Mark Weirich
Pediatrics · Grand Rapids, MINPI 1528174646
Payments from drug & device makers
Across 58 payments — averaging $18.24 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Pfizer$104
- Tris Pharma Inc$84
- Sanofi Pasteur Inc.$83
- Takeda Pharmaceuticals U.S.A., Inc.$80
- Corium, LLC$74
- Supernus Pharmaceuticals, Inc.$73
- plus $560 from 18 others
What the payments were for
- Food & beverage$1,058100%
Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.
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 |
|---|---|---|
| Pfizer | 6 | $104 |
| Tris Pharma Inc | 5 | $84 |
| Sanofi Pasteur Inc. | 3 | $83 |
| Takeda Pharmaceuticals U.S.A., Inc. | 4 | $80 |
| Corium, LLC | 3 | $74 |
| Supernus Pharmaceuticals, Inc. | 5 | $73 |
| Neos Therapeutics, LP | 4 | $69 |
| Ironshore Pharmaceuticals Inc. | 4 | $68 |
| Sobi, Inc | 1 | $52 |
| Merck | 3 | $52 |
| Phadia US Inc. | 3 | $51 |
| Teva Pharmaceuticals USA, Inc. | 2 | $32 |
| GSK | 2 | $29 |
| Baxter Healthcare | 2 | $29 |
| Vertical Pharmaceuticals, LLC | 2 | $28 |
| Seqirus USA Inc | 1 | $22 |
| ARS Pharmaceuticals Operations, Inc. | 1 | $22 |
| Collegium Pharmaceutical, Inc. | 1 | $20 |
| Cognoa, Inc. | 1 | $17 |
| LNHC, Inc | 1 | $17 |
| Sanofi-aventis U.S. LLC | 1 | $14 |
| Arbor Pharmaceuticals, Inc. | 1 | $14 |
| Kaleo, Inc. | 1 | $14 |
| Shire North American Group Inc | 1 | $11 |
How this compares
$1,058 in reported general payments places this provider in the 80th percentile of 1,473 pediatrics providers in Michigan.
Other pediatrics in Grand Rapids
- Randall LejaGrand Rapids$211K
- Brian LecleirGrand Rapids$145K
- Rosemary OliveroGrand Rapids$79K
- Allison BannickGrand Rapids$62K
- Vilnis MeiersGrand Rapids$23K
- Nader KasimGrand Rapids$17K
- Nicholas SteedGrand Rapids$5K
- Deepa Soundara RajanDetroit$1.4M
- Meera ChitlurDetroit$1.3M
- Martin LevinsonBingham Farms$543K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.