Specialty Directory

Radiation Oncology in Sacramento, CA

Federal CMS data for 41 radiation oncology providers practicing in Sacramento, CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.

41
Providers
Median industry payments
$516
41
Radiation Oncology Providers
in Sacramento, CA
$516
Median Industry Payments
per provider (2018–2024)
3,918
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. Radiation Oncology includes multiple subspecialties with different practice patterns. Learn more →

Radiation Oncology Providers

NPPES · Open Payments · Medicare
Provider Medicare Volume Beneficiaries* Top Procedure Industry Payments Payment Type Coverage
BONK, ROY M.D. 76,542 3,107 MRI contrast dye injection (gadobutrol) $126 (2019-2020) Food & Beverage (100%) Very High
WIESNER, JASON M.D. 27,234 2,563 Contrast dye for imaging (iodine-based) $56 (2022-2023) Food & Beverage (100%) Very High
FOUNTAIN, JEFFREY D.O. 14,709 1,764 Contrast dye for imaging (iodine-based) $727 (2019-2024) Food & Beverage (100%) Very High
ZIPSER, STAN M.D. 13,746 960 Contrast dye for imaging (iodine-based) $1,110 (2018-2024) Food & Beverage (100%) Very High
DAVIDIAN, MARK M.D. 12,388 3,444 Contrast dye for imaging (iodine-based) $6,116 (2018-2024) Food & Beverage (100%) Very High
MITSUNAGA, MYLES 9,979 9,449 Chest X-ray, 1 view $765 (2018-2024) Travel (68%) Very High
LAING, CHRISTOPHER M.D. 9,349 865 Contrast dye for imaging (iodine-based) $86,798 (2018-2024) Consulting (90%) Very High
YEN, PHILIP M.D. 8,864 3,019 MRI contrast dye injection (gadobutrol) $123 (2019-2019) Food & Beverage (100%) Very High
PATEL, CHIRAG M.D. 8,767 1,431 Contrast dye for imaging (iodine-based) $339 (2018-2020) Food & Beverage (100%) Very High
FELLMETH, BRIAN M.D. 8,505 3,694 Contrast dye for imaging (iodine-based) $1,158 (2018-2024) Food & Beverage (100%) Very High
CHEN, HENRY M.D. 6,734 6,408 Chest X-ray, 1 view $944 (2018-2024) Consulting (70%) Very High
MANDAVA, ANEEL M.D. 6,335 710 Contrast dye for imaging (iodine-based) $6,038 (2018-2024) Food & Beverage (59%) Very High
TRAN, KHAI M.D. 5,594 2,921 MRI contrast dye injection (gadobutrol) $67,532 (2018-2023) Device Loan (59%) Very High
WU, THOMAS M.D. 5,214 1,342 Contrast dye for imaging (iodine-based) $3,497 (2018-2024) Food & Beverage (74%) Very High
KONG, GARYUN M.D. 5,167 1,892 Contrast dye for imaging (iodine-based) $126 (2019-2019) Food & Beverage (100%) Very High
JONES, CHRISTOPHER M.D. 4,681 1,483 CT guidance for radiation therapy $340 (2018-2023) Food & Beverage (100%) Very High
DUFFIELD, CURTIS M.D. 4,525 1,504 MRI contrast dye injection (gadoterate) $556 (2018-2024) Food & Beverage (100%) Very High
SASAKI, ARIA M.D. 4,308 387 Contrast dye for imaging (iodine-based) $3,088 (2018-2024) Food & Beverage (100%) Very High
DARDENELLE, SONJA M.D. 4,284 2,484 MRI contrast dye injection (gadobutrol) $375 (2018-2018) Education (100%) Very High
ICHEL, DANIEL M.D. 3,931 2,101 Contrast dye for imaging (iodine-based) $67 (2023-2023) Consulting (100%) Very High
