Marc D. Dyrszka, MD
NPI 1861719585ActiveIndividual· Orthopaedic Surgery, Orthopaedic Surgery of the Spine· Bronxville, NY
Orthopaedic Surgery, Orthopaedic Surgery of the Spine (MD) in Bronxville, New York, trained at Columbia University College of Physicians and Surgeons (class of 2010). 193 Medicare patients in 2024, $132,824 paid; nearly all of their 187 Part D prescriptions were generic (98%). Expanding Innovations, Inc. was the largest of 4 companies reporting payments in 2025, $198.54 in all, mostly food and beverage.
Overview
| NPI | 1861719585 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 21, 2010 |
| Last updated in NPPES | Nov 20, 2025 |
| Certified by provider | Nov 20, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Orthopaedic Surgery of the Spine Primary | 207XS0117X | 289275-1 | NY |
| Orthopaedic Surgery, Orthopaedic Surgery of the Spine | 207XS0117X | A136413 | CA |
| Orthopaedic Surgery | 207X00000X | 136413 | CA |
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 (CO); Practitioner - Orthopedic Surgery (NY); Practitioner - Orthopedic Surgery (WY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 193 |
|---|---|
| Services billed | 461 across 61 procedure codes |
| Paid by Medicare | $132,824 |
Part D prescriptions in 2024
| Prescriptions (claims) | 187 · 193 30-day fills |
|---|---|
| Patients | 69 |
| Total drug cost | $2,404 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Orthopaedics of Steamboat Springs PCFraser, CO · 27 clinicians
- Gotham Spine and Brain Surgery PLLCYonkers, NY · 9 clinicians
Hospital affiliation
- Garnet Health Medical CenterMiddletown, NY
Industry payments (Open Payments)
- 2025$198.54 · 6 payments from 4 companies
- 2024$879.16 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Expanding Innovations, Inc. | $108.69 | 1 |
| Ossur Americas, Inc. | $42.74 | 2 |
| Ebi, LLC | $27.10 | 1 |
| Orthofix Medical, Inc. | $20.01 | 2 |
What the 2025 payments were for
- Food and Beverage$198.54 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records