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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. Ashley Lotfipour, M.D., M.B.A.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 645-3534
Dr. Binh Nguyen, MD
Newport Beach, CA · $57 in drug and device payments (2025) · (949) 645-3534
Dr. Frederick Birnberg, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 764-5570
Dr. Gerard Nguyen, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 764-5570
Dr. Ibrihim Hirbawi, MD
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 760-3025
Dr. Iris Choo, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 764-5570
Dr. Jason Liu, MD.
Newport Beach, CA · $284 in drug and device payments (2025) · (714) 507-8101
Dr. Jay Lichman, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 764-5570
Dr. Jeffrey Weitz
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 854-2294
Dr. Jennifer Overstreet, M.D.
Newport Beach, CA · $808 in drug and device payments (2025) · (949) 645-3534
Dr. Karence Chan, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 263-8620
Dr. Leena Tekchandani, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 645-3534
Dr. Linh Bui, M.D.
Newport Beach, CA · $125 in drug and device payments (2025) · (949) 646-4400
Dr. Luke Cheung, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 764-5570
Dr. Margaret Yago, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 719-3600
Dr. Mark Chen, M.D.
Newport Beach, CA · $100 in drug and device payments (2025) · (949) 764-5570
Dr. Marnie Kremer Prill, MD
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 645-3534
Dr. Maureen Jensen, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 764-5570
Dr. Mehdi Soleimanpour, MD
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 999-2950
Dr. Melissa Yu, MD
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 764-5770
Dr. Michael Brant-zawadzki, MD
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 764-5570
Dr. Miles Chang, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 764-5570
Dr. Nader Morcos, MD
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 760-3025
Dr. Nicolas Von Dem Bussche, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 263-8620
Dr. Peggy Pugh, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 645-3534
Dr. Peter Giuliano, M.D.
Newport Beach, CA · $408 in drug and device payments (2025) · (949) 760-5570
Dr. Ralph Uri, MD
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 760-3025
Dr. Richard Rhee, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 764-5570
Dr. Roger Thomas, M.D.
Newport Beach, CA · $30 in drug and device payments (2025) · (949) 764-5570
Dr. Saghi Samadi, M.D.
Newport Beach, CA · $163 in drug and device payments (2025) · (949) 645-3534
Dr. Salma Mikhail, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 244-4033
Dr. Shaya Ghazinoor, MD
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 645-3534
Dr. Stephen Sholkoff, MD
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 642-2802
Dr. Susan Roux, M.D.
Newport Beach, CA · $99 in drug and device payments (2025) · (949) 263-8620
Dr. Thomas Velling, M.D.
Newport Beach, CA · $928 in drug and device payments (2025) · (949) 764-5570
Dr. Thuan Tran, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 764-5570
Dr. Vinh Nguyen, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (888) 762-4127
Dr. Wallace Peck, M.D.
Newport Beach, CA · $84 in drug and device payments (2025) · (949) 764-5570
Dr. William Vandalsem, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 764-5570
Dr. Wilson Lin-saunders, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 645-3534
Dr. Winston Whitney, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 764-5570
Dr. Susan Park, M.D.
Newport Coast, CA · $154 in drug and device payments (2025) · (952) 595-1100
Dr. Kenneth Pacofsky, M.D.
Nipomo, CA · No drug or device payments recorded (2025) · (805) 895-8776
Dr. Rajnikant Bakhda, MD
North Hills, CA · No drug or device payments recorded (2025) · (818) 895-9345
Dr. Babak Shayestehfar, M.D.
North Hollywood, CA · No drug or device payments recorded (2025) · (818) 301-6700
Dr. Farhad Houriani, M.D.
North Hollywood, CA · $556 in drug and device payments (2025) · (818) 301-6700
Dr. Stephanie Chiu, M.D.
North Hollywood, CA · $15 in drug and device payments (2025) · (818) 301-6700
Dr. Anish Patel, M.D.
Northridge, CA · No drug or device payments recorded (2025) · (818) 435-1433
Dr. Barry Rothman, M.D.
Northridge, CA · No drug or device payments recorded (2025) · (818) 885-8500
Dr. Barry Wilen, M.D.
Northridge, CA · No drug or device payments recorded (2025) · (818) 831-3227

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.