Specialty Directory
Radiation Oncology in Orange City, FL
Federal CMS data for 8 radiation oncology providers practicing in Orange City, FL. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
8
Providers
Median industry payments
$18
8
Radiation Oncology Providers
in Orange City, FL
$18
Median Industry Payments
per provider (2018–2024)
3,473
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 |
|---|---|---|---|---|---|---|
| BALLENGER, ZACHARY MD | 19,223 | — | Contrast dye for imaging (iodine-based) | $68 (2018-2023) | — | Very High |
| HOROWITZ, DIANE MD | 6,492 | — | MRI contrast dye injection (gadobutrol) | $441 (2021-2024) | — | Very High |
| HOARAU, DWIGHT M.D. | 5,180 | — | MRI contrast dye injection (gadoterate) | $0 | — | High |
| STONEBURNER, CHARLES MD | 4,280 | — | Ultrasound of arm or leg veins | $3,735 (2018-2024) | — | Very High |
| ZAIDI, SAMANA M.D. | 2,666 | — | Screening mammography | $0 | — | High |
| SANCHEZ PADILLA, YADIEL MD | 530 | — | CT scan of head/brain, without contrast | $0 | — | High |
| BLOCK, PENELOPE M.D. | 316 | — | MRI of leg joint, without contrast | $15 (2018-2018) | — | Very High |
| BIRKHAHN, GERTRUDE | — | — | — | $21 (2019-2019) | — | Moderate |
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 (7)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| BALLENGER, ZACHARY | 19,223 | $68 |
| HOROWITZ, DIANE | 6,492 | $441 |
| HOARAU, DWIGHT | 5,180 | $0 |
| STONEBURNER, CHARLES | 4,280 | $3,735 |
| ZAIDI, SAMANA | 2,666 | $0 |
| SANCHEZ PADILLA, YADIEL | 530 | $0 |
| BLOCK, PENELOPE | 316 | $15 |
General Practice (1)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| BIRKHAHN, GERTRUDE | 0 | $21 |