Corwin McGee, MD
Rheumatology · Greenville, SCNPI 1447783261
Payments from drug & device makers
Across 212 payments — averaging $21.36 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Amgen$1K
- AbbVie$758
- Johnson & Johnson$323
- GSK$251
- AstraZeneca$219
- UCB, Inc.$205
- plus $2K from 20 others
What the payments were for
- Food & beverage$4,529100%
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 |
|---|---|---|
| Amgen | 77 | $1,210 |
| AbbVie | 29 | $758 |
| Johnson & Johnson(2 entities) | 13 | $323 |
| GSK | 7 | $251 |
| AstraZeneca | 6 | $219 |
| UCB, Inc. | 10 | $205 |
| Novartis | 7 | $165 |
| Boehringer Ingelheim | 8 | $160 |
| Lilly USA, LLC | 7 | $134 |
| Mallinckrodt Hospital Products Inc. | 4 | $128 |
| Sanofi | 4 | $108 |
| Octapharma USA, Inc. | 1 | $107 |
| Radius Health, Inc. | 4 | $103 |
| E.r. Squibb & Sons, L.L.C. | 4 | $93 |
| Fresenius Kabi USA, LLC | 4 | $79 |
| ANI Pharmaceuticals, Inc. | 3 | $71 |
| Genentech USA, Inc. | 4 | $62 |
| Organon | 4 | $61 |
| Aurinia Pharma U.S., Inc. | 3 | $57 |
| Sandoz | 3 | $48 |
| Scilex Pharmaceuticals Inc. | 2 | $47 |
| Pfizer | 3 | $44 |
| Almatica Pharma LLC | 2 | $35 |
| Sobi, Inc | 1 | $20 |
| Bristol Myers Squibb | 1 | $20 |
| Avanos Medical | 1 | $19 |
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.
- BENLYSTA$116
- OCTAGAM IMMUNE GLOBULIN (HUMAN)$107
- KRYSTEXXA$105
- SAPHNELO$102
How this compares
$4,529 in reported general payments places this provider in the 45th percentile of 123 rheumatology providers in South Carolina.
Medicare billing
What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Humira(Cf) PenAdalimumab | 28 | $228,416 |
| RinvoqUpadacitinib | 25 | $156,206 |
| OtezlaApremilast | 13 | $60,029 |
| Hydroxychloroquine Sulfate | 259 | $12,283 |
| OtrexupMethotrexate/Pf | 12 | $10,040 |
| Mycophenolate Mofetil | 41 | $9,593 |
| MethotrexateMethotrexate Sodium | 156 | $4,716 |
| Leflunomide | 80 | $3,846 |
| Celecoxib | 53 | $2,911 |
| Prednisone | 358 | $2,749 |
| Colchicine | 12 | $1,041 |
| Sulfasalazine DrSulfasalazine | 11 | $896 |
| Sulfasalazine | 19 | $647 |
| Pilocarpine Hcl | 14 | $563 |
| Allopurinol | 39 | $509 |
Paid to pharmacies, not to this prescriber.
Companies that both paid and supply prescribed drugs
These companies both reported payments to this provider and make drugs the provider prescribed under Medicare Part D in 2024. For most specialties this overlap is expected — a cardiologist who is paid by a cardiology drugmaker also treats heart disease. It is shown so the reader can see it, not because it implies anything on its own.
| Company | Paid to this provider | Part D cost of their drugs |
|---|---|---|
| AbbVieRinvoq | $758 | $156,20625 claims |
| AmgenOtezla | $1,210 | $60,02913 claims |
| Scilex Pharmaceuticals Inc.Colchicine | $47 | $1,04112 claims |
Reading this fairly. The Part D column is what drug plans and patients paid pharmacies — this provider received none of it, and it reflects how many patients they treat and what those drugs cost. Against peers, this provider's reported payments sit in the 45th percentile of 123 rheumatology providers in South Carolina.
Other rheumatology in Greenville
- Alan BrownGreenville$947K
- Richard KimGreenville$706K
- Long Huynh-DucGreenville$475K
- Jeffrey LawsonGreenville$370K
- Corey EphrussiGreenville$54K
- Suhail KumarGreenville$34K
- David ZelmanGreenville$25K
- Gulzar MerchantGreenville$18K
- Ezinma EzealahGreenville$12K
- Stephen MullisGreenville$8K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
- Identity: NPPES NPI Registry, July 2026.