David Williams
Pediatric Hematology-Oncology · Boston, MANPI 1871658682
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $10,945 of the $10,963 with a category attached, or 99.8%. Vertex accounts for 80.5% of it on its own, with 2 other manufacturers making up the rest. Reporting peaked in 2024 at $8,820 and has fallen 75.9% since, to $2,125 in 2025.
Across 3 payments — averaging $3654.34 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Vertex$9K
- Astrazeneca UK Limited$2K
- Novartis$18
Across 7 payments — averaging $101,707 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.
- National Marrow Donor Program$572K
- Genetix Biotherapeutics Inc$140K
- Novartis$477
What the payments were for
- Consulting fees$10,945100%
- Food & beverage$180%
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 |
|---|---|---|
| Vertex | 1 | $8,820 |
| Astrazeneca UK Limited | 1 | $2,125 |
| Novartis | 1 | $18 |
How this compares
$10,963 in reported general payments places this provider in the 75th percentile of 114 pediatric hematology-oncology providers in Massachusetts.
See all pediatric hematology-oncology providers in Massachusetts →
Other pediatric hematology-oncology in Boston
- Leslie KeanBoston$558K
- Todd GolubBoston$213K
- Rachael GraceBoston$201K
- Stacy CroteauBoston$117K
- Matthew HeeneyBoston$101K
- Susan PerrineBoston$96K
- Christine DuncanBoston$89K
- Eric GrabowskiBoston$56K
- Derek HansonBoston$54K
- Susan ParsonsBoston$47K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.