State Specialty Directory

Radiology - Diagnostic in CA

Federal CMS data for 259 radiology - diagnostic providers across CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.

259
Providers
Median industry payments
$1,175
259
Radiology - Diagnostic Providers
in CA
$1,175
Median Industry Payments
per provider (2018–2024)
2,097
Median Medicare Services
fee-for-service claims
How to read this directory: Providers are listed by Medicare service volume, which reflects only Medicare fee-for-service patients (typically 65+). This does not represent total practice volume. Industry payments span multiple years and payment types — they are legal and do not indicate wrongdoing. Radiology - Diagnostic includes multiple subspecialties with different practice patterns. Learn more →
Showing top 50 of 259 providers, ranked by Medicare service volume. Search by city to narrow results.

Radiology - Diagnostic Providers — CA

NPPES · Open Payments · Medicare
Provider City Medicare Volume Beneficiaries* Top Procedure Industry Payments Payment Type Coverage
FISKE, CHARLES M.D. Oakland 50,649 3,648 MRI contrast dye injection (gadoterate) $786 (2018-2022) Consulting (89%) Very High
CHAIKEN, LISA MD Santa Monica 14,967 2,480 Contrast dye for imaging (iodine-based) $1,847 (2018-2024) Food & Beverage (98%) Very High
TOROSSIAN, ARTOUR M.D. Palmdale 13,298 2,888 Intensity-modulated radiation therapy delivery $926 (2018-2023) Food & Beverage (100%) Very High
NURANI, RIZWAN MD Apple Valley 10,405 2,017 Intensity-modulated radiation therapy delivery $175,737 (2018-2024) Consulting (92%) Very High
KORNGUTH, DAVID M.D. San Francisco 10,254 1,478 CT guidance for radiation therapy $47,660 (2018-2024) Consulting (47%) Very High
PRASAD, GAUTAM M.D. Dublin 9,644 1,583 MRI contrast dye injection (gadobutrol) $76,309 (2018-2024) Honoraria (61%) Very High
MEISEL, JAY M.D. Santa Cruz 8,694 1,555 Intensity-modulated radiation therapy delivery $2,427 (2018-2024) Food & Beverage (85%) Very High
MCLOUGHLIN, TRAVERS MD Lodi 8,559 1,464 CT guidance for radiation therapy $453 (2018-2024) Food & Beverage (100%) Very High
MAHMOUDIEH, ALIREZA MD Merced 7,970 1,318 Intensity-modulated radiation therapy delivery $7,704 (2018-2024) Food & Beverage (97%) Very High
VOOG, JUSTIN M.D., PH.D. Santa Barbara 7,592 2,567 CT guidance for radiation therapy $2,052 (2018-2024) Travel (39%) Very High
ALLY, ZAHORA MD Antioch 7,060 1,284 Contrast dye for imaging (iodine-based) $6,374 (2018-2024) Food & Beverage (97%) Very High
IOANNIDES, PERICLES M.D. Sonora 6,951 1,976 CT guidance for radiation therapy $182 (2023-2024) Food & Beverage (100%) Very High
WU, JEFFREY M.D. San Luis Obispo 6,584 1,631 Intensity-modulated radiation therapy delivery $944 (2018-2024) Food & Beverage (100%) Very High
SACHDEVA, GOPAL MD Emeryville 6,352 1,103 Contrast dye for imaging (iodine-based) $8,799 (2018-2024) Food & Beverage (98%) Very High
TOKITA, KENNETH M.D. Irvine 6,211 1,677 Intensity-modulated radiation therapy delivery $19,191 (2018-2024) Consulting (88%) Very High
SINHA, ROBERT MD Mountain View 6,155 1,746 Calculation of radiation therapy dose $6,192 (2018-2024) Food & Beverage (76%) Very High
SUH, WONSUK M.D., M.P.H. Santa Barbara 6,071 1,925 Intensity-modulated radiation therapy delivery $1,753 (2018-2024) Food & Beverage (99%) Very High
SWAMY, UMA MD Fresno 5,766 1,100 MRI contrast dye injection (gadobutrol) $5,365 (2018-2024) Food & Beverage (100%) Very High
BATTH, SUKHJEET M.D. Fresno 5,723 1,784 Intensity-modulated radiation therapy delivery $6,451 (2018-2024) Food & Beverage (54%) Very High
MILLER, PAUL MD Thousand Oaks 5,549 1,002 Intensity-modulated radiation therapy delivery $404 (2018-2024) Food & Beverage (100%) Very High
CHENG, GEORGE M.D. Santa Barbara 5,527 1,939 CT guidance for radiation therapy $410 (2018-2024) Food & Beverage (96%) Very High
FOGEL, THOMAS MD Ventura 5,430 1,419 Intensity-modulated radiation therapy delivery $501 (2018-2024) Food & Beverage (100%) Very High
