GlassScriptPhysician profile
Grant M Barnum
NPI 1639178445
$2,079.64
in general payments reported to CMS, 2019-2025
20 companies · none reported in 2025
See the full distribution for Geriatric Medicine (Internal Medicine)
Payments by year
General payments by program year, as reported to CMS.
General payments by year: 2019: $1,602 · 2020: $413 · 2021: $64.66.
Who reported paying
General payments only, as reported to CMS. Product names cover 2023-2025.
| Company | General payments | Years | Top products |
|---|---|---|---|
| Amgen INC. | $298.97 | 2019-2020 | |
| Sunovion Pharmaceuticals INC. | $260.56 | 2019-2020 | |
| Pfizer INC. | $232.40 | 2019-2020 | |
| Merck Sharp & Dohme LLC | $170.49 | 2019-2021 | |
| Novartis Pharmaceuticals Corporation | $163.68 | 2019-2020 | |
| Astrazeneca Pharmaceuticals LP | $145.58 | 2019 | |
| Lilly USA, LLC | $140.76 | 2019-2020 | |
| Novo Nordisk INC | $140.46 | 2019 | |
| Sanofi-Aventis U.S. LLC | $106.24 | 2019-2020 | |
| Janssen Pharmaceuticals, INC | $105.80 | 2019-2021 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | $87.65 | 2019-2020 | |
| Allergan, INC. | $71.13 | 2019-2020 | |
| Takeda Pharmaceuticals U.S.A., INC. | $40.47 | 2019 | |
| Amarin Pharma, INC. | $26.97 | 2019 | |
| Sanofi Pasteur INC. | $24.55 | 2019 |
Show all 20 companies
| Company | General payments | Years | Top products |
|---|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $15.97 | 2019 | |
| Abbvie INC. | $13.96 | 2021 | |
| Vertical Pharmaceuticals, LLC | $12.05 | 2019 | |
| E.R. Squibb & Sons, L.L.C. | $10.98 | 2020 | |
| Glaxosmithkline, LLC. | $10.97 | 2019 |
If you want to bring it up
Most clinicians are glad to talk about this. A respectful way in:
- "I saw Grant Barnum listed in the CMS Open Payments database. Can you tell me about your work with those companies?"
- "Is there a generic or alternative to this medication, and would it work as well for me?"
- "What made you choose this particular treatment for my situation?"
These are normal questions. A good clinician will welcome them.
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Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026). Drug and device detail covers 2023-2025.