HealthcareDiscovery.AI / Doctors / California / Diagnostic Radiology

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. Steven Liston, MD
Davis, CA · No drug or device payments recorded (2025) · (530) 756-1619
Dr. Donald Cornforth, MD
Delano, CA · No drug or device payments recorded (2025) · (661) 381-7545
Dr. Dominic Tong, M.D.
Del Mar, CA · No drug or device payments recorded (2025) · (858) 342-3156
Dr. Fatima Kazem, M.D.
Del Mar, CA · No drug or device payments recorded (2025) · (858) 546-3800
Dr. Richard Herman
Del Mar, CA · No drug or device payments recorded (2025) · (858) 395-6492
Dr. Ali Goodarzi, M.D.
Downey, CA · No drug or device payments recorded (2025) · (562) 923-5521
Dr. Christopher Starr, MD/PHD
Downey, CA · $67 in drug and device payments (2025) · (562) 657-7254
Dr. David Wohlmuth
Downey, CA · No drug or device payments recorded (2025) · (562) 904-5000
Dr. Ivan Barrett, M.D.
Downey, CA · No drug or device payments recorded (2025) · (562) 904-5000
Dr. Joel Levine, M.D.
Downey, CA · No drug or device payments recorded (2025) · (562) 904-1340
Dr. Julie Sun, M.D.
Downey, CA · $17 in drug and device payments (2025) · (562) 904-5000
Dr. Katherine Wei, MD
Downey, CA · No drug or device payments recorded (2025) · (562) 869-9192
Dr. Mark Dubin, M.D.
Downey, CA · $39 in drug and device payments (2025) · (562) 904-5000
Dr. Michael Hoffman, M.D.
Downey, CA · $75 in drug and device payments (2025) · (562) 904-5000
Dr. Penny Johnson, MD
Downey, CA · No drug or device payments recorded (2025) · (562) 869-9192
Dr. Shufong Wu, M.D.
Downey, CA · No drug or device payments recorded (2025) · (562) 657-7240
Dr. Alexander Jung, MD
Duarte, CA · No drug or device payments recorded (2025) · (626) 256-4673
Dr. Ammar Chaudhry, M.D.
Duarte, CA · $89 in drug and device payments (2025) · (626) 256-4673
Dr. Aram Lee, M.D.
Duarte, CA · $1,326 in drug and device payments (2025) · (626) 256-4673
Dr. Bihong Chen, MD
Duarte, CA · $23 in drug and device payments (2025) · (626) 359-8111
Dr. Carol Wong, MD
Duarte, CA · No drug or device payments recorded (2025) · (626) 359-8111
Dr. Dara Ghasemizadeh, D.O.
Duarte, CA · No drug or device payments recorded (2025) · (626) 256-4673
Dr. Eva Luo, MD
Duarte, CA · No drug or device payments recorded (2025) · (626) 256-4673
Dr. Jimmie Wong, MD
Duarte, CA · No drug or device payments recorded (2025) · (626) 359-8111
Dr. John Hogan, MD
Duarte, CA · No drug or device payments recorded (2025) · (626) 359-8111
Dr. Jonathan Young
Duarte, CA · $103 in drug and device payments (2025) · (626) 256-4673
Dr. Julie Ressler, MD
Duarte, CA · No drug or device payments recorded (2025) · (626) 359-8111
Dr. Kimberly Bolivar, M.D.
Duarte, CA · No drug or device payments recorded (2025) · (626) 256-4673
Dr. Lalitkumar Vora, MD
Duarte, CA · $85 in drug and device payments (2025) · (626) 359-8111
Dr. Lusine Tumyan, MD
Duarte, CA · No drug or device payments recorded (2025) · (626) 359-8111
Dr. Mari Bozoghlanian, MD
Duarte, CA · No drug or device payments recorded (2025) · (626) 218-8386
Dr. Mariko Fitzgibbons, M.D.
Duarte, CA · No drug or device payments recorded (2025) · (626) 256-4673
Dr. Marisa Tseng, M.D.
Duarte, CA · No drug or device payments recorded (2025) · (626) 256-4673
Dr. Mark Esensten, MD
Duarte, CA · No drug or device payments recorded (2025) · (626) 359-8111
Dr. Pejman Motarjem, M.D.
Duarte, CA · $55 in drug and device payments (2025) · (626) 256-4673
Dr. Ranon Udkoff, M.D.
Duarte, CA · No drug or device payments recorded (2025) · (626) 256-4673
Dr. Rizvan Mirza, M.D.
Duarte, CA · $55 in drug and device payments (2025) · (626) 256-4673
Dr. Sameer Sandhu, M.D.
Duarte, CA · $29 in drug and device payments (2025) · (626) 256-4673
Dr. Sanjit Datta, MD
Duarte, CA · $895 in drug and device payments (2025) · Telehealth · (800) 826-4673
Dr. Sara Shaw, MD
Duarte, CA · $44 in drug and device payments (2025) · (626) 359-8111
Dr. Saro Manoukian, MD
Duarte, CA · $125 in drug and device payments (2025) · (626) 256-4673
Dr. Shana Landau, M.D.
Duarte, CA · No drug or device payments recorded (2025) · (626) 256-4673
Dr. Soumo De, M.D.
Duarte, CA · $124 in drug and device payments (2025) · (800) 826-4673
Dr. Violetta Karpova, MD
Duarte, CA · $72 in drug and device payments (2025) · (626) 256-4673
Dr. William Boswell, M.D.
Duarte, CA · No drug or device payments recorded (2025) · (626) 359-8111
Dr. Susan Davin Hancock, RTCRT
Durham, CA · No drug or device payments recorded (2025) · (530) 895-3178
Dr. Shobi Zaidi, M.D.
Eastvale, CA · No drug or device payments recorded (2025) · (888) 480-9996
Dr. Marcus Van, M.D.
El Cajon, CA · No drug or device payments recorded (2025) · (310) 621-1750
Dr. Caesar Trillanes, MD
El Centro, CA · No drug or device payments recorded (2025) · (760) 339-7241
Dr. John Hadorn, MD
El Centro, CA · No drug or device payments recorded (2025) · (760) 337-8644

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

Diagnostic Radiology in all 50 states Search all 4,516 in the directory Ask Zach for help choosing

Related

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.