Patrick Duffy, MD
Vascular Surgery · Rock Hill, SCNPI 1477726271
Payments from drug & device makers
What this record shows
This record is dominated by education: $9,958 of the $11,743 with a category attached, or 84.8%. Intuitive Surgical accounts for 78.0% of it on its own, with 10 other manufacturers making up the rest. Reporting peaked in 2021 at $6,923 and has fallen 99.2% since, to $56 in 2025.
Across 46 payments — averaging $255.28 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Intuitive Surgical$9K
- Angiodynamics, Inc.$2K
- Johnson & Johnson$138
- Boston Scientific$104
- Stryker$56
- Philips North America LLC$42
- plus $124 from 5 others
What the payments were for
- Travel & lodging$6375%
- Food & beverage$1,14810%
- Education$9,95885%
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 |
|---|---|---|
| Intuitive Surgical | 12 | $9,155 |
| Angiodynamics, Inc. | 11 | $2,123 |
| Johnson & Johnson | 9 | $138 |
| Boston Scientific | 3 | $104 |
| Stryker | 2 | $56 |
| Philips North America LLC | 1 | $42 |
| Tactile Systems Technology Inc | 3 | $40 |
| Cardiovascular Systems Inc. | 1 | $26 |
| Wound Management Technologies, Inc | 1 | $25 |
| TELA Bio, Inc. | 2 | $17 |
| Sanara Medtech Inc. | 1 | $16 |
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.
How this compares
$11,743 in reported general payments places this provider in the 65th percentile of 99 vascular surgery 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 |
|---|---|---|
| Hydrocodone-AcetaminophenHydrocodone/Acetaminophen | 66 | $644 |
| Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen | 12 | $115 |
Paid to pharmacies, not to this prescriber.
Other vascular surgery in Rock Hill
- Daniel McDevittRock Hill$52K
- Elias ArbidRock Hill$19K
- Emilia KrolRock Hill$10K
- Michael NaylorRock Hill$7K
- John RossOrangeburg$847K
- David DeatonColumbia$609K
- Mathew WoosterWest Columbia$443K
- Sagar GandhiGreenville$236K
- Ravi VeeraswamyCharleston$164K
- Gerald FortunaWest Columbia$143K
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.