Matthew S. Bay, P.A.
NPI 1033359401ActiveIndividual· Physician Assistant· Oshkosh, WI
Physician Assistant (P.A.) in Oshkosh, Wisconsin, trained at University of Nebraska College of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $13,016 for 213 claims, against $4,879 paid for services in 2024.
Overview
| NPI | 1033359401 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A. |
| Sole proprietor | No |
| NPI issued | Feb 25, 2009 |
| Last updated in NPPES | Sep 15, 2026 |
| Certified by provider | Sep 15, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 2387 | WI |
| Physician Assistant, Surgical | 363AS0400X | 2387-23 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 64 |
|---|---|
| Services billed | 77 across 36 procedure codes |
| Paid by Medicare | $4,879 |
Part D prescriptions in 2024
| Prescriptions (claims) | 213 · 227 30-day fills |
|---|---|
| Patients | 87 |
| Total drug cost | $13,016 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | University of Nebraska College of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Physician Assistant |
Medical groups
- Aurora Medical Group, Inc.Milwaukee, WI · 3,813 clinicians
- Fox Valley Surgical Associates LtdAppleton, WI · 35 clinicians
Hospital affiliation
- Thedacare Regional Medical Center - Appleton IncAppleton, WI
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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