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. Abe Shaikh, MDMonterey Park, CA · No drug or device payments recorded (2025) ·
(646) 265-1992 Dr. Aldric Shim, MDMonterey Park, CA · No drug or device payments recorded (2025) ·
(888) 888-8888 Dr. Kok Lee, M.D.Monterey Park, CA · No drug or device payments recorded (2025) ·
(626) 288-8029 Dr. Tomislav Leskovar, M.D.Moraga, CA · No drug or device payments recorded (2025) ·
(925) 376-0340 Dr. Adam Basiago, MDMoreno Valley, CA · No drug or device payments recorded (2025) ·
(833) 574-2273 Dr. Bryon Thomson, D.O.Moreno Valley, CA · $20 in drug and device payments (2025) ·
(951) 486-4100 Dr. Christopher Nguyen, M.D.Moreno Valley, CA · $49 in drug and device payments (2025) ·
(951) 486-4000 Dr. David Liu, M.D.Moreno Valley, CA · $20 in drug and device payments (2025) ·
(951) 486-4000 Dr. Jeanine Mcneill, M.D.Moreno Valley, CA · $20 in drug and device payments (2025) ·
(909) 486-4000 Dr. John Sanico, M.D.Moreno Valley, CA · No drug or device payments recorded (2025) ·
(951) 486-4000 Dr. Lisa Mahoney, MDMoreno Valley, CA · $114 in drug and device payments (2025) ·
(951) 486-4072 Dr. Monika Kief-garcia, M.D.Moreno Valley, CA · $58 in drug and device payments (2025) ·
(951) 486-4000 Dr. Nader Matloubi, M.DMoreno Valley, CA · No drug or device payments recorded (2025) ·
(951) 242-2508 Dr. Andrew Campion, MDMountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7700 Dr. Ania Azziz, M.D.Mountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7700 Dr. Aren Vierra, MDMountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7700 Dr. Bryan Chan, M.D.Mountain View, CA · $568 in drug and device payments (2025) ·
(650) 934-7700 Dr. Bryan Hwang, MDMountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7700 Dr. Christopher Hyde, MDMountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7700 Dr. Cindy Leong, MDMountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7700 Dr. Colin ChoMountain View, CA · No drug or device payments recorded (2025) ·
(408) 739-6000 Dr. Corito Tolentino, MDMountain View, CA · No drug or device payments recorded (2025) ·
(650) 404-8333 Dr. Daniel Stucker, M.D.Mountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7700 Dr. Eric FooMountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7700 Dr. Felix Adler, M.D.Mountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7000 Dr. James Cowan, MDMountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7700 Dr. Jiajing Liu, MDMountain View, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Lisa Hwong, M.D.Mountain View, CA · $96 in drug and device payments (2025) ·
(650) 964-1505 Dr. Lydia Delaney-sathy, MDMountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7700 Dr. Mark Sun, M.D.Mountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7700 Dr. Michael Chiou, M.D.Mountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7000 Dr. Neha Vibhakar, MDMountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7700 Dr. Peter Jun, M.D.Mountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7700 Dr. Santosh BhatiMountain View, CA · No drug or device payments recorded (2025) ·
(408) 739-6000 Dr. Stephanie Jun, M.D.Mountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7700 Dr. Torben Kristensen, M.D.Mountain View, CA · No drug or device payments recorded (2025) ·
(650) 934-7700 Dr. Zhixi Li, M.D.Mountain View, CA · No drug or device payments recorded (2025) ·
(800) 470-0071 Dr. Carrie Carlin, MDMount Shasta, CA · No drug or device payments recorded (2025) ·
(530) 926-9335 Dr. Scott Bleazard, MDMt Shasta, CA · No drug or device payments recorded (2025) ·
(530) 926-9329 Dr. Bradley Griffeth, M.D.Murrieta, CA · No drug or device payments recorded (2025) ·
(866) 419-3372 Dr. Andrew Nicks, MDNapa, CA · No drug or device payments recorded (2025) ·
(707) 252-4411 Dr. Benjamin Vanderzwaag, M.D.Napa, CA · No drug or device payments recorded (2025) ·
(707) 256-3800 Dr. Bruce Troup, M.D.Napa, CA · No drug or device payments recorded (2025) ·
(707) 252-4633 Dr. Christopher Schultz, M.D. Dr. Daniel Bunnell, MDNapa, CA · No drug or device payments recorded (2025) ·
(707) 252-4633 Dr. Benjamin Orejudos, MDNational City, CA · No drug or device payments recorded (2025) ·
(619) 470-4190 Dr. Xavier Hernandez, RTNational City, CA · No drug or device payments recorded (2025) ·
(619) 477-4934 Dr. Anthony Stauffer, MDNewport Beach, CA · No drug or device payments recorded (2025) ·
(949) 646-4400 Dr. Arvinderpaul Sarai, M.D.Newport Beach, CA · No drug or device payments recorded (2025) ·
(949) 316-4468 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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