GlassScriptPhysician profile
Amitabha Karmakar
NPI 1164461554
$5,166.25
in general payments reported to CMS, 2019-2025
38 companies · none reported in 2025
See the full distribution for Critical Care Medicine (Internal Medicine)
Payments by year
General payments by program year, as reported to CMS.
General payments by year: 2019: $1,117 · 2020: $2,043 · 2021: $2,006.
Who reported paying
General payments only, as reported to CMS. Product names cover 2023-2025.
| Company | General payments | Years | Top products |
|---|---|---|---|
| Glaxosmithkline, LLC. | $1,248.40 | 2019-2021 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | $672.96 | 2019-2021 | |
| Astrazeneca Pharmaceuticals LP | $460.33 | 2019-2021 | |
| Merck Sharp & Dohme LLC | $199.61 | 2019-2021 | |
| United Therapeutics Corporation | $188.59 | 2019-2021 | |
| Genentech USA, INC. | $181.21 | 2019-2021 | |
| Gilead Sciences, INC. | $181.17 | 2019-2021 | |
| Harmony Biosciences LLC | $175.54 | 2020-2021 | |
| Abbvie INC. | $168.62 | 2021 | |
| Takeda Pharmaceuticals U.S.A., INC. | $167.61 | 2020-2021 | |
| Electromed, INC. | $157.85 | 2019-2021 | |
| Grifols USA, LLC | $147.48 | 2020-2021 | |
| Advanced Respiratory, INC | $142.26 | 2019-2021 | |
| Allergan, INC. | $135.81 | 2019-2020 | |
| Philips North America LLC | $112.41 | 2019-2020 |
Show all 38 companies
| Company | General payments | Years | Top products |
|---|---|---|---|
| Janssen Biotech, INC. | $107.62 | 2021 | |
| Viiv Healthcare Company | $78.77 | 2021 | |
| Bayer Healthcare Pharmaceuticals INC. | $71.77 | 2019-2021 | |
| Pulmonx Corporation | $46.18 | 2020-2021 | |
| Astellas Pharma US INC | $44.92 | 2019-2021 | |
| Sunovion Pharmaceuticals INC. | $44.64 | 2019 | |
| Actelion Pharmaceuticals US, INC. | $41.45 | 2019-2021 | |
| Mallinckrodt Hospital Products INC. | $40.92 | 2021 | |
| Paratek Pharmaceuticals, INC. | $39.64 | 2020 | |
| Shire North American Group INC | $38.67 | 2019 | |
| Circassia INC. | $36.11 | 2019-2020 | |
| Pfizer INC. | $34.82 | 2019-2021 | |
| Genzyme Corporation | $24.34 | 2021 | |
| Mayne Pharma Commercial LLC | $24.09 | 2021 | |
| Horizon Therapeutics Plc | $20.84 | 2020 | |
| Vanda Pharmaceuticals INC. | $19.74 | 2020 | |
| Optinose US, INC. | $18.34 | 2020 | |
| Chiesi USA, INC. | $16.36 | 2020 | |
| Mylan Specialty L.P. | $15.81 | 2020 | |
| La Jolla Pharmaceutical Company | $15.61 | 2021 | |
| Resmed Corp | $15.32 | 2019 | |
| Csl Behring | $15.23 | 2020 | |
| Biocryst Pharmaceuticals, INC. | $15.21 | 2020 |
If you want to bring it up
Most clinicians are glad to talk about this. A respectful way in:
- "I saw Amitabha Karmakar 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.