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 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. Elloitt Mercer, M.D.Laguna Hills, CA · No drug or device payments recorded (2025) ·
(949) 452-3573 Dr. Eugene Huo, M.D.Laguna Hills, CA · $651 in drug and device payments (2025) ·
(949) 837-4500 Dr. Gary Levine, M.D.Laguna Hills, CA · $51 in drug and device payments (2025) ·
(949) 452-7200 Dr. George Wu, DOLaguna Hills, CA · No drug or device payments recorded (2025) ·
(949) 837-4500 Dr. Gretchen Conroy, M.D.Laguna Hills, CA · No drug or device payments recorded (2025) ·
(499) 452-7200 Dr. James Tagle, M.D.Laguna Hills, CA · No drug or device payments recorded (2025) ·
(949) 452-3573 Dr. James Wong, M.D.Laguna Hills, CA · $272 in drug and device payments (2025) ·
(949) 452-3573 Dr. Jeremy Szymanowski, M.D.Laguna Hills, CA · No drug or device payments recorded (2025) ·
(949) 263-8620 Dr. Jon Loo, MDLaguna Hills, CA · $424 in drug and device payments (2025) ·
(949) 452-3573 Dr. Karen Reuss, M.D.Laguna Hills, CA · No drug or device payments recorded (2025) ·
(949) 452-7200 Dr. Lauralyn Markle, M.D.Laguna Hills, CA · No drug or device payments recorded (2025) ·
(949) 452-7200 Dr. Nancy Bucciarelli, M.D.Laguna Hills, CA · No drug or device payments recorded (2025) ·
(949) 464-0470 Dr. Nicole Lewis, MDLaguna Hills, CA · No drug or device payments recorded (2025) ·
(949) 452-7200 Dr. Samantha Kubaska, M.D.Laguna Hills, CA · No drug or device payments recorded (2025) ·
(949) 452-7200 Dr. William Fields, MDLaguna Hills, CA · No drug or device payments recorded (2025) ·
(949) 855-4301 Dr. Fouad Panah, M.DLaguna Niguel, CA · No drug or device payments recorded (2025) ·
(949) 436-0717 Dr. Robert Amato, M.D.Laguna Niguel, CA · No drug or device payments recorded (2025) ·
(949) 493-4156 Dr. August Hofling, MD, PHDLaguna Woods, CA · No drug or device payments recorded (2025) ·
(949) 583-9264 Dr. Pearl Evelo, R.T. (MR)(ARRT)Laguna Woods, CA · No drug or device payments recorded (2025) ·
(949) 586-3200 Dr. Benjamin Huang, M.D.La Habra, CA · $40 in drug and device payments (2025) ·
(562) 691-5118 Dr. Adam Baker, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 554-2626 Dr. Alvin Wyatt, MDLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 554-2626 Dr. Amy Wu, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 554-2626 Dr. Anila Jonnala, M.D.La Jolla, CA · $46 in drug and device payments (2025) ·
(858) 554-2626 Dr. Ann Nguyen, MDLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 554-2626 Dr. Antoinette Roth, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 554-2626 Dr. Arghavan Sharifi, MDLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 554-9021 Dr. Avanee Peel, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 457-8420 Dr. Charles Liu, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 626-4520 Dr. Christine Ghatan, MDLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 554-2626 Dr. David Kakish, MDLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 554-2626 Dr. David Naugle, MDLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 626-7275 Dr. David Sobel, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 554-2626 Dr. Dennis Thurston, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 554-2626 Dr. Dolores Pretorius, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 657-6698 Dr. Elka Rubin, MDLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 534-2230 Dr. George Wesbey, M.D.La Jolla, CA · $324 in drug and device payments (2025) ·
(858) 626-7275 Dr. Gianni GiancasproLa Jolla, CA · No drug or device payments recorded (2025) ·
(514) 924-2713 Dr. Harry Knowles, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 554-2626 Dr. Haydee Ojeda-fournier, MDLa Jolla, CA · $127 in drug and device payments (2025) ·
(858) 822-6121 Dr. Hoda ShirazianLa Jolla, CA · No drug or device payments recorded (2025) ·
(818) 224-8469 Dr. Jerome Pierce, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 626-7275 Dr. Joud AlmogatiLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 657-7025 Dr. Karl Lindholm, MDLa Jolla, CA · No drug or device payments recorded (2025) ·
(650) 823-0735 Dr. Kendall Martin, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 626-7575 Dr. Kevin Ishioka, M.DLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 626-7575 Dr. Kristina Kjeldsberg, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 554-2626 Dr. Kris Van Lom, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 626-7275 Dr. Lee Wang, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 534-3880 Dr. Lida Chaipat, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 626-7275 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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