Michael Isakoff
Pediatric Hematology-Oncology · Hartford, CTNPI 1982678595
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $7,964 of the $8,144 with a category attached, or 97.8%. 7 manufacturers reported payments, led by Y-mabs Therapeutics, Inc. at 42.4% of the total. Reporting peaked in 2022 at $7,086 and has fallen 98.0% since, to $144 in 2023.
Across 11 payments — averaging $740.35 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Y-mabs Therapeutics, Inc.$3K
- Regeneron$3K
- E.r. Squibb & Sons, L.L.C.$1K
- Bayer$900
- USWM, LLC$72
- Fennec Pharmaceuticals, Inc.$72
- plus $36 from 1 others
Across 92 payments — averaging $6902.67 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.
- Jazz Pharmaceuticals Inc.$507K
- E.r. Squibb & Sons, L.L.C.$55K
- Pfizer$40K
- Incyte Corporation$19K
- Merck$14K
What the payments were for
- Consulting fees$7,96498%
- Food & beverage$1802%
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 |
|---|---|---|
| Y-mabs Therapeutics, Inc. | 1 | $3,450 |
| Regeneron | 2 | $2,514 |
| E.r. Squibb & Sons, L.L.C. | 1 | $1,100 |
| Bayer | 1 | $900 |
| USWM, LLC | 2 | $72 |
| Fennec Pharmaceuticals, Inc. | 2 | $72 |
| Amgen | 2 | $36 |
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
Too few pediatric hematology-oncology providers in Connecticutto place this figure against a meaningful peer group, so we don't.
Other pediatric hematology-oncology in Hartford
- Natalie BezlerHartford$50K
- Andrea OrseyHartford$499
- Laura McKayHartford$313
- Ching LauHartford$233
- Joanna GellHartford$232
- John NorkoHartford$54
- Michael RechtNew Haven$334K
- Prasanna AnanthNew Haven$23K
- Asher MarksNew Haven$7K
- Sarah ChirnomasNew Haven$2K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.