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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 in Los Angeles594 providers
Diagnostic Radiology in San Diego377 providers
Diagnostic Radiology in San Francisco335 providers
Diagnostic Radiology in Stanford235 providers
Diagnostic Radiology in Sacramento233 providers
Diagnostic Radiology in Orange120 providers
Diagnostic Radiology in Walnut Creek99 providers
Diagnostic Radiology in Loma Linda74 providers
Diagnostic Radiology in Santa Barbara74 providers
Diagnostic Radiology in Palo Alto69 providers
Diagnostic Radiology in La Jolla69 providers
Diagnostic Radiology in San Jose69 providers
Diagnostic Radiology in Oakland68 providers
Diagnostic Radiology in Long Beach64 providers
Diagnostic Radiology in Torrance64 providers
Diagnostic Radiology in Modesto60 providers
Diagnostic Radiology in Fresno58 providers
Diagnostic Radiology in Santa Monica55 providers
Diagnostic Radiology in El Segundo50 providers
Diagnostic Radiology in West Hollywood45 providers
Diagnostic Radiology in Santa Rosa45 providers
Diagnostic Radiology in Newport Beach43 providers
Diagnostic Radiology in Bakersfield41 providers
Diagnostic Radiology in Beverly Hills37 providers

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. Brian Bigoni, M.D.
Carlsbad, CA · No drug or device payments recorded (2025) · (760) 730-3536
Dr. Anthony Filly, M.D.
Carmel, CA · $487 in drug and device payments (2025) · (831) 236-9888
Dr. Ruben Saenz, M.D.
Carmel, CA · No drug or device payments recorded (2025) · (831) 375-3512
Dr. Tracy Chen, DO
Carmel, CA · $18 in drug and device payments (2025) · (310) 699-5661
Dr. Abdul Malik Dredar, MD
Carmichael, CA · No drug or device payments recorded (2025) · (916) 863-8700
Dr. Amardeep Bhatia, M.D.
Carmichael, CA · No drug or device payments recorded (2025) · (916) 961-6920
Dr. Brian Marten, M.D.
Carmichael, CA · No drug or device payments recorded (2025) · (916) 536-3666
Dr. Christopher Mosley, M.D.
Carmichael, CA · No drug or device payments recorded (2025) · (253) 951-1552
Dr. Cindy Sirois, M.D.
Carmichael, CA · No drug or device payments recorded (2025) · (916) 535-2000
Dr. David Pham, MD
Carmichael, CA · $47 in drug and device payments (2025) · (916) 535-2000
Dr. Dwight Mukuno, M.D.
Carmichael, CA · No drug or device payments recorded (2025) · (916) 961-6920
Dr. Franklin Li, M.D.
Carmichael, CA · No drug or device payments recorded (2025) · (916) 961-6920
Dr. George Lai, DO
Carmichael, CA · No drug or device payments recorded (2025) · (916) 535-2000
Dr. George Luh, M.D.
Carmichael, CA · $228 in drug and device payments (2025) · Telehealth · (916) 733-5701
Dr. John Winn, M.D.
Carmichael, CA · $29 in drug and device payments (2025) · (916) 961-6120
Dr. Justin Winn, MD
Carmichael, CA · No drug or device payments recorded (2025) · (916) 535-2000
Dr. Kathryn Witztum, M.D.
Carmichael, CA · No drug or device payments recorded (2025) · (916) 961-6920
Dr. Miguel Nieves, M.D.
Carmichael, CA · No drug or device payments recorded (2025) · (916) 961-6920
Dr. Patrick Sanchez, MD
Carmichael, CA · No drug or device payments recorded (2025) · (916) 536-3666
Dr. Raghav Raman, M.D.
Carmichael, CA · No drug or device payments recorded (2025) · (916) 536-3666
Dr. Robert Bemrick, M.D.
Carmichael, CA · No drug or device payments recorded (2025) · (916) 961-6920
Dr. Stephen Henrichon, MD
Carmichael, CA · No drug or device payments recorded (2025) · (916) 863-8700
Dr. Theodore Marentis, M.D.
Carmichael, CA · No drug or device payments recorded (2025) · (916) 537-5208
Dr. Timothy Lee, MD
Carmichael, CA · No drug or device payments recorded (2025) · (916) 961-6920
Dr. Tuan Ha, M.D.
Carmichael, CA · No drug or device payments recorded (2025) · (916) 535-2000
Dr. William Cragun, D.O.
Carmichael, CA · $17 in drug and device payments (2025) · (916) 961-6946
Dr. Anthony Laglia, M.D.
Castro Valley, CA · No drug or device payments recorded (2025) · (925) 296-7156
Dr. Ashley Etchison, MD
Castro Valley, CA · No drug or device payments recorded (2025) · (510) 785-5000
Dr. Arash Afari, MD
Century City, CA · No drug or device payments recorded (2025) · (800) 626-8315
Dr. Alfred Noyes, MD
Chico, CA · No drug or device payments recorded (2025) · (530) 898-0500
Dr. Andrew Barger, M.D., PH.D.
Chico, CA · No drug or device payments recorded (2025) · (530) 332-4470
Dr. Benjamin Kemp, D.O.
Chico, CA · No drug or device payments recorded (2025) · (850) 228-6622
Dr. Craig Letner, M.D.
Chico, CA · No drug or device payments recorded (2025) · (530) 898-0500
Dr. Frederick Brandon, DO
Chico, CA · No drug or device payments recorded (2025) · (530) 433-9633
Dr. Garth Gregory, M.D.
Chico, CA · No drug or device payments recorded (2025) · (530) 898-0500
Dr. Gary Stromberg, M.D.
Chico, CA · No drug or device payments recorded (2025) · (530) 898-0504
Dr. George Rawley, MD
Chico, CA · No drug or device payments recorded (2025) · (530) 898-0500
Dr. Gregory Lauten, M.D.
Chico, CA · No drug or device payments recorded (2025) · (530) 898-0500
Dr. James Schlund, M.D
Chico, CA · $11,073 in drug and device payments (2025) · (530) 898-0500
Dr. John Burnham, M.D.
Chico, CA · No drug or device payments recorded (2025) · (530) 898-0500
Dr. Joseph Mcintosh, M.D.
Chico, CA · No drug or device payments recorded (2025) · (530) 898-0504
Dr. Kenneth Petty, MD
Chico, CA · $18 in drug and device payments (2025) · (530) 898-0500
Dr. Kevin Nash, M.D
Chico, CA · No drug or device payments recorded (2025) · (530) 898-0504
Dr. Kevin Parsons, MD
Chico, CA · No drug or device payments recorded (2025) · (530) 332-7300
Dr. Lara Bussey, D.O.
Chico, CA · No drug or device payments recorded (2025) · (952) 595-1100
Dr. Mauricio Schrader, M.D.
Chico, CA · No drug or device payments recorded (2025) · (530) 898-0500
Dr. Pam Warren, M.D.
Chico, CA · No drug or device payments recorded (2025) · (530) 898-0504
Dr. Richard Livesay, M.D.
Chico, CA · No drug or device payments recorded (2025) · (530) 898-0500
Dr. Robert Huberman, MD
Chico, CA · No drug or device payments recorded (2025) · (530) 898-0504
Dr. Ben Lee, MD
Chino Hills, CA · $21 in drug and device payments (2025) · (800) 723-6186

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.

Related reading on HealthcareDiscovery.AI

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Diagnostic Radiology in California? Get featured.