, CA
Jessie E Rollins, DOFamily PracticeRiverside, CA
Leonard N Sampath, MDFamily PracticeRiverside, CA
Javad SavojCardiologyRiverside, CA
Manouchehr Seyfzadeh, M.D., PH.D.DermatologyCorona, CA
Kareem Shahin, DOFamily PracticeRiverside, CA
Mohammad K Shahin, MDInternal MedicineCorona, CA
Samira ShokoorNurse PractitionerRiverside, CA
Mona Shroff, M.D.Diagnostic RadiologyRiverside, CA
Satbir K Singh, M.D.EndocrinologyRiverside, CA
Shern Sirisuk, DOFamily PracticeRiverside, CA
Muhammad J Sohel, MDInternal MedicineOrange, CA
Carla Soler, M.D.Family PracticeMurrieta, CA
Margaret Song, MDInternal MedicineRiverside, CA
Susrap Song, MDObstetrics & GynecologyRiverside, CA
Jimmy J Sun, MDOtolaryngologyCorona, CA
Hidehisa T Takei, MDGeneral SurgeryRiverside, CA
Karl Tanara, M.D.Internal MedicineRiverside, CA
Ricky P Tang, MDInternal MedicineRiverside, CA
David H Thio, MDInternal MedicineRiverside, CA
Carol Tillman, ODOptometryRiverside, CA
Michael A Tomkins, D.O.Family PracticeRiverside, CA
Estevan A Torrez Andia, MDInternal MedicineRiverside, CA
Joala Martha P Tubilleja-Arone, D.O.Family PracticeRiverside, CA
Kimberly Tustison, MDObstetrics & GynecologyCorona, CA
Robert Vela, D.O.Family PracticeRiverside, CA
Piyush R Viradia, MDFamily PracticeRiverside, CA
Christine A Vo, D.OGeneral PracticeRiverside, CA
John Webster, D.OEndocrinologyRiverside, CA
Marjorie T Wimmer, MDFamily PracticeRiverside, CA
Anita Wolf, FNPNurse PractitionerRiverside, CA
Benjamin K Yang, M.D.UrologyRiverside, CA
Nathan H Yen, MDFamily PracticeRiverside, CA
Alexander YeoDiagnostic RadiologyRiverside, CA
Elvin K Yeo, MDObstetrics & GynecologyRiverside, CA
Ennis Zaitoon, M.D.Internal MedicineCorona, CA
Afshin Zandpour, MDFamily PracticeTustin, CA
Xin Zhang, MDInternal MedicineRiverside, CA
Adam A Zuber, M.D.NeurologyCorona, 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