David Calderwood
Family Medicine · Huntsville, ALNPI 1235110586
Payments from drug & device makers
Across 155 payments — averaging $15.62 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Novo Nordisk$562
- AbbVie$278
- AstraZeneca$222
- Amgen$141
- Boehringer Ingelheim$136
- Salix Pharmaceuticals, A Division Of Bausch Health US, LLC$135
- plus $948 from 20 others
What the payments were for
- Food & beverage$2,422100%
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 |
|---|---|---|
| Novo Nordisk | 42 | $562 |
| AbbVie(2 entities) | 22 | $278 |
| AstraZeneca | 17 | $222 |
| Amgen | 7 | $141 |
| Boehringer Ingelheim | 2 | $136 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 9 | $135 |
| Mirum Pharmaceuticals, Inc. | 1 | $126 |
| Lilly USA, LLC | 7 | $96 |
| Amarin Pharma, Inc. | 6 | $96 |
| Esperion Therapeutics, Inc. | 5 | $85 |
| Merck | 5 | $77 |
| Johnson & Johnson | 5 | $73 |
| Eisai Inc. | 5 | $63 |
| Pfizer | 4 | $59 |
| Astellas Pharma US Inc | 3 | $50 |
| Regeneron Healthcare Solutions, Inc. | 2 | $32 |
| Novartis | 2 | $29 |
| Currax Pharmaceuticals LLC | 2 | $29 |
| E.r. Squibb & Sons, L.L.C. | 2 | $27 |
| GSK | 1 | $20 |
| Daiichi Sankyo Inc. | 1 | $19 |
| Shire North American Group Inc | 1 | $19 |
| Teva Pharmaceuticals USA, Inc. | 1 | $14 |
| Kowa Pharmaceuticals America, Inc. | 1 | $12 |
| Adlon Therapeutics L.p. | 1 | $12 |
| Zyla Life Sciences, Inc. | 1 | $11 |
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
$2,422 in reported general payments places this provider in the 70th percentile of 1,680 family medicine providers in Alabama.
Other family medicine in Huntsville
- Michael CarterHuntsville$3.4M
- Randle MiddletonHuntsville$3.3M
- Timothy HowardHuntsville$3M
- Edward WittHuntsville$321K
- Kathleen DupperHuntsville$210K
- Whitney TewHuntsville$114K
- Jeffrey GarberHuntsville$87K
- Daniel EnglertHuntsville$82K
- Jack EnglertHuntsville$37K
- Tobin FisherHuntsville$33K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.