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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. Donald King, M.D.
Redding, CA · No drug or device payments recorded (2025) · (530) 243-1236
Dr. Don Chin, M.D.
Redding, CA · $510 in drug and device payments (2025) · (530) 243-1236
Dr. Ewa Bauer, M.D.
Redding, CA · No drug or device payments recorded (2025) · (530) 243-1236
Dr. Gregory Campion, M.D.
Redding, CA · No drug or device payments recorded (2025) · (530) 243-1236
Dr. Jonathan Jewkes, M.D.
Redding, CA · No drug or device payments recorded (2025) · (530) 243-1236
Dr. Jon Hohmeister, M.D.
Redding, CA · No drug or device payments recorded (2025) · (530) 243-1236
Dr. Marc Griffey, M.D.
Redding, CA · No drug or device payments recorded (2025) · (530) 243-1236
Dr. Mark Wallace, M.D.
Redding, CA · No drug or device payments recorded (2025) · (530) 243-1236
Dr. Patricia Hadley, M.D.
Redding, CA · No drug or device payments recorded (2025) · (530) 243-1236
Dr. Philip Baker, M.D.
Redding, CA · No drug or device payments recorded (2025) · (530) 243-1249
Dr. Reed Grabow, M.D.
Redding, CA · No drug or device payments recorded (2025) · (530) 243-1236
Dr. Rhonda Wyatt, M.D.
Redding, CA · No drug or device payments recorded (2025) · (530) 243-1236
Dr. Stephen Hecht, M.D.
Redding, CA · No drug or device payments recorded (2025) · (530) 226-1800
Dr. Abrar Khan, D.O., M.S.
Redlands, CA · No drug or device payments recorded (2025) · (909) 335-5500
Dr. Alex Kasraie, MD
Redlands, CA · No drug or device payments recorded (2025) · (909) 703-3311
Dr. Amanda Aguilera, M.D.
Redlands, CA · No drug or device payments recorded (2025) · (909) 793-3311
Dr. Bobby Bryant, M.D.
Redlands, CA · No drug or device payments recorded (2025) · (909) 793-3311
Dr. Dale Broome, M.D.
Redlands, CA · No drug or device payments recorded (2025) · (909) 793-3311
Dr. Frank Morgan, M.D.
Redlands, CA · No drug or device payments recorded (2025) · (909) 793-3311
Dr. James Wallman, M.D.
Redlands, CA · No drug or device payments recorded (2025) · (909) 793-3311
Dr. John Mortensen, M.D.
Redlands, CA · No drug or device payments recorded (2025) · (909) 793-3311
Dr. Joshua Wright, MD
Redlands, CA · No drug or device payments recorded (2025) · (909) 335-5500
Dr. Karen Wat, M.D.
Redlands, CA · No drug or device payments recorded (2025) · (909) 793-3311
Dr. Kerry Rold, M.D.
Redlands, CA · No drug or device payments recorded (2025) · (909) 793-3311
Dr. Kimberly Izvernari-im, M.D.
Redlands, CA · No drug or device payments recorded (2025) · (909) 793-3311
Dr. Robert Cimini, M.D.
Redlands, CA · No drug or device payments recorded (2025) · (909) 793-3311
Dr. Steven Sorenson, M.D.
Redlands, CA · No drug or device payments recorded (2025) · (909) 558-4756
Dr. Susan Spieller, MD
Redlands, CA · No drug or device payments recorded (2025) · (310) 351-0497
Dr. Szabolcs Mera, M.D.
Redlands, CA · No drug or device payments recorded (2025) · (909) 793-3311
Dr. Young Kim, MD
Redlands, CA · No drug or device payments recorded (2025) · (909) 793-3311
Dr. Carolyn Towler, M.D.
Redondo Beach, CA · No drug or device payments recorded (2025) · (952) 595-1100
Dr. Joseph Liu, M.D.
Redondo Beach, CA · $905 in drug and device payments (2025) · (313) 745-3433
Dr. Mark Diamond, MD
Redondo Beach, CA · No drug or device payments recorded (2025) · (310) 316-0811
Dr. Nancy Worthen, M.D.
Redondo Beach, CA · No drug or device payments recorded (2025) · (310) 316-0811
Dr. Rakhi Ram, MD
Redondo Beach, CA · No drug or device payments recorded (2025) · (310) 214-0811
Dr. Avani Gupta
Redwood City, CA · No drug or device payments recorded (2025) · (844) 357-3127
Dr. Damon Miller, MD
Redwood City, CA · No drug or device payments recorded (2025) · (650) 780-9900
Dr. Donald Chan, MD
Redwood City, CA · No drug or device payments recorded (2025) · (650) 299-3930
Dr. Kiren Jain, MD
Redwood City, CA · No drug or device payments recorded (2025) · (650) 261-2303
Dr. Radhika Dave, M.D.
Redwood City, CA · No drug or device payments recorded (2025) · (650) 306-3900
Dr. Ramon Quesada, M.D.
Redwood City, CA · No drug or device payments recorded (2025) · (650) 587-0831
Dr. Richard Wheat, M.D.
Redwood City, CA · No drug or device payments recorded (2025) · (650) 367-5536
Dr. Roopa Vemireddy, M.D.
Redwood City, CA · No drug or device payments recorded (2025) · (650) 299-2000
Dr. Sherry Butler, MD
Redwood City, CA · No drug or device payments recorded (2025) · (650) 299-2000
Dr. Todd Osinski, M.D.
Redwood City, CA · No drug or device payments recorded (2025) · (415) 652-0850
Dr. Vincent Burke, M.D.
Redwood City, CA · No drug or device payments recorded (2025) · (650) 637-5554
Dr. Yury Fayner, MD
Ridgecrest, CA · No drug or device payments recorded (2025) · (760) 446-1999
Dr. Ahmed Abdelhalim, MD
Riverside, CA · No drug or device payments recorded (2025) · (951) 788-3274
Dr. Ardavan Afshar, MD
Riverside, CA · No drug or device payments recorded (2025) · (951) 755-3400
Dr. Arianna Mcgehee, ARIANNA
Riverside, CA · No drug or device payments recorded (2025) · (951) 788-3274

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.

Related reading on HealthcareDiscovery.AI

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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.