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. Stephanie Chang, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Stephanie Hou, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Stephen Hugdal, MDStanford, CA · $3,577 in drug and device payments (2025) ·
(650) 723-4000 Dr. Steven Kwong, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 725-8737 Dr. Steven Poplack, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Stuart Stein, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Sunita Pal, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Sunny Rishi, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Sydney Litt, MDStanford, CA · $66 in drug and device payments (2025) ·
(650) 479-5415 Dr. Tara Morgan, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-7857 Dr. Terrence Jao, MD,PHDStanford, CA · $22 in drug and device payments (2025) ·
(650) 723-4000 Dr. Terry Desser, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Thomas Yang, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Thomas Yohannan, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. T Singh, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Tust TechasithStanford, CA · $4,377 in drug and device payments (2025) ·
(650) 723-4000 Dr. Ulrich Willi, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 498-5710 Dr. Uzma Waheed, MDStanford, CA · $700 in drug and device payments (2025) ·
(650) 723-4000 Dr. Veit Sandfort, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Vera Mayercik, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Vikas Thondapu, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Vipul Sheth, MDStanford, CA · $2,751 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Weiya Mu, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Wendy Demartini, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Wilfred Manzano, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Wilson Chavez, MDStanford, CA · $169 in drug and device payments (2025) ·
(650) 723-4000 Dr. Xiao Bi, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Yangchun Li, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Yehia Elguindy, M.DStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Yingding Xu, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Yingzhen Zhang, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Yoan Kagoma, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-8463 Dr. Yosef Chodakiewitz, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Yueyi Liu, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 387-0937 Dr. Yuntong Ma, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Ziang Lu, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Zina Zarshenas Payman, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 723-7426 Dr. Zoe Doyle, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4927 Dr. Bolar Rao, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 476-2000 Dr. Charles Stillman, D.O.Stockton, CA · No drug or device payments recorded (2025) ·
(209) 467-1000 Dr. Daniel Dietrich, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 467-1000 Dr. David Bowen, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 476-2000 Dr. Jack Funamura, M.D.Stockton, CA · No drug or device payments recorded (2025) ·
(209) 466-2000 Dr. Michael Kobayashi, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 475-9871 Dr. Nazar Alsaffar, MDStockton, CA · No drug or device payments recorded (2025) ·
(903) 465-1857 Dr. Pavan Khanna, M.D.Stockton, CA · $9,561 in drug and device payments (2025) ·
(209) 467-6363 Dr. William Federal, M.D.Stockton, CA · No drug or device payments recorded (2025) ·
(209) 467-1000 Dr. Wuyen David Huang, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 476-2000 Dr. Monica Amantia, M.D.Studio City, CA · No drug or device payments recorded (2025) ·
(310) 592-9012 Dr. Robert Barnes, M.D.Studio City, CA · No drug or device payments recorded (2025) ·
(818) 763-7747 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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