Arnab Chakravarti
Radiation Oncology · Columbus, OHNPI 1073549515
Payments from drug & device makers
What this record shows
This record is dominated by food and beverage: $195 of the $239 with a category attached, or 81.9%. Every reported general payment came from a single manufacturer, Siemens Medical Solutions USA, Inc.. That places this record below the midpoint for radiation oncology clinicians in OH, where the typical reported total is $338.
Across 5 payments — averaging $47.73 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Siemens Medical Solutions USA, Inc.$239
Across 26 payments — averaging $55,711 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.
- Siemens Medical Solutions USA, Inc.$1.2M
- Varian Medical Systems, Inc.$170K
- AbbVie$47K
- Merck$3K
What the payments were for
- Travel & lodging$4318%
- Food & beverage$19582%
Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.
General payments by program year
Who reported the general payments
Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.
| Company | Payments | Total |
|---|---|---|
| Siemens Medical Solutions USA, Inc. | 5 | $239 |
How this compares
$239 in reported general payments places this provider in the 40th percentile of 255 radiation oncology providers in Ohio.
Other radiation oncology in Columbus
- Joshua PalmerColumbus$123K
- Sujith BaligaColumbus$26K
- Evan WuthrickColumbus$21K
- Raju RavalColumbus$11K
- Allison QuickColumbus$7K
- Jeremy BrownsteinColumbus$6K
- Megan DehaanColumbus$4K
- Eric MillerColumbus$4K
- Dukagjin BlakajColumbus$3K
- Raj SinghColumbus$2K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.