William A. Marasovich, MD DDS
NPI 1720039449ActiveIndividual· Otolaryngology· Sewickley, PA
Otolaryngology (MD DDS) in Sewickley, Pennsylvania, trained at Northeastern Ohio University College of Medicine (class of 1987). 421 Medicare patients in 2024, $134,197 paid; nearly all of their 2,053 Part D prescriptions were generic (94%). Genzyme Corporation was the largest of 11 companies reporting payments in 2025, $3,150 in all, mostly food and beverage.
Overview
| NPI | 1720039449 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD DDS |
| Sole proprietor | No |
| NPI issued | May 15, 2006 |
| Last updated in NPPES | Apr 17, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | MD048638L | PA |
| Otolaryngology, Otolaryngic Allergy | 207YX0602X | MD048638L | PA |
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 - Otolaryngology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 421 |
|---|---|
| Services billed | 9,627 across 25 procedure codes |
| Paid by Medicare | $134,197 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,053 · 2,327 30-day fills |
|---|---|
| Patients | 682 |
| Total drug cost | $37,301 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Northeastern Ohio University College of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Otolaryngology |
| Secondary specialties | Allergy/Immunology |
Hospital affiliation
- Heritage Valley SewickleySewickley, PA
Industry payments (Open Payments)
- 2025$3,150 · 29 payments from 11 companies
- 2024$1,965 · 18 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $1,023 | 9 |
| Csl Behring | $453.10 | 4 |
| Regeneron Healthcare Solutions, Inc. | $327.91 | 3 |
| Ars Pharmaceuticals Operations, Inc. | $269.56 | 4 |
| Astrazeneca Pharmaceuticals LP | $243.50 | 2 |
What the 2025 payments were for
- Food and Beverage$3,150 · 29 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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