Sandra Fernando Sieminski, M.D.
NPI 1578739793ActiveIndividual· Ophthalmology· Buffalo, NY
Ophthalmology (M.D.) in Buffalo, New York, trained at University of Pittsburgh School of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $755,997 for 6,247 claims, against $140,051 paid for services in 2024. Alcon Vision LLC was the largest of 7 companies reporting payments in 2025, $1,536 in all, mostly food and beverage.
Overview
| NPI | 1578739793 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 7, 2008 |
| Last updated in NPPES | Mar 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 252535 | NY |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Ophthalmology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 384 |
|---|---|
| Services billed | 1,305 across 37 procedure codes |
| Paid by Medicare | $140,051 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,247 · 11,021 30-day fills |
|---|---|
| Patients | 995 |
| Total drug cost | $755,997 |
| Generic share | 66% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Ophthalmology |
Medical group
- University Ophthalmology Services IncBuffalo, NY · 17 clinicians
Hospital affiliation
- Erie County Medical CenterBuffalo, NY
Industry payments (Open Payments)
- 2025$1,536 · 33 payments from 7 companies
- 2024$1,827 · 15 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $540.19 | 16 |
| New World Medical,inc. | $325.58 | 8 |
| Sight Sciences, Inc. | $301.83 | 2 |
| Abbvie Inc. | $135.68 | 2 |
| Amgen Inc. | $114.51 | 1 |
What the 2025 payments were for
- Food and Beverage$1,536 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 23 ophthalmologists in Buffalo · All ophthalmologists in New York