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. Bhargav Raman, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 780-8725 Dr. Bilal Quadri, MDSan Jose, CA · $309 in drug and device payments (2025) ·
(408) 885-5000 Dr. Bo Yoon Ha, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-5000 Dr. Cam Tran, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-6370 Dr. Charles Griffin, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 947-2992 Dr. Christina ChenSan Jose, CA · $23 in drug and device payments (2025) ·
(909) 560-7275 Dr. Christopher Govea, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(669) 888-0001 Dr. Cynthia Sigler, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 371-0728 Dr. David Kramer, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 244-2100 Dr. Dienhong Tran, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-6370 Dr. Donald Fox, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 278-3370 Dr. Drew Sullivan, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 278-3310 Dr. Edward Kao, M.D.San Jose, CA · $101 in drug and device payments (2025) ·
(408) 231-0457 Dr. Edward Liu, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 371-0728 Dr. Ethan RadzinskySan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-5110 Dr. Gabriel Gonzalez, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-5000 Dr. Glenn Strome, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 244-2100 Dr. Henry Kleinberg, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 972-7000 Dr. James Crane, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 972-7000 Dr. Jennifer Leung, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-6370 Dr. John Lau, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-6370 Dr. John Noonan, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-6370 Dr. Jonathan Wehrend, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(303) 570-8343 Dr. Kei Hanafusa, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-6370 Dr. Keith Ford, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 371-0390 Dr. Keith Fraker, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-6370 Dr. Kenneth Hoffman, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 972-7000 Dr. Kesav Raghavan, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(888) 924-1036 Dr. Kevin Lee, M.D.San Jose, CA · $256 in drug and device payments (2025) ·
(408) 972-7000 Dr. Klaus Fechner, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 947-2992 Dr. Lee Fisher, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-6370 Dr. Linda Gordon, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 984-7226 Dr. Linda Izquierdo, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 972-7000 Dr. Long Trinh, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-5000 Dr. Marcos Alvarez, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 243-8333 Dr. Margaret Lee, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-6370 Dr. Maria Matsumoto, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 961-2649 Dr. Mary Wang, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-6370 Dr. Matthew Pasto, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 559-2146 Dr. Matthew Tran, M.D.San Jose, CA · $196 in drug and device payments (2025) ·
(408) 371-0728 Dr. Michael Myers, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(888) 318-8900 Dr. Michelle Lam, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(669) 365-0609 Dr. Mingming Ma, MDSan Jose, CA · $25 in drug and device payments (2025) ·
(408) 885-5000 Dr. Monica Zaucha, MDSan Jose, CA · $6,000 in drug and device payments (2025) ·
(408) 885-5000 Dr. Niv Decalo, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 259-5000 Dr. Philip Pattarelli, MDSan Jose, CA · $161 in drug and device payments (2025) ·
(408) 947-2992 Dr. Praveen Anchala, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-5000 Dr. Rajeev Tandon, M.D.San Jose, CA · $893 in drug and device payments (2025) · Telehealth ·
(408) 371-0728 Dr. Ran PangSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-6365 Dr. Richard Silberstein, MDSan Jose, CA · $526 in drug and device payments (2025) ·
(408) 885-6370 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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