Aaron Michael Ginster, M.D.
NPI 1265726582ActiveIndividual· Emergency Medicine· Grafton, WI
Emergency Medicine (M.D.) in Grafton, Wisconsin, trained at Medical College of Wisconsin (class of 2011). 386 Medicare patients in 2024, $44,524 paid; nearly all of their 340 Part D prescriptions were generic (92%).
Overview
| NPI | 1265726582 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 3, 2011 |
| Last updated in NPPES | Jul 8, 2024 |
| Certified by provider | Jul 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 63598 | WI |
| Emergency Medicine | 207P00000X | 125059600 | IL |
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 - Emergency Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 386 |
|---|---|
| Services billed | 659 across 16 procedure codes |
| Paid by Medicare | $44,524 |
Part D prescriptions in 2024
| Prescriptions (claims) | 340 · 345 30-day fills |
|---|---|
| Patients | 242 |
| Total drug cost | $10,225 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Aurora Medical Group, Inc.Milwaukee, WI · 3,813 clinicians
- Ermed, SCMilwaukee, WI · 45 clinicians
Hospital affiliations
- Aurora Medical CenterGrafton, WI
- Aurora St Lukes Medical CenterMilwaukee, WI
- West Allis Memorial HospitalWest Allis, 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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