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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. Frederick Wolfe, M.D.
Van Nuys, CA · No drug or device payments recorded (2025) · (818) 782-6110
Dr. Gregory Applegate, M.D.
Van Nuys, CA · $46 in drug and device payments (2025) · (818) 901-0115
Dr. Hsingyee Lee, M.D.
Van Nuys, CA · No drug or device payments recorded (2025) · (818) 901-0115
Dr. Larry Kussin, M.D.
Van Nuys, CA · No drug or device payments recorded (2025) · (818) 782-6110
Dr. Laura Applegate, M.D.
Van Nuys, CA · $190 in drug and device payments (2025) · (818) 901-0115
Dr. Parvis Gamagami, MD
Van Nuys, CA · No drug or device payments recorded (2025) · (818) 787-9909
Dr. Robert Lee, M.D.
Van Nuys, CA · $28 in drug and device payments (2025) · (818) 901-0115
Dr. Stephen Steinfeldt, M.D.
Van Nuys, CA · No drug or device payments recorded (2025) · (818) 782-6110
Dr. Bruce Matthews, M.D.
Ventura, CA · No drug or device payments recorded (2025) · (805) 652-6556
Dr. Duke Bahn, MD
Ventura, CA · No drug or device payments recorded (2025) · (888) 234-0004
Dr. Eric Wallace, MD
Ventura, CA · No drug or device payments recorded (2025) · (888) 234-0004
Dr. John Mcmahan, M.D.
Ventura, CA · No drug or device payments recorded (2025) · (805) 652-6556
Dr. Kyu Choi, MD
Ventura, CA · No drug or device payments recorded (2025) · (805) 652-5028
Dr. Matthew Carr, M.D.
Ventura, CA · $80 in drug and device payments (2025) · (805) 652-6556
Dr. Reed Horwitz, M.D.
Ventura, CA · No drug or device payments recorded (2025) · (805) 652-6080
Dr. Roger Goldman
Ventura, CA · $399 in drug and device payments (2025) · Telehealth · (610) 420-1313
Dr. Wook-chin Chong, MD
Ventura, CA · No drug or device payments recorded (2025) · (888) 234-0004
Dr. Abygail Dulle, MD
Victorville, CA · No drug or device payments recorded (2025) · (760) 261-5000
Dr. Glenn Wedeen, M.D.
Victorville, CA · No drug or device payments recorded (2025) · (760) 843-6092
Dr. John Cerrone, M.D.
Victorville, CA · No drug or device payments recorded (2025) · (760) 243-5801
Dr. Krishna Das, M.D.
Victorville, CA · $1,152 in drug and device payments (2025) · (760) 728-1900
Dr. Mary Maunglay, M.D.
Victorville, CA · No drug or device payments recorded (2025) · (760) 241-6666
Dr. Megha Gupta, MD
Victorville, CA · $392 in drug and device payments (2025) · (760) 728-1900
Dr. Michael Mcconnell, D.O.
Victorville, CA · $34 in drug and device payments (2025) · (760) 728-1900
Dr. Rahul Nayyar, M.D., MBA
Victorville, CA · $103 in drug and device payments (2025) · (760) 245-8691
Dr. Robert Young, MD
Victorville, CA · No drug or device payments recorded (2025) · (760) 843-2900
Dr. Veena Mandava, MD
Victorville, CA · No drug or device payments recorded (2025) · (760) 561-5000
Dr. Aaron Berkey, MD
Visalia, CA · $21 in drug and device payments (2025) · (597) 349-2445
Dr. Asha Kavali, M.D.
Visalia, CA · No drug or device payments recorded (2025) · (559) 734-9244
Dr. Bennett Abe, MD
Visalia, CA · $1,487 in drug and device payments (2025) · (559) 734-9244
Dr. Bharath Surapaneni, M.D
Visalia, CA · No drug or device payments recorded (2025) · (559) 734-9244
Dr. Caroline Millar, M.D.
Visalia, CA · No drug or device payments recorded (2025) · (559) 738-7507
Dr. Charles Mcelroy, M.D.
Visalia, CA · No drug or device payments recorded (2025) · (559) 734-9244
Dr. Daniel Hightower, M.D.
Visalia, CA · $1,732 in drug and device payments (2025) · (559) 734-9244
Dr. Darrin Smith, M.D.
Visalia, CA · $20 in drug and device payments (2025) · (559) 738-7500
Dr. Douglas Blume, MD
Visalia, CA · $154 in drug and device payments (2025) · (559) 734-5674
Dr. Jaime Aguet, M.D.
Visalia, CA · $152 in drug and device payments (2025) · (559) 734-9244
Dr. Julia Talley, M.D.
Visalia, CA · $69 in drug and device payments (2025) · (559) 734-9244
Dr. Michael Bowers, M.D.
Visalia, CA · No drug or device payments recorded (2025) · (559) 734-9244
Dr. Michael Nussdorfer, MD
Visalia, CA · No drug or device payments recorded (2025) · (559) 734-9244
Dr. Michael Shin, MD
Visalia, CA · $195 in drug and device payments (2025) · (559) 734-9244
Dr. Muhammad Chaudhri, MD
Visalia, CA · $40,176 in drug and device payments (2025) · (559) 627-0112
Dr. Paul Loeffler, M.D.
Visalia, CA · No drug or device payments recorded (2025) · (559) 713-6050
Dr. Richard Anderson, M.D.
Visalia, CA · No drug or device payments recorded (2025) · (559) 734-9244
Dr. Ronald Beggs, M.D.
Visalia, CA · No drug or device payments recorded (2025) · (559) 734-9244
Dr. Sandhya Dhingra, MD
Visalia, CA · No drug or device payments recorded (2025) · (559) 734-5074
Dr. Stanislav Ryndin
Visalia, CA · No drug or device payments recorded (2025) · (916) 241-5828
Dr. Troy Bouit
Visalia, CA · No drug or device payments recorded (2025) · (559) 734-9244
Dr. Tsung-yi Kuo, M.D.
Visalia, CA · No drug or device payments recorded (2025) · (559) 734-9244
Dr. Cline Handy, M.D.
Vista, CA · No drug or device payments recorded (2025) · (760) 806-4355

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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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.