SCHARLACH, RANDALL MD Woodland Hills 5,414 769 Intensity-modulated radiation therapy delivery $1,864 (2018-2024) Food & Beverage (99%) Very High
HESS, CLAYTON MD Grass Valley 5,350 1,566 CT guidance for radiation therapy $49 (2023-2024) Food & Beverage (100%) Very High
KIM, CHARLOTTE M.D. Santa Cruz 5,289 1,552 CT guidance for radiation therapy $2,183 (2018-2024) Food & Beverage (87%) Very High
TAIT, LAUREN M.D. San Luis Obispo 5,254 1,389 Intensity-modulated radiation therapy delivery $516 (2018-2024) Food & Beverage (100%) Very High
RODNICK, JEFFREY MD Ventura 5,249 1,248 Intensity-modulated radiation therapy delivery $335 (2018-2024) Food & Beverage (100%) Very High
LIU, LI MD Fresno 5,222 951 Intensity-modulated radiation therapy delivery $272 (2018-2024) Food & Beverage (100%) Very High
KIM, PAUL M.D. Tustin 5,206 1,377 CT guidance for radiation therapy $14,964 (2018-2024) Consulting (95%) Very High
HSU, DAVID MD Monterey Park 5,125 669 Radiation treatment planning, 1 area $245 (2022-2024) Food & Beverage (100%) Very High
CHANG-HALPENNY, CHRISTINE M.D. Fresno 5,062 1,553 CT guidance for radiation therapy $3,974 (2018-2024) Food & Beverage (100%) Very High
CHAO, KUANG-HWA M.D. Walnut Creek 5,012 1,228 Calculation of radiation therapy dose $6,755 (2018-2024) Food & Beverage (100%) Very High
MACEWAN, IAIN M.D. San Diego 4,871 1,325 CT guidance for radiation therapy $384 (2018-2024) Food & Beverage (100%) Very High
SILA, CHAD M.D. Lawndale 4,797 823 CT guidance for radiation therapy $4,057 (2018-2024) Food & Beverage (94%) Very High
KASED, NORBERT M.D. Vista 4,779 1,292 Intensity-modulated radiation therapy delivery $636 (2018-2024) Food & Beverage (100%) Very High
LINSON, PATRICK M.D. Vista 4,756 1,524 Intensity-modulated radiation therapy delivery $1,186 (2018-2024) Food & Beverage (100%) Very High
SUSKO, MATTHEW M.D. Oakland 4,737 1,941 Stereoscopic X-ray guidance for radiation therapy localization $103 (2021-2021) Food & Beverage (100%) Very High
MOYSES, HARRY M.D. Irvine 4,618 1,241 CT guidance for radiation therapy $818 (2018-2024) Food & Beverage (100%) Very High
ROSSI, CARL M.D. San Diego 4,606 1,355 Gadolinium MRI contrast injection $13,449 (2018-2024) Travel (97%) Very High
SCHIFFNER, DANIEL M.D. Palo Alto 4,602 1,200 Intensity-modulated radiation therapy delivery $6,057 (2018-2024) Consulting (55%) Very High
TRIPURANENI, PRABHAKAR M.D. San Diego 4,569 2,297 CT guidance for radiation therapy $8,079 (2018-2024) Travel (87%) Very High
AMINI, ARYA M.D. Duarte 4,506 1,780 CT guidance for radiation therapy $237,359 (2018-2024) Consulting (63%) Very High
SINGH, GAURAVJIT MD Stockton 4,343 968 Calculation of radiation therapy dose $21,753 (2018-2024) Consulting (82%) Very High
RAO, NIKHIL MD Rohnert Park 4,279 1,084 Intensity-modulated radiation therapy delivery $95 (2018-2022) Food & Beverage (100%) Very High
HAUCK, CARLIN M.D. Sacramento 4,277 1,431 CT guidance for radiation therapy $275 (2018-2023) Food & Beverage (100%) Very High
KUBICKY, CHARLOTTE MD, PHD Roseville 4,255 1,174 CT guidance for radiation therapy $1,052 (2018-2023) Food & Beverage (100%) Very High
GABAYAN, ARASH M.D. Beverly Hills 4,193 638 Low osmolar contrast material, 100-199 mg/ml iodine concentration, per ml $16,773 (2018-2024) Food & Beverage (67%) Very High
WAHLEN, STEVEN M.D. Chico 4,154 1,424 CT guidance for radiation therapy $1,886 (2018-2023) Travel (56%) Very High
TAIRA, AL MD San Mateo 4,063 1,287 CT guidance for radiation therapy $998 (2018-2024) Food & Beverage (100%) Very High
CHEN, PETER MD Newport Beach 4,028 1,223 Calculation of radiation therapy dose $490 (2019-2024) Food & Beverage (100%) Very High
Note: Radiology - Diagnostic encompasses multiple subspecialties with different practice patterns. Differences in payment amounts and procedure volumes may reflect subspecialty focus rather than practice quality. Consider viewing individual profiles for full context.
Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Payments from industry are legal and do not indicate wrongdoing. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →