Amitabha Karmakar
Critical Care Medicine · Roseville, CANPI 1164461554
Payments from drug & device makers
Across 285 payments — averaging $18.13 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- GSK$1K
- Boehringer Ingelheim$673
- AstraZeneca$460
- AbbVie$304
- Merck$200
- United Therapeutics Corporation$189
- plus $2K from 31 others
What the payments were for
- Food & beverage$5,166100%
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 |
|---|---|---|
| GSK | 74 | $1,248 |
| Boehringer Ingelheim | 35 | $673 |
| AstraZeneca | 28 | $460 |
| AbbVie(2 entities) | 17 | $304 |
| Merck | 12 | $200 |
| United Therapeutics Corporation | 10 | $189 |
| Genentech USA, Inc. | 3 | $181 |
| Gilead | 8 | $181 |
| Harmony Biosciences LLC | 9 | $176 |
| Takeda Pharmaceuticals U.S.A., Inc. | 8 | $168 |
| Electromed, Inc. | 10 | $158 |
| Grifols USA, LLC | 7 | $147 |
| Advanced Respiratory, Inc | 10 | $142 |
| Philips North America LLC | 5 | $112 |
| Johnson & Johnson | 10 | $108 |
| Viiv Healthcare Company | 3 | $79 |
| Bayer | 4 | $72 |
| Pulmonx Corporation | 3 | $46 |
| Astellas Pharma US Inc | 2 | $45 |
| Sunovion Pharmaceuticals Inc. | 4 | $45 |
| Actelion Pharmaceuticals US, Inc. | 2 | $41 |
| Mallinckrodt Hospital Products Inc. | 2 | $41 |
| Paratek Pharmaceuticals, Inc. | 2 | $40 |
| Shire North American Group Inc | 2 | $39 |
| Circassia Inc. | 2 | $36 |
| Pfizer | 2 | $35 |
| Sanofi | 1 | $24 |
| Mayne Pharma Commercial LLC | 1 | $24 |
| Amgen | 1 | $21 |
| Vanda Pharmaceuticals Inc. | 1 | $20 |
| Optinose US, Inc. | 1 | $18 |
| Chiesi USA, Inc. | 1 | $16 |
| Mylan Specialty L.p. | 1 | $16 |
| La Jolla Pharmaceutical Company | 1 | $16 |
| Resmed Corp | 1 | $15 |
| CSL Behring | 1 | $15 |
| Biocryst Pharmaceuticals, Inc. | 1 | $15 |
How this compares
$5,166 in reported general payments places this provider in the 80th percentile of 715 critical care medicine providers in California.
Other critical care medicine in Roseville
- Rafael LupercioRedding$14.6M
- Timothy AlbertsonSacramento$7.6M
- Carolyn CalfeeSan Francisco$5M
- Bassam YaghmourOrange$4.4M
- Cedric Franklin RutlandRiverside$3.2M
- Alex HakimLos Angeles$946K
- Praveen AkuthotaSan Diego$841K
- Wael El MaraachliSan Diego$751K
- Stephen RuossStanford$635K
- Bryon QuickOakland$594K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.