HealthcareDiscovery.AI / Doctors / California / Diagnostic Radiology

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. Harry Ellison, MD
La Mesa, CA · No drug or device payments recorded (2025) · (619) 461-1830
Dr. James Jacobsen, MD
La Mesa, CA · $335 in drug and device payments (2025) · (619) 461-1830
Dr. Jenna Liu, MD
La Mesa, CA · No drug or device payments recorded (2025) · (619) 461-1830
Dr. Jon Ellison, M.D.
La Mesa, CA · No drug or device payments recorded (2025) · (619) 460-2774
Dr. Juan Carlos Vera, M.D.
La Mesa, CA · $22 in drug and device payments (2025) · (619) 740-4008
Dr. Luis Maas, MD
La Mesa, CA · No drug or device payments recorded (2025) · (619) 461-1830
Dr. Michael Khanjyan
La Mesa, CA · $598 in drug and device payments (2025) · (619) 740-4005
Dr. Peter Yang, M.D.
La Mesa, CA · No drug or device payments recorded (2025) · (619) 461-1830
Dr. Scott Honowitz, M.D.
La Mesa, CA · No drug or device payments recorded (2025) · (619) 740-4005
Dr. Stanley Rapoport, MD
La Mesa, CA · No drug or device payments recorded (2025) · (619) 461-1830
Dr. Tere Trout, MD
La Mesa, CA · No drug or device payments recorded (2025) · (619) 461-1830
Dr. Thomas Brannigan, MD
La Mesa, CA · $72 in drug and device payments (2025) · (619) 461-1830
Dr. Thomas Kilcheski, M.D.
La Mesa, CA · No drug or device payments recorded (2025) · (619) 461-1830
Dr. Valentin Lance, MD
La Mesa, CA · No drug or device payments recorded (2025) · (800) 841-5200
Dr. Vijay Venkatesh, MD
La Mesa, CA · $194 in drug and device payments (2025) · (619) 461-1830
Dr. Weiling Chang, M.D.
La Mesa, CA · No drug or device payments recorded (2025) · (619) 461-1830
Dr. William Renert, M.D.
La Mesa, CA · No drug or device payments recorded (2025) · (619) 460-2770
Dr. Andrew Deutsch, M.D.
Lancaster, CA · $88 in drug and device payments (2025) · (661) 949-5000
Dr. Annette Ho, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 729-4431
Dr. Daniel Brunengraber, M.D.
Lancaster, CA · $300 in drug and device payments (2025) · (661) 949-5720
Dr. David Lask, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 949-5000
Dr. Harun Ozer, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 949-5720
Dr. Jennifer Hill, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 949-5000
Dr. Marie Mccombs, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 949-5000
Dr. Mark Beller, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 949-5000
Dr. Michael Diament, MD
Lancaster, CA · No drug or device payments recorded (2025) · (805) 577-2179
Dr. Mohammad Kazemaini Mofrad, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 951-2826
Dr. Ray Hashemi, MD PHD
Lancaster, CA · $14 in drug and device payments (2025) · (661) 949-8111
Dr. Vu Bui, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 726-6050
Dr. William Hooks, MD
La Puente, CA · No drug or device payments recorded (2025) · (951) 255-9568
Dr. Edward Beron, M.D.
La Quinta, CA · No drug or device payments recorded (2025) · (760) 564-6383
Dr. Jay Protass, M.D.
La Quinta, CA · No drug or device payments recorded (2025) · (760) 399-6753
Dr. Robert Reinke, MD
La Quinta, CA · No drug or device payments recorded (2025) · (760) 833-6360
Dr. James Gorder, M.D,
Larkspur, CA · No drug or device payments recorded (2025) · (415) 924-6486
Dr. Thomas Atkin, M.D.
Larkspur, CA · No drug or device payments recorded (2025) · (415) 924-9484
Dr. Reilly Zenk, DO
Lemoore, CA · No drug or device payments recorded (2025) · (559) 998-2834
Dr. Adam Woodyard, DO
Lodi, CA · No drug or device payments recorded (2025) · (209) 334-3411
Dr. Daniel Terry, MD
Lodi, CA · No drug or device payments recorded (2025) · (209) 334-4416
Dr. Eric Yasumoto, M.D.
Lodi, CA · No drug or device payments recorded (2025) · (209) 334-4416
Dr. Frank Hartwick, MD
Lodi, CA · No drug or device payments recorded (2025) · (209) 334-4416
Dr. Grant Rogero, MD
Lodi, CA · No drug or device payments recorded (2025) · (209) 334-4416
Dr. Laszlo Fodor, MD
Lodi, CA · No drug or device payments recorded (2025) · (209) 334-4416
Dr. Maxine Del Paine, MD
Lodi, CA · No drug or device payments recorded (2025) · (209) 334-4416
Dr. Michael Rigdon, MD
Lodi, CA · No drug or device payments recorded (2025) · (209) 334-4416
Dr. Richard Rankin, MD
Lodi, CA · No drug or device payments recorded (2025) · (209) 334-4416
Dr. Roger Vincent, MD
Lodi, CA · No drug or device payments recorded (2025) · (209) 334-4416
Dr. Alexander Cho
Loma Linda, CA · $2,982 in drug and device payments (2025) · (909) 558-7814
Dr. Alexander Usmanov, MD
Loma Linda, CA · No drug or device payments recorded (2025) · (909) 558-8131
Dr. Alex Yi, MD
Loma Linda, CA · No drug or device payments recorded (2025) · (909) 263-4600
Dr. Arthur Chang, M.D.
Loma Linda, CA · No drug or device payments recorded (2025) · (909) 825-7084

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

Diagnostic Radiology in all 50 states Search all 4,516 in the directory Ask Zach for help choosing

Related

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.