Collin Patrick Duffy, PA-C
NPI 1619699493ActiveIndividual· Physician Assistant· Smithtown, NY
Physician Assistant (PA-C) with Timothy D. Groth MD PC, practicing in Smithtown, New York. Their prescriptions cost Medicare Part D more than their services did: $343,797 for 2,526 claims, against $11,221 paid for services in 2024. Medtronic, Inc. was the largest of 24 companies reporting payments in 2025, $16,975 in all, mostly food and beverage.
Overview
| NPI | 1619699493 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 19, 2022 |
| Last updated in NPPES | Mar 15, 2024 |
| Certified by provider | Mar 15, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 029074 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 67 |
|---|---|
| Services billed | 181 across 9 procedure codes |
| Paid by Medicare | $11,221 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,526 · 2,616 30-day fills |
|---|---|
| Patients | 529 |
| Total drug cost | $343,797 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Timothy D. Groth MD PCShirley, NY · 43 clinicians
Industry payments (Open Payments)
- 2025$16,975 · 272 payments from 24 companies
- 2024$13,568 · 321 payments from 28 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $10,076 | 63 |
| Boston Scientific Corporation | $942.80 | 14 |
| Abbott Laboratories | $933.45 | 9 |
| Nalu Medical, Inc. | $787.50 | 5 |
| Abbvie Inc. | $674.87 | 31 |
What the 2025 payments were for
- Food and Beverage$7,742 · 244 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$5,669 · 4 payments
- Travel and Lodging$2,776 · 19 payments
- Consulting Fee$787.50 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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