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. Kathleen Ruchalski, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 301-6800 Dr. Katrina Beckett, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 301-6800 Dr. Keith Herr, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Kelsey Herrmann, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-8797 Dr. Kenneth Croutch, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 423-8000 Dr. Kevin KimLos Angeles, CA · $1,444 in drug and device payments (2025) ·
(310) 267-8758 Dr. Kevin King, M.D.Los Angeles, CA · $150 in drug and device payments (2025) ·
(310) 825-9111 Dr. Kevin PhamLos Angeles, CA · $29 in drug and device payments (2025) ·
(323) 442-8541 Dr. Khoa Tran, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Kimberly Bickell, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 226-7257 Dr. Kim Lee, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-8796 Dr. Kiyarash Mohajer, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 301-6800 Dr. Konstantin TchalukovLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 301-6800 Dr. Krucial Styslinger, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 301-6800 Dr. Lauren Ihde, M.D.Los Angeles, CA · $53 in drug and device payments (2025) ·
(323) 226-7257 Dr. Lauren Peng, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 361-6121 Dr. Lea Azour, MDLos Angeles, CA · $193 in drug and device payments (2025) ·
(310) 301-6800 Dr. Leanne Seeger, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 301-6800 Dr. Lien Tran, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 301-6800 Dr. Lila Pourzand, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 301-6800 Dr. Lily Wang, MDLos Angeles, CA · $196 in drug and device payments (2025) ·
(310) 794-6219 Dr. Livia Bohman, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 301-6800 Dr. Lloyd Greaser, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-4321 Dr. Lourdes AlanisLos Angeles, CA · $92 in drug and device payments (2025) ·
(310) 267-8796 Dr. Lousine Alpern, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 301-6800 Dr. Lucas CusumanoLos Angeles, CA · $151 in drug and device payments (2025) · Telehealth ·
(310) 825-9111 Dr. Lucas Martins, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-9111 Dr. Lucien Rizzo, MDLos Angeles, CA · $72 in drug and device payments (2025) ·
(310) 301-6800 Dr. Lucy Chow, M.D.Los Angeles, CA · $145 in drug and device payments (2025) ·
(310) 267-8796 Dr. Ludmila Bojman, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 445-2800 Dr. Luke Ledbetter, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-9111 Dr. Madhu Joshi, MDLos Angeles, CA · $1,147 in drug and device payments (2025) ·
(310) 267-8797 Dr. Madhuri Chadha, M.D.Los Angeles, CA · $34 in drug and device payments (2025) ·
(952) 595-1100 Dr. Maitraya Patel, M.D.Los Angeles, CA · $1,766 in drug and device payments (2025) ·
(310) 301-6800 Dr. Mamata Chithriki, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 423-8000 Dr. Manoochehr Koukhab, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 262-1814 Dr. Marc Friedman, MDLos Angeles, CA · $98 in drug and device payments (2025) ·
(310) 423-8000 Dr. Marco Floridia, M.D.Los Angeles, CA · $749 in drug and device payments (2025) · Telehealth ·
(323) 226-7677 Dr. Marc Salomon, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Margaret Lee, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 301-6800 Dr. Maria Boechat, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 301-6800 Dr. Mariam Mostamandy, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(233) 872-3713 Dr. Maria Rodriguez, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(213) 637-2530 Dr. Mariet Asadoorian, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Marshall Fisher, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 445-2951 Dr. Martin Edwards, M.D.Los Angeles, CA · $30,051 in drug and device payments (2025) ·
(310) 301-6800 Dr. Martin Rauch, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 445-2800 Dr. Martin Schwartz, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(213) 484-3519 Dr. Mary Yamashita, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Matthew Benjamin, MDLos Angeles, CA · $283 in drug and device payments (2025) ·
(310) 445-2800 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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