Clinicians affiliated with Santa Rosa Imaging Medical Center

21 clinicians on file with this group · most practice in Los Angeles-Long Beach-Anaheim, CA · PAC ID 2567408859

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

20 clinicians affiliated with Santa Rosa Imaging Medical Center are in the 2024 Medicare Part B data, 20 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 · Diagnostic Radiology (17) · Cardiology (1) · Interventional Radiology (1) · Nuclear Medicine (1)

Specialty links go to the specialty in Los Angeles-Long Beach-Anaheim, CA.

Clinicians affiliated with Santa Rosa Imaging Medical Center, 2024

Alphabetical by last name; 20.

NameSpecialtyCity
Douglas H Brown, M.D.Diagnostic RadiologyLos Angeles, CA
Michael W Brown, MDInterventional RadiologySacramento, CA
Patrick D Browning, M.D.Diagnostic RadiologySacramento, CA
Michael G Coords, MDDiagnostic RadiologyBeverly Hills, CA
Oliver A Cvitanic, M.D.Diagnostic RadiologyOklahoma City, OK
Sanjay C Dhar, MDCardiologySanta Rosa, CA
Michael C Dumars, M.D.Diagnostic RadiologyModesto, CA
Christopher R Kauffman, M.D.Diagnostic RadiologyBoise, ID
Benjamin J Lesar, M.D.Diagnostic RadiologySanta Monica, CA
John J Mcgovern, M.D.Diagnostic RadiologySanta Rosa, CA
Giang Nguyen, MDNuclear MedicineSanta Barbara, CA
Chukwuemeka K Okoro, MDDiagnostic RadiologyPorter Ranch, CA
Craig A Polson, M.D.Diagnostic RadiologySanta Rosa, CA
Paul Raper, M.D.Diagnostic RadiologyLos Angeles, CA
Robert J Schier, M.D.Diagnostic RadiologyConcord, CA
Jason R Sinner, M.D.Diagnostic RadiologyBurbank, CA
David W Stoller, M.D.Diagnostic RadiologySan Francisco, CA
Seyed-Karim Taghaddos, M.D.Diagnostic RadiologySan Francisco, CA
Felipe UrdanetaDiagnostic RadiologyNew Rochelle, NY
Vanja Varenika, M.D.Diagnostic RadiologyLos Angeles, CA

Practice locations

Listed practice locations in California, Idaho, Ohio.

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