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)
4,098
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.
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. | 77,564 | — | MRI contrast dye injection (gadobutrol) | $126 (2019-2020) | — | Very High |
| WIESNER, JASON M.D. | 28,060 | — | Contrast dye for imaging (iodine-based) | $56 (2022-2023) | — | Very High |
| MITSUNAGA, MYLES | 16,475 | — | Chest X-ray, 1 view | $765 (2018-2024) | — | Very High |
| FOUNTAIN, JEFFREY D.O. | 15,165 | — | Contrast dye for imaging (iodine-based) | $727 (2019-2024) | — | Very High |
| ZIPSER, STAN M.D. | 14,283 | — | Contrast dye for imaging (iodine-based) | $1,110 (2018-2024) | — | Very High |
| DAVIDIAN, MARK M.D. | 12,728 | — | Contrast dye for imaging (iodine-based) | $6,116 (2018-2024) | — | Very High |
| FELLMETH, BRIAN M.D. | 10,010 | — | Contrast dye for imaging (iodine-based) | $1,158 (2018-2024) | — | Very High |
| LAING, CHRISTOPHER M.D. | 9,614 | — | Contrast dye for imaging (iodine-based) | $86,798 (2018-2024) | — | Very High |
| YEN, PHILIP M.D. | 9,355 | — | MRI contrast dye injection (gadobutrol) | $123 (2019-2019) | — | Very High |
| PATEL, CHIRAG M.D. | 9,141 | — | Contrast dye for imaging (iodine-based) | $339 (2018-2020) | — | Very High |
| CHEN, HENRY M.D. | 7,883 | — | Chest X-ray, 1 view | $944 (2018-2024) | — | Very High |
| MANDAVA, ANEEL M.D. | 6,660 | — | Contrast dye for imaging (iodine-based) | $6,038 (2018-2024) | — | Very High |
| TRAN, KHAI M.D. | 5,652 | — | MRI contrast dye injection (gadobutrol) | $67,532 (2018-2023) | — | Very High |
| KONG, GARYUN M.D. | 5,450 | — | Contrast dye for imaging (iodine-based) | $126 (2019-2019) | — | Very High |
| WU, THOMAS M.D. | 5,418 | — | Contrast dye for imaging (iodine-based) | $3,497 (2018-2024) | — | Very High |
| JONES, CHRISTOPHER M.D. | 4,749 | — | CT guidance for radiation therapy | $340 (2018-2023) | — | Very High |
| DUFFIELD, CURTIS M.D. | 4,525 | — | MRI contrast dye injection (gadoterate) | $556 (2018-2024) | — | Very High |
| SASAKI, ARIA M.D. | 4,401 | — | Contrast dye for imaging (iodine-based) | $3,088 (2018-2024) | — | Very High |
| TRINH, ANGELA M.D. | 4,382 | — | MRI contrast dye injection (gadobutrol) | $236 (2019-2019) | — | Very High |
| DARDENELLE, SONJA M.D. | 4,301 | — | MRI contrast dye injection (gadobutrol) | $375 (2018-2018) | — | Very High |
| ICHEL, DANIEL M.D. | 4,098 | — | Contrast dye for imaging (iodine-based) | $67 (2023-2023) | — | Very High |
| CHAO, CHRISTINE M.D. | 4,032 | — | Contrast dye for imaging (iodine-based) | $123 (2019-2019) | — | Very High |
| LI, ALLEN D.O. | 3,918 | — | MRI contrast dye injection (gadobutrol) | $751 (2018-2020) | — | Very High |
| MCDONALD, DENNIS M.D. | 3,719 | — | Screening mammography | $1,704 (2018-2024) | — | Very High |
| VONG, STEPHEN MD | 3,168 | — | MRI contrast dye injection (gadobutrol) | $486 (2022-2023) | — | Very High |
| NAJAFPOUR, ELHAM | 3,067 | — | MRI contrast dye injection (gadoterate) | $375 (2020-2020) | — | Very High |
| BROWN, JEFFREY M.D. | 2,900 | — | Chest X-ray, 1 view | $218 (2018-2024) | — | Very High |
| KOO, JULIE M.D. | 2,832 | — | Screening mammography | $123 (2019-2019) | — | Very High |
| OWEN, JOSHUA MD | 2,713 | — | Hip X-ray, 2-3 views | $144 (2018-2018) | — | Very High |
| GALINATO, ANTHONY MD | 2,689 | — | Chest X-ray, 1 view | $374 (2018-2024) | — | Very High |
| BATISTE, STAN MD | 2,541 | — | Chest X-ray, 1 view | $1,990 (2018-2024) | — | Very High |
| AHDOOT, ROBEN M.D. | 1,923 | — | Chest X-ray, 1 view | $2,334 (2019-2024) | — | Very High |
| LARSON, MICHAEL M.D., PH.D | 1,755 | — | CT scan of abdomen and pelvis with contrast | $40 (2018-2022) | — | Very High |
| DI GERONIMO, RYAN M.D., MPH | 1,652 | — | Contrast dye for imaging (iodine-based) | $2,509 (2021-2024) | — | Very High |
| MERUNKA, VLADIMIR M.D. | 1,612 | — | Chest X-ray, 1 view | $26 (2023-2023) | — | Very High |
| TRUONG, VU D.O. | 1,480 | — | Chest X-ray, 1 view | $112 (2018-2018) | — | Very High |
| HARTY, PATRICK MD | 1,177 | — | Chest X-ray, 1 view | $85,566 (2018-2024) | — | Very High |
| LAMBA, RAMIT M.D. | 1,127 | — | CT scan of abdomen and pelvis with contrast | $516 (2023-2024) | — | Very High |
| SHAKERI-CEREJO, SHIDROKH M.D. | 916 | — | Chest X-ray, 1 view | $116 (2024-2024) | — | Very High |
| SHAH, AMOL MD | 483 | — | Sedation by physician, initial 15 minutes | $4,555 (2019-2024) | — | Very High |
| BENT, CHRISTOPHER M.D. | 269 | — | Fluoroscopic guidance for central vein access device | $5,156 (2018-2024) | — | 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)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| BONK, ROY | 77,564 | $126 |
| WIESNER, JASON | 28,060 | $56 |
| MITSUNAGA, MYLES | 16,475 | $765 |
| FOUNTAIN, JEFFREY | 15,165 | $727 |
| ZIPSER, STAN | 14,283 | $1,110 |
| DAVIDIAN, MARK | 12,728 | $6,116 |
| FELLMETH, BRIAN | 10,010 | $1,158 |
| LAING, CHRISTOPHER | 9,614 | $86,798 |
| YEN, PHILIP | 9,355 | $123 |
| PATEL, CHIRAG | 9,141 | $339 |
Clinical Cardiology (1)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| JONES, CHRISTOPHER | 4,749 | $340 |