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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. Steven Epner, MD
Oceanside, CA · No drug or device payments recorded (2025) · (760) 940-4055
Dr. William Johnson, M.D.
Oceanside, CA · No drug or device payments recorded (2025) · (760) 547-8000
Dr. Bertrand Janne D'othee, M.D.
Ontario, CA · No drug or device payments recorded (2025) · (909) 481-3242
Dr. Adam Cohen, D.O.
Orange, CA · No drug or device payments recorded (2025) · (718) 960-9000
Dr. Ali Mohammadzadeh Kouhpareh
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7237
Dr. Ali Sharif, MD
Orange, CA · $113 in drug and device payments (2025) · (714) 266-8575
Dr. Amir Imanzadeh, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 880-7812
Dr. Andrew Fleck, M.D.
Orange, CA · $16 in drug and device payments (2025) · (714) 880-7812
Dr. Andrew Knoll, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 538-6731
Dr. Andrew Lee, M.D.
Orange, CA · $21 in drug and device payments (2025) · (714) 456-7273
Dr. Ankit Patel, D.O.
Orange, CA · $35 in drug and device payments (2025) · (714) 456-5113
Dr. Ann Rowley, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7237
Dr. Antony Minasaghanian, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-6595
Dr. Arash Anavim, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 880-7812
Dr. Asha Goud, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-6579
Dr. Asmar Ghani, MD
Orange, CA · $129 in drug and device payments (2025) · (714) 456-6595
Dr. Barry Paull, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 538-6731
Dr. Ben Sadeghi
Orange, CA · No drug or device payments recorded (2025) · (718) 270-3302
Dr. Bienvenida Serrano-cruz, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8978
Dr. Bilal Khan, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890
Dr. Brent Olson, MD
Orange, CA · $161 in drug and device payments (2025) · (714) 456-7237
Dr. Cagin Senturk, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8068
Dr. Cato Chan
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7237
Dr. Christina Le, DO
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890
Dr. Christopher Lee, M.D.
Orange, CA · $13 in drug and device payments (2025) · (714) 456-6579
Dr. Daniel Weissberg, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 538-6731
Dr. Dan Vu, M.D.
Orange, CA · $24 in drug and device payments (2025) · (714) 538-6731
Dr. David Karlin, M.D.
Orange, CA · $30 in drug and device payments (2025) · (714) 538-6731
Dr. Deniz Urgun, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7002
Dr. Duane Vajgrt, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8978
Dr. Dvora Cyrlak, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8978
Dr. Dylan Denault, DO
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890
Dr. Elizabeth Cambray-forker, D.O.
Orange, CA · No drug or device payments recorded (2025) · (714) 538-6731
Dr. Emily Zheng, MD, DDS
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890
Dr. Eugene Shin
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890
Dr. Fong Tsai, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8978
Dr. Fred Greensite, MD
Orange, CA · No drug or device payments recorded (2025) · (424) 313-4589
Dr. Gemmy Hannsun, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888
Dr. Gregory Herting, DO
Orange, CA · $20 in drug and device payments (2025) · (714) 456-8888
Dr. Hamed Farid, M.D.
Orange, CA · $709 in drug and device payments (2025) · Telehealth · (714) 880-7812
Dr. Hamid Chalian, M.D.
Orange, CA · $3,502 in drug and device payments (2025) · (714) 456-8888
Dr. Hieu Truong, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 538-6731
Dr. Howard Dorne, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 560-4450
Dr. Hyung Kang, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 997-4762
Dr. Hyung Won Choi, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7237
Dr. Irene Tsai, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-2235
Dr. Jamshid Tehranzadeh, MD
Orange, CA · $25 in drug and device payments (2025) · (714) 456-8978
Dr. Jane Conlin, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 880-7812
Dr. Jason Pang, M.D.
Orange, CA · $138 in drug and device payments (2025) · (714) 541-0101
Dr. Jeff Janes, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8978

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.