Mark Matiash, MD
NPI 1689661563ActiveIndividual· Anesthesiology· Nyack, NY
Anesthesiology (MD) in Nyack, New York, trained at State University of New York at Stony Brook, School of Medicine (class of 1998). Medicare paid $23,048 for services to 266 patients in 2024.
Overview
| NPI | 1689661563 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 5, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 216183 | 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 - Anesthesiology (NJ); Practitioner - Anesthesiology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 266 |
|---|---|
| Services billed | 283 across 34 procedure codes |
| Paid by Medicare | $23,048 |
Education and affiliations
| Medical school | State University of New York at Stony Brook, School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Anesthesiology |
Medical group
- North Shore - Lij Anesthesiology, PCUniondale, NY · 1,003 clinicians
Hospital affiliation
- Nyack HospitalNyack, NY
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 21 anesthesiologists in Nyack · All anesthesiologists in New York