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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. Roland Demarco, M.D.
Roseville, CA · No drug or device payments recorded (2025) · (916) 781-1777
Dr. Sanaz Ghaderi Niri, M.D.
Roseville, CA · No drug or device payments recorded (2025) · (916) 535-2030
Dr. Sukhraj Kahlon, M.D.
Roseville, CA · $76 in drug and device payments (2025) · (916) 535-2030
Dr. Van Vu, M.D.
Roseville, CA · No drug or device payments recorded (2025) · (916) 535-2030
Dr. Yauk Lee, MD
Roseville, CA · No drug or device payments recorded (2025) · (916) 535-2030
Dr. Ahmadreza Ghasemiesfe, M.D
Sacramento, CA · $22,370 in drug and device payments (2025) · (312) 395-0993
Dr. Albert Schraner, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 453-9999
Dr. Alexander Kane, MD
Sacramento, CA · No drug or device payments recorded (2025) · (408) 687-8563
Dr. Alex Hongkham, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-4371
Dr. Alisa Tanakit, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (497) 300-0916
Dr. Allen Li, D.O.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 878-3495
Dr. Alvin Yamamoto, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-6746
Dr. Amanda Ferguson
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-5059
Dr. Amitkumar Choudhari, FRCR, DNB
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-6464
Dr. Anant Dhingra
Sacramento, CA · $138 in drug and device payments (2025) · (916) 734-2011
Dr. Andrew Lee, D.O.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 733-3333
Dr. Angela Trinh, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 646-8300
Dr. Anh Dang, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-5000
Dr. Anna Rotili
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-0391
Dr. Anthony Galinato, MD
Sacramento, CA · $361 in drug and device payments (2025) · (916) 734-2724
Dr. Antonio Vazquez, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 688-2000
Dr. Arian Nikpour, MD, MPH
Sacramento, CA · $7,342 in drug and device payments (2025) · (916) 703-2261
Dr. Arleen Aziz, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 921-1300
Dr. Arthur Dublin, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-3606
Dr. Benjamin Owen
Sacramento, CA · No drug or device payments recorded (2025) · (916) 703-2261
Dr. Brandon Doskocil, MD
Sacramento, CA · $1,520 in drug and device payments (2025) · (916) 703-2261
Dr. Brian Dahlin, M.D.
Sacramento, CA · $156 in drug and device payments (2025) · (916) 734-5195
Dr. Brian Gunter, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 688-2000
Dr. Calvin Ma, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 646-8401
Dr. Cam Chau, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 733-3301
Dr. Carlos Jamis-dow, MD
Sacramento, CA · $80 in drug and device payments (2025) · (916) 646-8401
Dr. Carl Rosenquist, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-3606
Dr. Carol Beatty, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-3606
Dr. Chan Park, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-5000
Dr. Charles Do, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 733-3333
Dr. Chia-li Lai, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 688-2000
Dr. Chirag Patel, M.D.
Sacramento, CA · $28 in drug and device payments (2025) · (916) 878-3495
Dr. Choo-won Kim, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 688-6639
Dr. Christopher Bent, M.D.
Sacramento, CA · $402 in drug and device payments (2025) · (916) 703-2261
Dr. Christopher Chong, M.D.
Sacramento, CA · $72 in drug and device payments (2025) · (916) 453-9999
Dr. Christopher Hoffman, M.D.
Sacramento, CA · $223 in drug and device payments (2025) · (916) 453-9999
Dr. Christopher Jones, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 454-1225
Dr. Christopher Oide, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-5000
Dr. Christopher Schaefer, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 453-9999
Dr. Christopher Simopoulos, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 453-9999
Dr. Christopher Wladyka, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 817-5250
Dr. Clare Arroyo, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 453-9999
Dr. Clovis Jones, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-5000
Dr. Crystal May, D.O.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-9200
Dr. Cuong Vuong, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (408) 786-6575

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.