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. Richard Turner, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 947-2992 Dr. Robert Filpi, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 244-2100 Dr. Shawn Van Bockel, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-6370 Dr. Silaja Yitta, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 871-5250 Dr. Snehal Adodra, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-5000 Dr. Sridhar Reddi, MDSan Jose, CA · $18 in drug and device payments (2025) ·
(408) 972-7000 Dr. Stephanie Lin, M.D.San Jose, CA · $106 in drug and device payments (2025) ·
(408) 885-5110 Dr. Vanessa Starr, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-5000 Dr. Weichung Liu, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 358-6881 Dr. Wendy Zenzen, M.D.San Jose, CA · No drug or device payments recorded (2025) ·
(408) 559-2146 Dr. Willis Huang, M.D. PHDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 961-2649 Dr. Young Kang, MDSan Jose, CA · No drug or device payments recorded (2025) ·
(408) 885-6346 Dr. Barbara Schmitz, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-7300 Dr. Brett Lee, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 274-1150 Dr. Daniel Lim, MDSan Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-7512 Dr. Dawn Nwamuo, MDSan Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-7521 Dr. Grace Lin, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 248-7130 Dr. Hani Sharkey, MDSan Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Harriet Smith, MDSan Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-7511 Dr. Jason Balkman, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 737-3445 Dr. Jeffrey Li, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 737-3032 Dr. Judy Siu, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-7521 Dr. Justin Junus, DOSan Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-4645 Dr. Kevin LeuSan Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-7526 Dr. Linda Tang, MDSan Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-7507 Dr. Nandan Keshav, MD, MSSan Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Richard Kuno, MDSan Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-7521 Dr. Ronald Olson, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(925) 296-7156 Dr. Sapna Palrecha, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Sundeep Nayak, M.D.San Leandro, CA · No drug or device payments recorded (2025) ·
(510) 784-4569 Dr. Andy Hoang, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 542-9700 Dr. Dieter EckertSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 269-1300 Dr. Fred Vernacchia, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 542-9700 Dr. Gary Hatch, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 542-9700 Dr. Kristen Kieley, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 542-9700 Dr. Lisa Wieler, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 542-9700 Dr. Randy Cork, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 542-9700 Dr. Richard Berg, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 784-0195 Dr. Robert Henretig, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 269-1313 Dr. Jimmy Chanbonpin, M.D.San Marino, CA · No drug or device payments recorded (2025) ·
(626) 285-5700 Dr. Shendee Teng, M.D.San Marino, CA · No drug or device payments recorded (2025) ·
(626) 287-3213 Dr. Avanti Ambekar, M.D.San Mateo, CA · No drug or device payments recorded (2025) ·
(650) 696-4515 Dr. Clay Napper, M.D.San Mateo, CA · No drug or device payments recorded (2025) ·
(650) 696-4515 Dr. Doris Burton, MDSan Mateo, CA · No drug or device payments recorded (2025) ·
(650) 343-1655 Dr. Harriet Borofsky, M.D.San Mateo, CA · $104 in drug and device payments (2025) ·
(650) 696-4140 Dr. Jason Pai, M.D.San Mateo, CA · No drug or device payments recorded (2025) ·
(650) 696-4515 Dr. Jennifer Wan, MDSan Mateo, CA · No drug or device payments recorded (2025) ·
(650) 696-4515 Dr. Kathleen Mckenna, M.D.San Mateo, CA · $40 in drug and device payments (2025) ·
(650) 696-4515 Dr. Kelly Broderick, M.D.San Mateo, CA · No drug or device payments recorded (2025) ·
(650) 696-4515 Dr. Nancy Lai, M.D.San Mateo, CA · No drug or device payments recorded (2025) ·
(650) 343-1655 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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