David Fisher, MD
Hematology & Oncology · Boston, MANPI 1770542391
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $21,571 of the $24,860 with a category attached, or 86.8%. Kyowa Kirin, Inc. accounts for 83.2% of it on its own, with 2 other manufacturers making up the rest. Reporting peaked in 2019 at $18,542 and has fallen 81.0% since, to $3,518 in 2025.
Across 26 payments — averaging $956.17 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Kyowa Kirin, Inc.$21K
- Genmab U.S., Inc.$4K
- Daiichi Sankyo Inc.$648
Across 129 payments — averaging $3371.40 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.
- Regeneron$271K
- Eisai Inc.$161K
- Seagen Inc.$2K
- Bristol Myers Squibb$1K
What the payments were for
- Consulting fees$21,57187%
- Travel & lodging$2,47810%
- Food & beverage$8113%
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 |
|---|---|---|
| Kyowa Kirin, Inc. | 17 | $20,695 |
| Genmab U.S., Inc. | 4 | $3,518 |
| Daiichi Sankyo Inc. | 5 | $648 |
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
$24,860 in reported general payments places this provider in the 75th percentile of 374 hematology & oncology providers in Massachusetts.
Medicare billing
What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| BrukinsaZanubrutinib | 115 | $1,579,507 |
| JaypircaPirtobrutinib | 24 | $522,713 |
| VenclextaVenetoclax | 21 | $327,839 |
| CalquenceAcalabrutinib Maleate | 14 | $215,152 |
| Dexamethasone | 27 | $479 |
| Acyclovir | 17 | $188 |
| Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim | 41 | $145 |
| Gabapentin | 13 | $74 |
| Ondansetron Hcl | 16 | $55 |
| Omeprazole | 13 | $53 |
| Allopurinol | 11 | $19 |
Paid to pharmacies, not to this prescriber.
Other hematology & oncology in Boston
- David ScaddenBoston$2.6M
- Sara TolaneyBoston$799K
- Matthew DavidsBoston$693K
- Julio HajdenbergBoston$583K
- Paul RichardsonBoston$523K
- Seth WanderBoston$464K
- Corey CutlerBoston$454K
- Hanny Al-SamkariBoston$412K
- Rupal BhattBoston$380K
- Matthew Vander HeidenBoston$355K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
- Identity: NPPES NPI Registry, July 2026.