Dennis K. Duffy, P.A.
NPI 1932136447ActiveIndividual· Physician Assistant· Stony Brook, NY
Physician Assistant (P.A.) in Stony Brook, New York, trained at State University of New York at Stony Brook, School of Medicine (class of 1992). Mostly services rather than prescriptions: Medicare paid $1,073 for 19 patients in 2024, with only 21 Part D claims.
Overview
| NPI | 1932136447 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A. |
| Sole proprietor | No |
| NPI issued | Jun 28, 2006 |
| Last updated in NPPES | Jun 11, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 004529 | 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 | 19 |
|---|---|
| Services billed | 20 across 5 procedure codes |
| Paid by Medicare | $1,073 |
Part D prescriptions in 2024
| Prescriptions (claims) | 21 · 23 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $1,108 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | State University of New York at Stony Brook, School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Physician Assistant |
Medical group
- New York Spine and Brain Surgery, University Faculty Practice CorporatStony Brook, NY · 57 clinicians
Hospital affiliation
- Suny/Stony Brook University HospitalStony Brook, NY
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other physician assistants in Stony Brook
- 1053407346
- 1093842965
- 1104366657
- 1114137817
- 1164818605
- 1194500835
- 1205429412
- 1346271517
- 1356124978
- 1376161620
- 1407875800
- 1518105733
All 130 physician assistants in Stony Brook · All physician assistants in New York