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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. Curtis Duffield, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-5195
Dr. Cynthia Dirkx, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-5000
Dr. Cyrus Bateni, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-5195
Dr. Dania Malik, MD
Sacramento, CA · No drug or device payments recorded (2025) · (512) 744-8829
Dr. Daniel Hofstedt, DO
Sacramento, CA · No drug or device payments recorded (2025) · (916) 556-3300
Dr. Daniel Ichel, M.D.
Sacramento, CA · $764 in drug and device payments (2025) · (916) 733-4400
Dr. David Chen, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-6464
Dr. David Denisov
Sacramento, CA · No drug or device payments recorded (2025) · (916) 878-3945
Dr. David Steinberg, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 688-2000
Dr. Dennis Mcdonald, M.D.
Sacramento, CA · $39 in drug and device payments (2025) · (916) 646-8431
Dr. Dillon Chen, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-0681
Dr. Dominic De Marco, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 878-3495
Dr. Don Loomer, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (877) 515-0053
Dr. Don Udall, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 703-2261
Dr. Dylan Witt, M.D.
Sacramento, CA · $26 in drug and device payments (2025) · (916) 929-3393
Dr. Edward Bubienko, M.D.,PH.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 688-2000
Dr. Eleanor Yu, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 878-3495
Dr. Elham Najafpour
Sacramento, CA · No drug or device payments recorded (2025) · (916) 703-2273
Dr. Elizabeth Moore, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-3606
Dr. Elviro Bernas, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-5000
Dr. Emily Ritchie, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (318) 780-6542
Dr. Erik Abrames, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-2724
Dr. Eugenio Gerscovich, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-3606
Dr. Eva Chan, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (877) 515-0059
Dr. Eva Escobedo, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-3606
Dr. Fatma Sen, M.D.
Sacramento, CA · $285 in drug and device payments (2025) · Telehealth · (916) 734-6464
Dr. Francesca Ontell, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-3606
Dr. Frank Fontaine, MD
Sacramento, CA · $160 in drug and device payments (2025) · (916) 973-5000
Dr. Garrick Biddle, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 887-7862
Dr. Garyun Kong, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 646-8401
Dr. Gautam Bahl, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 878-3495
Dr. Geoffrey Mcwilliams, D.O.
Sacramento, CA · $22 in drug and device payments (2025) · (916) 703-2273
Dr. George Bolton, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 453-9999
Dr. Gerald Bailey, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 688-2000
Dr. Gerald Schwarz, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-5000
Dr. Ghaneh Fananapazir, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-6306
Dr. Gregory Klinke, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 688-2000
Dr. Gregory Kugel, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 733-3301
Dr. Gregory Rogalski, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 733-3301
Dr. Hank Lin, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (877) 515-0053
Dr. Hatice Kader Karli Oguz, MD
Sacramento, CA · $8,604 in drug and device payments (2025) · (916) 734-5059
Dr. Hazem Chehabi, MD
Sacramento, CA · $30 in drug and device payments (2025) · (916) 878-3495
Dr. Henry Chen, M.D.
Sacramento, CA · $242 in drug and device payments (2025) · (916) 734-8631
Dr. Henry Foster
Sacramento, CA · No drug or device payments recorded (2025) · (916) 878-3495
Dr. Hesham Attaya, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 878-3495
Dr. Himaja Peddi, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 733-4400
Dr. Hon Woo, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 921-1300
Dr. Hugo Bogren, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-3606
Dr. Huu-ninh Dao, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 453-9999
Dr. James Smith, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-5000

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.