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)
2,121
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; disclosure alone establishes neither wrongdoing nor legality.
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 | — | MRI contrast dye injection (gadoterate) | $786 (2018-2022) | — | Very High |
| CHAIKEN, LISA MD | Santa Monica | 15,053 | — | Contrast dye for imaging (iodine-based) | $1,847 (2018-2024) | — | Very High |
| TOROSSIAN, ARTOUR M.D. | Palmdale | 13,298 | — | Intensity-modulated radiation therapy delivery | $926 (2018-2023) | — | Very High |
| NURANI, RIZWAN MD | Apple Valley | 10,519 | — | Intensity-modulated radiation therapy delivery | $175,737 (2018-2024) | — | Very High |
| KORNGUTH, DAVID M.D. | San Francisco | 10,254 | — | CT guidance for radiation therapy | $47,660 (2018-2024) | — | Very High |
| PRASAD, GAUTAM M.D. | Dublin | 9,644 | — | MRI contrast dye injection (gadobutrol) | $76,309 (2018-2024) | — | Very High |
| MEISEL, JAY M.D. | Santa Cruz | 8,694 | — | Intensity-modulated radiation therapy delivery | $2,427 (2018-2024) | — | Very High |
| MCLOUGHLIN, TRAVERS MD | Lodi | 8,559 | — | CT guidance for radiation therapy | $453 (2018-2024) | — | Very High |
| MAHMOUDIEH, ALIREZA MD | Merced | 7,970 | — | Intensity-modulated radiation therapy delivery | $7,704 (2018-2024) | — | Very High |
| VOOG, JUSTIN M.D., PH.D. | Santa Barbara | 7,592 | — | CT guidance for radiation therapy | $2,052 (2018-2024) | — | Very High |
| ALLY, ZAHORA MD | Antioch | 7,060 | — | Contrast dye for imaging (iodine-based) | $6,374 (2018-2024) | — | Very High |
| IOANNIDES, PERICLES M.D. | Sonora | 7,003 | — | CT guidance for radiation therapy | $182 (2023-2024) | — | Very High |
| WU, JEFFREY M.D. | San Luis Obispo | 6,584 | — | Intensity-modulated radiation therapy delivery | $944 (2018-2024) | — | Very High |
| SACHDEVA, GOPAL MD | Emeryville | 6,352 | — | Contrast dye for imaging (iodine-based) | $8,799 (2018-2024) | — | Very High |
| TOKITA, KENNETH M.D. | Irvine | 6,232 | — | Intensity-modulated radiation therapy delivery | $19,191 (2018-2024) | — | Very High |
| SINHA, ROBERT MD | Mountain View | 6,155 | — | Calculation of radiation therapy dose | $6,192 (2018-2024) | — | Very High |
| SUH, WONSUK M.D., M.P.H. | Santa Barbara | 6,071 | — | Intensity-modulated radiation therapy delivery | $1,753 (2018-2024) | — | Very High |
| SWAMY, UMA MD | Fresno | 5,766 | — | MRI contrast dye injection (gadobutrol) | $5,365 (2018-2024) | — | Very High |
| BATTH, SUKHJEET M.D. | Fresno | 5,723 | — | Intensity-modulated radiation therapy delivery | $6,451 (2018-2024) | — | Very High |
| MILLER, PAUL MD | Thousand Oaks | 5,549 | — | Intensity-modulated radiation therapy delivery | $404 (2018-2024) | — | Very High |
| CHENG, GEORGE M.D. | Santa Barbara | 5,527 | — | CT guidance for radiation therapy | $410 (2018-2024) | — | Very High |
| FOGEL, THOMAS MD | Ventura | 5,430 | — | Intensity-modulated radiation therapy delivery | $501 (2018-2024) | — | Very High |
| SCHARLACH, RANDALL MD | Woodland Hills | 5,414 | — | Intensity-modulated radiation therapy delivery | $1,864 (2018-2024) | — | Very High |
| HESS, CLAYTON MD | Grass Valley | 5,350 | — | CT guidance for radiation therapy | $49 (2023-2024) | — | Very High |
