Laurence Eric Mermelstein, M.D.
NPI 1326062332ActiveIndividual· Orthopaedic Surgery, Orthopaedic Surgery of the Spine· Commack, NY
Orthopaedic Surgery, Orthopaedic Surgery of the Spine (M.D.) with Chs Physician Partners PC, practicing in Commack, New York. 386 Medicare patients in 2024, $186,545 paid; nearly all of their 250 Part D prescriptions were generic (99%). Globus Medical, Inc. was the largest of 5 companies reporting payments in 2025, $625.43 in all, mostly food and beverage. Lists Ns/Lij Hs Huntington Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1326062332 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 26, 2006 |
| Last updated in NPPES | Feb 28, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Orthopaedic Surgery of the Spine Primary | 207XS0117X | 203037 | 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 | 386 |
|---|---|
| Services billed | 1,267 across 61 procedure codes |
| Paid by Medicare | $186,545 |
Part D prescriptions in 2024
| Prescriptions (claims) | 250 · 285 30-day fills |
|---|---|
| Patients | 126 |
| Total drug cost | $2,765 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
Medical group
- Chs Physician Partners PCRoslyn, NY · 743 clinicians
Hospital affiliations
- Ns/Lij Hs Huntington HospitalHuntington, NY
- Ns/Lij Hs Southside HospitalBay Shore, NY
- St Catherine of Siena HospitalSmithtown, NY
- St Charles HospitalPort Jefferson, NY
- St Francis Hospital - the Heart CenterRoslyn, NY
Other facilities
- Catholic Home CareHome health agency · Farmingdale, NY
Industry payments (Open Payments)
- 2025$625.43 · 33 payments from 5 companies
- 2024$776.39 · 24 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Globus Medical, Inc. | $231.53 | 10 |
| Depuy Synthes Sales Inc. | $153.38 | 15 |
| Medtronic, Inc. | $129.27 | 4 |
| Vertex Pharmaceuticals Incorporated | $91.38 | 3 |
| Heron Therapeutics, Inc. | $19.87 | 1 |
What the 2025 payments were for
- Food and Beverage$625.43 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Orthopaedic Surgery, Orthopaedic Surgery of the Spine providers in Commack
- 1043390917
- 1265964910
- 1295948115
- 1336163344
- 1245251198
All Orthopaedic Surgery, Orthopaedic Surgery of the Spine providers in New York