Neuroradiologists in California
Data updated monthly · Last refresh October 2026
221 Neuroradiology providers practice in California, including 16 (7%) offering telehealth. The largest concentration is in San Francisco. 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.
221providers
16telehealth
San Franciscotop city
Neuroradiology by city in California
Choose a city to see providers there.
Where Neuroradiologists in California practice
From CMS Medicare enrollment records covering 164 of the 221 providers listed here (74%). Providers who do not bill Medicare are not included in these figures.
4%solo or small practice (under 10 clinicians)
10%mid-size group (10 to 99)
86%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Neuroradiologists | All clinicians in group | Main city |
| Sutter Valley Medical Foundation | 19 | 2,473 | Sacramento |
| University of California San Francisco | 17 | 1,780 | San Francisco |
| UCSF Medical Group Business Services | 14 | 1,533 | San Francisco |
| Permanente Medical Group Inc. | 13 | 10,928 | Sacramento |
| UC Regents | 10 | 105 | Orange |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Neuroradiologists affiliated |
| UCSF Medical Center | San Francisco | Nonprofit | 4 of 5 | 23 |
| Sutter Roseville Medical Center | Roseville | Nonprofit | 5 of 5 | 15 |
| Sutter Medical Center, Sacramento | Sacramento | Nonprofit | 4 of 5 | 15 |
| Sutter Auburn Faith Hospital | Auburn | Nonprofit | 5 of 5 | 13 |
| Uci Health-Orange | Orange | Government | 4 of 5 | 12 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Neuroradiology 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. John Roefs, MDBakersfield, CA · $264 in drug and device payments (2025) ·
(661) 325-6800 Dr. Manjul Shah, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 325-6800 Dr. Samuel Hou, M.D., PH.D.Burbank, CA · $3,543 in drug and device payments (2025) ·
(818) 847-6049 Dr. Sandra Narayanan, MDBurbank, CA · $10,064 in drug and device payments (2025) · Telehealth ·
(818) 847-6049 Dr. Linda Lewis, MDCarlsbad, CA · No drug or device payments recorded (2025) ·
(216) 255-5700 Dr. Leyla Azmoun, M.D.Clovis, CA · No drug or device payments recorded (2025) ·
(559) 297-0300 Dr. Bradley Glenn, MDDanville, CA · No drug or device payments recorded (2025) ·
(920) 562-6481 Dr. Peter Palka, D.O.Fairfield, CA · No drug or device payments recorded (2025) ·
(707) 423-7181 Dr. Bruce Ginier, M.D.Fresno, CA · No drug or device payments recorded (2025) ·
(888) 318-8900 Dr. Frank Tamura, M.D.Fresno, CA · No drug or device payments recorded (2025) ·
(559) 325-5800 Dr. Monique Meyer, M.D.Fresno, CA · No drug or device payments recorded (2025) ·
(559) 325-5800 Dr. Nitasha Klar, M.D.Fresno, CA · No drug or device payments recorded (2025) ·
(559) 325-5809 Dr. John Colby, MD, PHDGreenbrae, CA · $132 in drug and device payments (2025) ·
(415) 925-7301 Dr. Brian Cristiano, M.D.Huntington Beach, CA · $419 in drug and device payments (2025) · Telehealth ·
(909) 252-7181 Dr. Matthew Lotysch, M.D.Inglewood, CA · No drug or device payments recorded (2025) ·
(310) 673-4660 Dr. Annalice Chang, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 554-2626 Dr. Wade Wong, MDLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 657-6650 Dr. Ryan Viets, MDLa Mesa, CA · $208 in drug and device payments (2025) · Telehealth ·
(619) 740-4034 Dr. Angela KannaLoma Linda, CA · No drug or device payments recorded (2025) ·
(757) 603-5568 Dr. Eric Peters, M.D.Loma Linda, CA · No drug or device payments recorded (2025) ·
(909) 558-7814 Dr. Paggie Kim, M.DLoma Linda, CA · No drug or device payments recorded (2025) ·
(909) 558-4000 Dr. Steven Holness, M.D.Loma Linda, CA · No drug or device payments recorded (2025) ·
(909) 558-6131 Dr. Dianna Chooljian, MD PHD MPHLong Beach, CA · $23 in drug and device payments (2025) ·
(562) 933-1550 Dr. Karen Ragland, MDLong Beach, CA · $24 in drug and device payments (2025) ·
(562) 933-1550 Dr. Alexander Lerner, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Alyssa Watanabe, MDLos Angeles, CA · $283 in drug and device payments (2025) ·
(323) 442-8541 Dr. Anandh Rajamohan, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Carlos Leiva Salinas, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8500 Dr. Chia-shang Liu, MD, PHDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Chi-shing Zee, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Daniel Phung, M.D.Los Angeles, CA · $402 in drug and device payments (2025) ·
(323) 442-8541 Dr. Eu Meng Law, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Fernando Vinuela, MDLos Angeles, CA · $13,809 in drug and device payments (2025) ·
(310) 301-6800 Dr. Franklin Moser, MDLos Angeles, CA · $4,105 in drug and device payments (2025) ·
(310) 423-8000 Dr. Gilbert Cheung, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 301-6800 Dr. Jamshid Ahmadi, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-7450 Dr. Jay Tsuruda, MDLos Angeles, CA · $337 in drug and device payments (2025) ·
(323) 442-8541 Dr. John Rhee, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 549-3030 Dr. Lenora Lewis, MDLos Angeles, CA · $75 in drug and device payments (2025) ·
(808) 256-7160 Dr. Marcel Maya, MDLos Angeles, CA · $11,038 in drug and device payments (2025) · Telehealth ·
(310) 423-8000 Dr. Mark Shiroishi, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Michael Manzano, M.D.Los Angeles, CA · $18 in drug and device payments (2025) ·
(323) 442-8541 Dr. Nasim Sheikh-bahaei, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Noriko Salamon, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 301-6800 Dr. Paul Kim, M.D.Los Angeles, CA · $63 in drug and device payments (2025) ·
(323) 442-8541 Dr. Reza Assadsangabi, MDLos Angeles, CA · $131 in drug and device payments (2025) ·
(310) 825-9111 Dr. Reza Jahan, MDLos Angeles, CA · $21,407 in drug and device payments (2025) · Telehealth ·
(310) 301-6800 Dr. Richard Yoo, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 913-4860 Dr. Saman Hazany, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8541 Dr. Sam Zheng, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8500 Common questions
How many Neuroradiology providers are in California?There are 221 Neuroradiology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Neuroradiology providers in California offer telehealth?Yes. 16 of the 221 Neuroradiology providers in California (about 7%) report offering telehealth services in CMS data.
Which cities in California have the most Neuroradiology providers?San Francisco (38), Los Angeles (28), Sacramento (26) have the highest concentration of Neuroradiology providers in California.
How many Neuroradiology providers in California received drug or device company payments?75 of 221 Neuroradiology providers in California (34%) 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 Neuroradiologists in California work in independent practices or large health systems?Among 164 Neuroradiologists in California enrolled in Medicare, 4% bill through a solo or small practice with fewer than 10 clinicians, 10% through a mid-size group of 10 to 99, and 86% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Neuroradiologists in California work at?According to CMS facility affiliation records, the California hospitals where the most Neuroradiologists hold privileges are UCSF Medical Center in San Francisco; Sutter Roseville Medical Center in Roseville; Sutter Medical Center, Sacramento in Sacramento.
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