Gregory H. Sirounian, MD
NPI 1558356063ActiveIndividual· Orthopaedic Surgery· Garden City, NY
Orthopaedic Surgery (MD) in Garden City, New York, trained at Oregon Health Sciences University School of Medicine (class of 1996). 541 Medicare patients in 2024, $264,714 paid; nearly all of their 155 Part D prescriptions were generic (99%). Zimmer Biomet Holdings, Inc. was the largest of 4 companies reporting payments in 2025, $1,914 in all, mostly travel and lodging.
Overview
| NPI | 1558356063 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 12, 2005 |
| Last updated in NPPES | Apr 2, 2021 |
| Certified by provider | Apr 2, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 30048 | AZ |
| Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery | 207XS0114X | 261465-1 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 541 |
|---|---|
| Services billed | 2,338 across 39 procedure codes |
| Paid by Medicare | $264,714 |
Part D prescriptions in 2024
| Prescriptions (claims) | 155 · 178 30-day fills |
|---|---|
| Patients | 75 |
| Total drug cost | $1,042 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Oregon Health Sciences University School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- New York UniversityNew York, NY · 6,134 clinicians
Hospital affiliation
- NYU Langone HospitalsNew York, NY
Other facilities
- NYU Langone Home Health CareHome health agency · Garden City, NY
Industry payments (Open Payments)
- 2025$1,914 · 16 payments from 4 companies
- 2024$971.56 · 12 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $1,599 | 12 |
| Stryker Corporation | $162.53 | 1 |
| Heron Therapeutics, Inc. | $106.71 | 1 |
| Ferring Pharmaceuticals Inc. | $44.99 | 2 |
What the 2025 payments were for
- Travel and Lodging$1,452 · 8 payments
- Food and Beverage$461.88 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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