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. Nicole Lee, MDSan Mateo, CA · No drug or device payments recorded (2025) ·
(650) 696-4140 Dr. Patrick Mulligan, M.D.San Mateo, CA · $25 in drug and device payments (2025) ·
(650) 696-4515 Dr. Rahi Kumar, M.D.San Mateo, CA · No drug or device payments recorded (2025) ·
(650) 696-4515 Dr. Sharon Stein, MDSan Mateo, CA · No drug or device payments recorded (2025) ·
(650) 343-1655 Dr. Anand Patel, M.D.San Pedro, CA · $16,000 in drug and device payments (2025) ·
(310) 303-5750 Dr. David Feldman, M.D.San Pedro, CA · No drug or device payments recorded (2025) ·
(310) 832-3311 Dr. George Taus, M.D.San Pedro, CA · No drug or device payments recorded (2025) ·
(310) 548-0478 Dr. Jason Kantor, MDSan Pedro, CA · No drug or device payments recorded (2025) ·
(310) 832-3311 Dr. Adam Petras, MDSan Rafael, CA · No drug or device payments recorded (2025) ·
(415) 444-2000 Dr. Cheryl Kahn, MDSan Rafael, CA · No drug or device payments recorded (2025) ·
(415) 444-2000 Dr. Christopher Cappelen, M.D.San Rafael, CA · No drug or device payments recorded (2025) ·
(415) 444-2966 Dr. Diane Barnes, MDSan Rafael, CA · No drug or device payments recorded (2025) ·
(415) 444-2000 Dr. Elizabeth Dessouky, MDSan Rafael, CA · No drug or device payments recorded (2025) ·
(415) 444-2000 Dr. Kong Tan, MDSan Rafael, CA · No drug or device payments recorded (2025) ·
(415) 444-2000 Dr. Kurt Dibbern, MDSan Rafael, CA · No drug or device payments recorded (2025) ·
(415) 444-2000 Dr. Linda Rubio, MDSan Rafael, CA · No drug or device payments recorded (2025) ·
(415) 444-2000 Dr. Paul Stevens, MDSan Rafael, CA · No drug or device payments recorded (2025) ·
(415) 444-2000 Dr. Prasad Murthy, MDSan Rafael, CA · No drug or device payments recorded (2025) ·
(415) 444-2066 Dr. Sonia Rapko, MDSan Rafael, CA · No drug or device payments recorded (2025) ·
(415) 444-2000 Dr. Victoria Clague, MDSan Rafael, CA · No drug or device payments recorded (2025) ·
(415) 444-2000 Dr. Ravi Alagappan, MDSan Ramon, CA · No drug or device payments recorded (2025) ·
(925) 327-0015 Dr. Alexander Lin, M.D.Santa Ana, CA · $133 in drug and device payments (2025) ·
(714) 547-3346 Dr. Christina Ma, M.D.Santa Ana, CA · $91 in drug and device payments (2025) ·
(310) 267-8797 Dr. David Rodibaugh, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 835-6055 Dr. Duke Nguyen, M.D.Santa Ana, CA · $427 in drug and device payments (2025) ·
(714) 835-6055 Dr. Glenda Romero-urquhart, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 835-6055 Dr. Jeffrey TanSanta Ana, CA · No drug or device payments recorded (2025) ·
(949) 428-0500 Dr. Jessica Langer, MDSanta Ana, CA · $14 in drug and device payments (2025) ·
(714) 835-6055 Dr. Joseph Brugman, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 835-6055 Dr. Joy Johnson, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 542-3597 Dr. Khurshed Dastur, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 835-6055 Dr. Laszlo Kaveggia, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 835-6055 Dr. Lindsey Storer, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 835-6055 Dr. Mark Stein, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 835-6055 Dr. Martin Wieler, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 545-9441 Dr. Maurice Yu, M.D.Santa Ana, CA · $24 in drug and device payments (2025) ·
(949) 583-9264 Dr. Michael Brown, D.O.Santa Ana, CA · No drug or device payments recorded (2025) ·
(716) 830-8009 Dr. Patricia Kincaid, M.D.Santa Ana, CA · $119 in drug and device payments (2025) ·
(714) 835-6055 Dr. Saif Siddiqi, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 953-3390 Dr. Tam Ngo, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 550-0853 Dr. Alexander Rybkin, M.D.Santa Barbara, CA · No drug or device payments recorded (2025) ·
(805) 569-7279 Dr. Alexandra Reis, M.D.Santa Barbara, CA · No drug or device payments recorded (2025) ·
(805) 569-7279 Dr. Amol Patil, MD, MBBSSanta Barbara, CA · No drug or device payments recorded (2025) ·
(805) 560-8111 Dr. Andrea Weiss, MDSanta Barbara, CA · No drug or device payments recorded (2025) ·
(805) 682-7984 Dr. Antonio Alvarez, M.D.Santa Barbara, CA · No drug or device payments recorded (2025) ·
(650) 515-5072 Dr. Arthur Lee, M.D.Santa Barbara, CA · No drug or device payments recorded (2025) ·
(805) 569-7279 Dr. Bedro Jin, M.D.Santa Barbara, CA · No drug or device payments recorded (2025) ·
(808) 554-5771 Dr. Benjamin JohnsonSanta Barbara, CA · $120 in drug and device payments (2025) ·
(805) 682-7744 Dr. Bernard Chow, M.D.Santa Barbara, CA · $22 in drug and device payments (2025) ·
(805) 569-7279 Dr. Brian Schnier, M.D.Santa Barbara, CA · No drug or device payments recorded (2025) ·
(805) 569-7279 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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