John J. Brennan, MD
NPI 1154353977ActiveIndividual· Orthopaedic Surgery· East Setauket, NY
Orthopaedic Surgery (MD) in East Setauket, New York, trained at State University of New York Downstate Medical Center (class of 1993). 1,027 Medicare patients in 2024, $524,298 paid; all of their 390 Part D prescriptions were generic. Depuy Synthes Sales Inc. reported $44.70 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1154353977 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 6, 2006 |
| Last updated in NPPES | May 24, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 211330 | NY |
| Orthopaedic Surgery, Sports Medicine | 207XX0005X | 211330 | 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 - Orthopedic Surgery (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,027 |
|---|---|
| Services billed | 45,501 across 93 procedure codes |
| Paid by Medicare | $524,298 |
Part D prescriptions in 2024
| Prescriptions (claims) | 390 · 402 30-day fills |
|---|---|
| Patients | 218 |
| Total drug cost | $2,131 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Orthopedic Surgery |
| Secondary specialties | Sports Medicine |
Medical group
- Orthopedic Assoc of Long Island Physicians and Medical Group PLLCEast Setauket, NY · 32 clinicians
Hospital affiliations
- St Charles HospitalPort Jefferson, NY
- Suny/Stony Brook University HospitalStony Brook, NY
Other facilities
- Catholic Home CareHome health agency · Farmingdale, NY
Industry payments (Open Payments)
- 2025$44.70 · 1 payment from 1 company
- 2024$85.06 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Depuy Synthes Sales Inc. | $44.70 | 1 |
What the 2025 payments were for
- Food and Beverage$44.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 19 orthopedic surgeons in East Setauket · All orthopedic surgeons in New York