Ruth M. Mattern, MD
NPI 1790719227ActiveIndividual· Ophthalmology· Buffalo, NY
Ophthalmology (MD) in Buffalo, New York, trained at Harvard Medical School (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $37,947 for 546 claims, against $12,338 paid for services in 2024.
Overview
| NPI | 1790719227 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 10, 2006 |
| Last updated in NPPES | Jun 1, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 182871 | NY |
| Ophthalmology | 207W00000X | 32988 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 93 |
|---|---|
| Services billed | 199 across 23 procedure codes |
| Paid by Medicare | $12,338 |
Part D prescriptions in 2024
| Prescriptions (claims) | 546 · 856 30-day fills |
|---|---|
| Patients | 106 |
| Total drug cost | $37,947 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Ophthalmology |
Medical group
- University Ophthalmology Services IncBuffalo, NY · 17 clinicians
Hospital affiliation
- Erie County Medical CenterBuffalo, 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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