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Diagnostic Radiologists in California

Data updated monthly · Last refresh October 2026

4,516 Diagnostic Radiology providers practice in California, including 50 (1%) offering telehealth. The largest concentration is in Los Angeles. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

4,516providers
50telehealth
Los Angelestop city

Diagnostic Radiology by city in California

Choose a city to see providers there.

Diagnostic Radiology in Los Angeles594 providers
Diagnostic Radiology in San Diego377 providers
Diagnostic Radiology in San Francisco335 providers
Diagnostic Radiology in Stanford235 providers
Diagnostic Radiology in Sacramento233 providers
Diagnostic Radiology in Orange120 providers
Diagnostic Radiology in Walnut Creek99 providers
Diagnostic Radiology in Loma Linda74 providers
Diagnostic Radiology in Santa Barbara74 providers
Diagnostic Radiology in Palo Alto69 providers
Diagnostic Radiology in La Jolla69 providers
Diagnostic Radiology in San Jose69 providers
Diagnostic Radiology in Oakland68 providers
Diagnostic Radiology in Long Beach64 providers
Diagnostic Radiology in Torrance64 providers
Diagnostic Radiology in Modesto60 providers
Diagnostic Radiology in Fresno58 providers
Diagnostic Radiology in Santa Monica55 providers
Diagnostic Radiology in El Segundo50 providers
Diagnostic Radiology in West Hollywood45 providers
Diagnostic Radiology in Santa Rosa45 providers
Diagnostic Radiology in Newport Beach43 providers
Diagnostic Radiology in Bakersfield41 providers
Diagnostic Radiology in Beverly Hills37 providers

Diagnostic Radiology providers in California

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Preya Shah, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1968
Dr. Priyanka Garigipati, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 476-1000
Dr. Pwint Khine, D.O.
San Francisco, CA · No drug or device payments recorded (2025) · (628) 206-8020
Dr. Rajath Ramegowda, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 476-1547
Dr. Rajiv Sawhney, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1079
Dr. Rana Gordji, MD
San Francisco, CA · $46 in drug and device payments (2025) · (415) 476-1000
Dr. Raymond Cummins, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 750-6025
Dr. Raymond Sze, MD
San Francisco, CA · $1,868 in drug and device payments (2025) · (415) 476-1537
Dr. Rebecca Smith-bindman, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 885-7511
Dr. Redmond-craig Anderson
San Francisco, CA · No drug or device payments recorded (2025) · (415) 514-5681
Dr. Reema Agarwal, MD
San Francisco, CA · $35 in drug and device payments (2025) · (415) 353-9056
Dr. Richard Breiman, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1374
Dr. Richard Brenner, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 885-7898
Dr. Rina Patel, M.D.
San Francisco, CA · $262 in drug and device payments (2025) · (859) 608-8781
Dr. Rishabh Agarwal, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-9056
Dr. Rita Freimanis, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 885-7464
Dr. Robert Dionisio, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-2887
Dr. Robert Hill, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-9056
Dr. Robert Kerlan, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1300
Dr. Robert Pakter, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 471-7960
Dr. Roger Eng, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 677-2320
Dr. Rohil Malpani, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-2887
Dr. Ronald Arenson, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 476-1537
Dr. Roy Filly, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1628
Dr. Roy Gordon, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1300
Dr. Rudolf Thoeni, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 206-5871
Dr. Ruth Goldstein, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1963
Dr. Ryan Navarro, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 476-8358
Dr. Ryan Sieberg
San Francisco, CA · No drug or device payments recorded (2025) · (628) 206-8020
Dr. Sami Haddad, MD
San Francisco, CA · $19 in drug and device payments (2025) · (415) 476-2817
Dr. Sarah Nobles
San Francisco, CA · No drug or device payments recorded (2025) · (628) 206-8020
Dr. Sara Khademi, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1468
Dr. Sartaaj Walia, MD
San Francisco, CA · $386 in drug and device payments (2025) · (415) 502-2673
Dr. Sayedomid Ebrahimzadeh, MD, FRCPC
San Francisco, CA · No drug or device payments recorded (2025) · (415) 502-2673
Dr. Scott Tanghe, DO
San Francisco, CA · $46 in drug and device payments (2025) · (415) 353-2887
Dr. Scott Werden, M.D.
San Francisco, CA · $21 in drug and device payments (2025) · (415) 922-6767
Dr. Sean Cullen, M.D.
San Francisco, CA · $248 in drug and device payments (2025) · (415) 353-1468
Dr. Sean Lee, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 885-7464
Dr. Seerat Aziz, MBBS
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1468
Dr. Seyed-karim Taghaddos, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (313) 598-4798
Dr. Shinn-huey Chou
San Francisco, CA · No drug or device payments recorded (2025) · (628) 206-8020
Dr. Shiva Badiee, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1821
Dr. Shravan Sridhar
San Francisco, CA · No drug or device payments recorded (2025) · (415) 514-5681
Dr. Shuja Rayaz, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-9056
Dr. Sina Houshmand, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (628) 206-8020
Dr. Sonja Moelleken, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 533-6322
Dr. Stephanie Nguyen, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 502-2673
Dr. Stephen Benzian, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-6390
Dr. Steven Ominsky, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-2666
Dr. Sujal Nanavati, M.D.
San Francisco, CA · $150 in drug and device payments (2025) · (415) 353-1468

Common questions

How many Diagnostic Radiology providers are in California?

There are 4,516 Diagnostic Radiology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Diagnostic Radiology providers in California offer telehealth?

Yes. 50 of the 4,516 Diagnostic Radiology providers in California (about 1%) report offering telehealth services in CMS data.

Which cities in California have the most Diagnostic Radiology providers?

Los Angeles (594), San Diego (377), San Francisco (335) have the highest concentration of Diagnostic Radiology providers in California.

How many Diagnostic Radiology providers in California received drug or device company payments?

917 of 4,516 Diagnostic Radiology providers in California (20%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Diagnostic Radiologists in California work in independent practices or large health systems?

Among 2,842 Diagnostic Radiologists in California enrolled in Medicare, 6% bill through a solo or small practice with fewer than 10 clinicians, 16% through a mid-size group of 10 to 99, and 78% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Diagnostic Radiologists in California work at?

According to CMS facility affiliation records, the California hospitals where the most Diagnostic Radiologists hold privileges are UCSF Medical Center in San Francisco; UC San Diego Health Hillcrest - Hillcrest Med Ctr in San Diego; Uci Health-Orange in Orange.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Diagnostic Radiology in California? Get featured.