| KIM, CHARLOTTE M.D. | Santa Cruz | 5,289 | — | CT guidance for radiation therapy | $2,183 (2018-2024) | — | Very High |
| TAIT, LAUREN M.D. | San Luis Obispo | 5,254 | — | Intensity-modulated radiation therapy delivery | $516 (2018-2024) | — | Very High |
| RODNICK, JEFFREY MD | Ventura | 5,249 | — | Intensity-modulated radiation therapy delivery | $335 (2018-2024) | — | Very High |
| LIU, LI MD | Fresno | 5,222 | — | Intensity-modulated radiation therapy delivery | $272 (2018-2024) | — | Very High |
| KIM, PAUL M.D. | Tustin | 5,206 | — | CT guidance for radiation therapy | $14,964 (2018-2024) | — | Very High |
| HSU, DAVID MD | Monterey Park | 5,125 | — | Radiation treatment planning, 1 area | $245 (2022-2024) | — | Very High |
| CHANG-HALPENNY, CHRISTINE M.D. | Fresno | 5,062 | — | CT guidance for radiation therapy | $3,974 (2018-2024) | — | Very High |
| CHAO, KUANG-HWA M.D. | Walnut Creek | 5,012 | — | Calculation of radiation therapy dose | $6,755 (2018-2024) | — | Very High |
| MACEWAN, IAIN M.D. | San Diego | 4,871 | — | CT guidance for radiation therapy | $384 (2018-2024) | — | Very High |
| SILA, CHAD M.D. | Lawndale | 4,797 | — | CT guidance for radiation therapy | $4,057 (2018-2024) | — | Very High |
| KASED, NORBERT M.D. | Vista | 4,779 | — | Intensity-modulated radiation therapy delivery | $636 (2018-2024) | — | Very High |
| LINSON, PATRICK M.D. | Vista | 4,756 | — | Intensity-modulated radiation therapy delivery | $1,186 (2018-2024) | — | Very High |
| SUSKO, MATTHEW M.D. | Oakland | 4,737 | — | Stereoscopic X-ray guidance for radiation therapy localization | $103 (2021-2021) | — | Very High |
| MOYSES, HARRY M.D. | Irvine | 4,618 | — | CT guidance for radiation therapy | $818 (2018-2024) | — | Very High |
| ROSSI, CARL M.D. | San Diego | 4,606 | — | Gadolinium MRI contrast injection | $13,449 (2018-2024) | — | Very High |
| SCHIFFNER, DANIEL M.D. | Palo Alto | 4,602 | — | Intensity-modulated radiation therapy delivery | $6,057 (2018-2024) | — | Very High |
| HAUCK, CARLIN M.D. | Sacramento | 4,592 | — | CT guidance for radiation therapy | $275 (2018-2023) | — | Very High |
| TRIPURANENI, PRABHAKAR M.D. | San Diego | 4,569 | — | CT guidance for radiation therapy | $8,079 (2018-2024) | — | Very High |
| AMINI, ARYA M.D. | Duarte | 4,506 | — | CT guidance for radiation therapy | $237,359 (2018-2024) | — | Very High |
| SINGH, GAURAVJIT MD | Stockton | 4,343 | — | Calculation of radiation therapy dose | $21,753 (2018-2024) | — | Very High |
| RAO, NIKHIL MD | Rohnert Park | 4,279 | — | Intensity-modulated radiation therapy delivery | $95 (2018-2022) | — | Very High |
| KUBICKY, CHARLOTTE MD, PHD | Roseville | 4,277 | — | CT guidance for radiation therapy | $1,052 (2018-2023) | — | Very High |
| GABAYAN, ARASH M.D. | Beverly Hills | 4,193 | — | Low osmolar contrast material, 100-199 mg/ml iodine concentration, per ml | $16,773 (2018-2024) | — | Very High |
| WAHLEN, STEVEN M.D. | Chico | 4,154 | — | CT guidance for radiation therapy | $1,886 (2018-2023) | — | Very High |
| TAIRA, AL MD | San Mateo | 4,063 | — | CT guidance for radiation therapy | $998 (2018-2024) | — | Very High |
| CHEN, CHIEN M.D., PH.D. | La Jolla | 4,038 | — | CT guidance for radiation therapy | $309 (2018-2023) | — | 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.