Walter Rok
Adolescent Medicine · Fall River, MANPI 1780649467
Payments from drug & device makers
What this record shows
Merck accounts for 77.5% of it on its own, with 4 other manufacturers making up the rest. Reporting peaked in 2019 at $1,549 and has fallen 88.9% since, to $172 in 2023.
Across 26 payments — averaging $66.86 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Merck$1K
- Ironshore Pharmaceuticals Inc.$180
- GSK$173
- Pfizer$23
- Corium, LLC$15
Across 621 payments — averaging $3944.39 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.
- Pfizer$708K
- GSK$660K
- Merck$573K
- Modernatx, Inc.$399K
- Sanofi Pasteur Inc.$110K
What the payments were for
- Travel & lodging$93254%
- Food & beverage$80646%
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 |
|---|---|---|
| Merck | 15 | $1,347 |
| Ironshore Pharmaceuticals Inc. | 3 | $180 |
| GSK | 6 | $173 |
| Pfizer | 1 | $23 |
| Corium, LLC | 1 | $15 |
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
$1,738 in reported general payments places this provider in the 85th percentile of 59 adolescent medicine providers in Massachusetts.
Other adolescent medicine in Fall River
- Staci ResnickFall River$135
- Areej HassanBoston$52K
- Catherine GordonBoston$14K
- Natalie JosephBoston$11K
- Mark BelemjianEast Longmeadow$3K
- Charles BrownNewton$3K
- Emma HughesWorcester$2K
- Cherrie ChuaWestfield$1K
- Jeffrey SmithWest Bridgewater$1K
- Leif NorenbergYarmouth Port$1K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.