John Perentesis
Pediatric Hematology-Oncology · Cincinnati, OHNPI 1679637698
Payments from drug & device makers
What this record shows
Varian Medical Systems, Inc. accounts for 60.2% of it on its own, with 1 other manufacturer making up the rest. Reporting peaked in 2019 at $689 and has fallen 83.6% since, to $113 in 2023.
Across 9 payments — averaging $127.24 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Varian Medical Systems, Inc.$689
- Siemens Medical Solutions USA, Inc.$456
Across 21 payments — averaging $59,498 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.
- Varian Medical Systems, Inc.$965K
- Siemens Medical Solutions USA, Inc.$248K
- E.r. Squibb & Sons, L.L.C.$13K
- Takeda Pharmaceuticals U.S.A., Inc.$8K
- Jazz Pharmaceuticals Inc.$7K
- Astellas Pharma Global Development$6K
- plus $2K from 1 others
What the payments were for
- Travel & lodging$66058%
- Food & beverage$48542%
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 |
|---|---|---|
| Varian Medical Systems, Inc. | 4 | $689 |
| Siemens Medical Solutions USA, Inc. | 5 | $456 |
What the payments were tied to
Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.
How this compares
$1,145 in reported general payments places this provider in the 55th percentile of 143 pediatric hematology-oncology providers in Ohio.
Other pediatric hematology-oncology in Cincinnati
- Ashish KumarCincinnati$420K
- Sonata JodeleCincinnati$113K
- Russell WareCincinnati$83K
- Christopher DandoyCincinnati$78K
- Eric MullinsCincinnati$78K
- Pooja KhandelwalCincinnati$69K
- Michael JordanCincinnati$61K
- Michael GrimleyCincinnati$51K
- Cristina TarangoCincinnati$34K
- Anthony SabulskiCincinnati$32K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.