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 Arigo, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 445-2951 Dr. Richard Gold, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 301-8708 Dr. Richard Kaplan, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-9111 Dr. Richard Sukov, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 423-8000 Dr. Richard Vanallan, MDLos Angeles, CA · $206 in drug and device payments (2025) ·
(310) 423-8000 Dr. Rich Rana, M.D.Los Angeles, CA · $66 in drug and device payments (2025) ·
(312) 315-7718 Dr. Rinat Masamed, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 301-6800 Dr. Rita Krane, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8741 Dr. Rizwan Zafer, DOLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 301-6800 Dr. Robert Freed, M.D.Los Angeles, CA · $575 in drug and device payments (2025) ·
(323) 699-0488 Dr. Robert Harris, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Robert Loeb, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 445-2951 Dr. Robert Reuter, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 445-2951 Dr. Robert Suh, MDLos Angeles, CA · $45,226 in drug and device payments (2025) · Telehealth ·
(310) 301-6800 Dr. Robin Quazi, M.D.Los Angeles, CA · $179 in drug and device payments (2025) ·
(310) 267-8758 Dr. Roger Weinhouse, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 423-8000 Dr. Rohindeep Singh, DOLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 301-6800 Dr. Rohit Dewan, D.O.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-8796 Dr. Rola Saouaf, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 423-8000 Dr. Ronald Mcgrady, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 445-2800 Dr. Ross FrederickLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-9111 Dr. Roy BishtLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-9111 Dr. Ruskin Cua, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 409-1000 Dr. Ryan Beck, MB, BCH, BAOLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-8758 Dr. Ryan Cramer, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(630) 856-7440 Dr. Ryan Kent, MDLos Angeles, CA · $877 in drug and device payments (2025) ·
(310) 301-6800 Dr. Sachiko Cochran, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 459-5379 Dr. Saeed Dianat, M.D.Los Angeles, CA · $18 in drug and device payments (2025) ·
(323) 409-6104 Dr. Saif AzamLos Angeles, CA · $158 in drug and device payments (2025) ·
(714) 928-5664 Dr. Sam Zeim, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Sandy Lee, M.D.Los Angeles, CA · $48 in drug and device payments (2025) ·
(323) 442-8541 Dr. Sarah Mohajeri MoghaddamLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-8796 Dr. Sara Kingston, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Sara Mozayan, MDLos Angeles, CA · $72 in drug and device payments (2025) ·
(310) 301-6800 Dr. Sarina Pai, D.OLos Angeles, CA · $20 in drug and device payments (2025) ·
(310) 825-4721 Dr. Sasmita Misra, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(845) 616-3919 Dr. Sassan Senaati, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 445-2951 Dr. Scott Genshaft, MDLos Angeles, CA · $54,239 in drug and device payments (2025) · Telehealth ·
(310) 301-6800 Dr. Sebastian Sugay, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 409-7257 Dr. Seong Yoon, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 954-0145 Dr. Seyed Mahdi Abtahi, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Shabnam Mortazavi, MD, MPHLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-8796 Dr. Shahla Motamedi, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 268-3591 Dr. Shahnaz Ghahremani Koureh, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-6615 Dr. Shahram Hadidchi, MDLos Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 301-6800 Dr. Shannon Navarro, MD, MPHLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Shannon Yoo, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-8797 Dr. Sharon Meiselman, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 409-7257 Dr. Shawdi Manouchehr-pour, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Shenise Gilyard, MDLos Angeles, CA · $3,276 in drug and device payments (2025) · Telehealth ·
(310) 825-9111 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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