LI, ALLEN D.O. 3,918 1,431 MRI contrast dye injection (gadobutrol) $751 (2018-2020) Food & Beverage (62%) Very High
TRINH, ANGELA M.D. 3,740 814 MRI contrast dye injection (gadobutrol) $236 (2019-2019) Food & Beverage (100%) Very High
CHAO, CHRISTINE M.D. 3,454 2,030 Contrast dye for imaging (iodine-based) $123 (2019-2019) Food & Beverage (100%) Very High
VONG, STEPHEN MD 3,134 1,284 MRI contrast dye injection (gadobutrol) $486 (2022-2023) Education (77%) Very High
NAJAFPOUR, ELHAM 3,067 1,447 MRI contrast dye injection (gadoterate) $375 (2020-2020) Education (100%) Very High
BROWN, JEFFREY M.D. 2,627 2,165 Chest X-ray, 1 view $218 (2018-2024) Food & Beverage (100%) Very High
MCDONALD, DENNIS M.D. 2,393 2,329 3D screening mammography (tomosynthesis) $1,704 (2018-2024) Food & Beverage (100%) Very High
BATISTE, STAN MD 2,259 2,155 Chest X-ray, 1 view $1,990 (2018-2024) Food & Beverage (65%) Very High
OWEN, JOSHUA MD 2,177 2,063 Knee X-ray, 4 or more views $144 (2018-2018) Food & Beverage (100%) Very High
GALINATO, ANTHONY MD 2,081 1,889 Chest X-ray, 1 view $374 (2018-2024) Food & Beverage (100%) Very High
AHDOOT, ROBEN M.D. 1,923 1,887 Chest X-ray, 1 view $2,334 (2019-2024) Travel (79%) Very High
KOO, JULIE M.D. 1,774 1,741 Chest X-ray, 1 view $123 (2019-2019) Food & Beverage (100%) Very High
DI GERONIMO, RYAN M.D., MPH 1,639 139 Contrast dye for imaging (iodine-based) $2,509 (2021-2024) Travel (75%) Very High
MERUNKA, VLADIMIR M.D. 1,612 1,543 Chest X-ray, 1 view $26 (2023-2023) Food & Beverage (100%) Very High
TRUONG, VU D.O. 1,480 1,445 Chest X-ray, 1 view $112 (2018-2018) Food & Beverage (100%) Very High
HARTY, PATRICK MD 1,177 1,072 Chest X-ray, 1 view $85,566 (2018-2024) Education (44%) Very High
LARSON, MICHAEL M.D., PH.D 891 855 Chest X-ray, 1 view $40 (2018-2022) Food & Beverage (100%) Very High
SHAKERI-CEREJO, SHIDROKH M.D. 841 779 Chest X-ray, 1 view $116 (2024-2024) Food & Beverage (100%) Very High
LAMBA, RAMIT M.D. 530 528 CT scan of abdomen and pelvis, without contrast $516 (2023-2024) Food & Beverage (100%) Very High
SHAH, AMOL MD 483 401 Sedation by physician, initial 15 minutes $4,555 (2019-2024) Food & Beverage (90%) Very High
BENT, CHRISTOPHER M.D. 269 244 Fluoroscopic guidance for central vein access device $5,156 (2018-2024) Travel (84%) Very High
Note: Radiation Oncology 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.

By Practice Pattern

Radiation Oncology encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.

Mixed Practice (40)

ProviderMedicare VolumeIndustry Payments
BONK, ROY 76,542 $126
WIESNER, JASON 27,234 $56
FOUNTAIN, JEFFREY 14,709 $727
ZIPSER, STAN 13,746 $1,110
DAVIDIAN, MARK 12,388 $6,116
MITSUNAGA, MYLES 9,979 $765
LAING, CHRISTOPHER 9,349 $86,798
YEN, PHILIP 8,864 $123
PATEL, CHIRAG 8,767 $339
FELLMETH, BRIAN 8,505 $1,158

Clinical Cardiology (1)

ProviderMedicare VolumeIndustry Payments
JONES, CHRISTOPHER 4,681 $340
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 →