Michael Cook
Nephrology · Columbia, SCNPI 1649245317
Payments from drug & device makers
Across 160 payments — averaging $19.54 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- AstraZeneca$421
- Amgen$399
- Vifor Pharma, Inc.$264
- Otsuka America Pharmaceutical, Inc.$241
- Mallinckrodt Enterprises LLC$179
- Philips North America LLC$173
- plus $1K from 21 others
What the payments were for
- Food & beverage$3,11199%
- Education$161%
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 |
|---|---|---|
| AstraZeneca(2 entities) | 28 | $421 |
| Amgen(2 entities) | 26 | $399 |
| Vifor Pharma, Inc. | 14 | $264 |
| Otsuka America Pharmaceutical, Inc. | 12 | $241 |
| Mallinckrodt Enterprises LLC | 6 | $179 |
| Philips North America LLC | 8 | $173 |
| Bard Peripheral Vascular, Inc. | 8 | $161 |
| Abbott | 2 | $155 |
| GSK | 9 | $139 |
| Fresenius USA Marketing, Inc. | 8 | $131 |
| Nxstage Medical, Inc. | 1 | $123 |
| Mallinckrodt Hospital Products Inc. | 5 | $121 |
| W. L. Gore & Associates, Inc. | 5 | $106 |
| Calliditas Therapeutics US Inc. | 5 | $101 |
| Novartis | 3 | $63 |
| Sanofi | 3 | $50 |
| Bayer | 3 | $48 |
| Daiichi Sankyo Inc. | 2 | $39 |
| Aurinia Pharma U.S., Inc. | 2 | $38 |
| Alnylam Pharmaceuticals Inc. | 2 | $35 |
| OPKO Pharmaceuticals, LLC | 2 | $30 |
| VBI Vaccine (delaware) Inc. | 1 | $25 |
| ANI Pharmaceuticals, Inc. | 1 | $22 |
| Akebia Therapeutics Inc | 1 | $16 |
| Lundbeck LLC | 1 | $16 |
| Medtronic | 1 | $15 |
| Travere Therapeutics, Inc. | 1 | $15 |
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.
- CardioMEMS HF System$133
- NXSTAGE SYSTEM ONE$123
- ACTHAR$121
How this compares
$3,127 in reported general payments places this provider in the 55th percentile of 180 nephrology providers in South Carolina.
Other nephrology in Columbia
- Asha BaileyColumbia$724K
- Thomas PowellColumbia$704K
- Howard LiflandColumbia$261K
- Jennifer OthersenColumbia$48K
- Renee EllisColumbia$40K
- David ShureColumbia$19K
- Niall McLaughlinColumbia$15K
- Roy MathewColumbia$10K
- Thomas WheelerColumbia$9K
- Rajeev ShenoyColumbia$8K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.