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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. Craig Gomberg, MD
Inglewood, CA · No drug or device payments recorded (2025) · (310) 673-4660
Dr. Dipak Ranparia, MD
Inglewood, CA · $308 in drug and device payments (2025) · (310) 674-9300
Dr. Donald Boger, MD
Inglewood, CA · No drug or device payments recorded (2025) · (310) 673-4660
Dr. Donald Mayekawa, MD
Inglewood, CA · No drug or device payments recorded (2025) · (310) 673-4660
Dr. John Braunstein, M.D.
Inglewood, CA · No drug or device payments recorded (2025) · (818) 409-8000
Dr. Michael Dawson, MD
Inglewood, CA · $19 in drug and device payments (2025) · (310) 673-4660
Dr. Michael Shaub, MD
Inglewood, CA · No drug or device payments recorded (2025) · (310) 673-4660
Dr. Ronald Kingston, MD
Inglewood, CA · No drug or device payments recorded (2025) · (310) 673-4660
Dr. Walter Maynard, M.D.
Inglewood, CA · No drug or device payments recorded (2025) · (310) 671-9754
Dr. Adam Wootton, ARRT(R)(MR)
Irvine, CA · No drug or device payments recorded (2025) · (714) 928-7715
Dr. Ali Forootan, MD
Irvine, CA · No drug or device payments recorded (2025) · (214) 680-1490
Dr. Ammar Hindi, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (952) 595-1301
Dr. Bennett Gray, MD
Irvine, CA · $69 in drug and device payments (2025) · (800) 741-7629
Dr. Dina Ragheb, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (626) 256-4673
Dr. Donald Powers, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 824-5812
Dr. Glenn Slocum, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 725-6437
Dr. Hiren Dave, MD
Irvine, CA · $296 in drug and device payments (2025) · (949) 932-7125
Dr. Hossein Mehdikhani Karimabad, M.D.
Irvine, CA · $46 in drug and device payments (2025) · (847) 342-6842
Dr. Ian Tseng, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 870-9996
Dr. Jason Salsamendi, M.D.
Irvine, CA · $4,051 in drug and device payments (2025) · Telehealth · (949) 671-4673
Dr. Joseph Ugorji, D.O.
Irvine, CA · No drug or device payments recorded (2025) · (682) 888-0717
Dr. Judy Owens, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 671-4673
Dr. Maximilian Khatibi, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (952) 595-1100
Dr. Piers Pravdo, D.O
Irvine, CA · $72 in drug and device payments (2025) · (888) 333-4673
Dr. Ralph Marcus
Irvine, CA · $15 in drug and device payments (2025) · (949) 302-1362
Dr. Richard Taketa, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 417-1100
Dr. Salma Khan, M D.
Irvine, CA · $20 in drug and device payments (2025) · (949) 294-1550
Dr. William Feske, MD
Irvine, CA · No drug or device payments recorded (2025) · (952) 595-1100
Dr. Baxter Richardson, MD
Jackson, CA · No drug or device payments recorded (2025) · (209) 223-7560
Dr. Sean Kelley, M.D.
Jackson, CA · No drug or device payments recorded (2025) · (209) 223-7500
Dr. Phoebe Dann, M.D.
Kensington, CA · No drug or device payments recorded (2025) · (952) 595-1100
Dr. Charles Peterfy, M.D., PH.D.
Kentfield, CA · No drug or device payments recorded (2025) · (415) 461-2086
Dr. Susan Gootnick, M.D.
Kentfield, CA · No drug or device payments recorded (2025) · (952) 595-1100
Dr. Thomas Freed, M.D.
Kentfield, CA · No drug or device payments recorded (2025) · (415) 461-5684
Dr. Michael La Pointe
Ladera Ranch, CA · No drug or device payments recorded (2025) · (952) 595-1100
Dr. Lillian Orson, M.D.
Lafayette, CA · No drug or device payments recorded (2025) · (832) 264-1498
Dr. Yasmin Clark, M.D.
Lafayette, CA · No drug or device payments recorded (2025) · (973) 801-6322
Dr. Amir Ronaghi, M.D.
Laguna Beach, CA · $670 in drug and device payments (2025) · (949) 499-7195
Dr. Andrew Lazere, M.D.
Laguna Beach, CA · No drug or device payments recorded (2025) · (949) 499-7195
Dr. Elliott Fankuchen, M.D.
Laguna Beach, CA · No drug or device payments recorded (2025) · (949) 499-7195
Dr. Gerald Stevens, M.D.
Laguna Beach, CA · No drug or device payments recorded (2025) · (949) 499-7195
Dr. James Sutherland, M.D.
Laguna Beach, CA · No drug or device payments recorded (2025) · (949) 499-7195
Dr. Judith Rigby, M.D.
Laguna Beach, CA · No drug or device payments recorded (2025) · (949) 494-8816
Dr. Lokesh Arora, M.D.
Laguna Beach, CA · $369 in drug and device payments (2025) · (949) 499-7195
Dr. Richard Wasley, M.D.
Laguna Beach, CA · $25 in drug and device payments (2025) · (949) 499-7195
Dr. Robert Pompei, M.D.
Laguna Beach, CA · No drug or device payments recorded (2025) · (949) 499-7195
Dr. Tze-kong Meng, M.D.
Laguna Beach, CA · No drug or device payments recorded (2025) · (949) 499-7195
Dr. Andrew Malatskey, MD
Laguna Hills, CA · No drug or device payments recorded (2025) · (949) 855-4301
Dr. Angelique Floerke, MD
Laguna Hills, CA · No drug or device payments recorded (2025) · (949) 452-7200
Dr. Benjamin Lee, M.D.
Laguna Hills, CA · No drug or device payments recorded (2025) · (949) 452-3573

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.