Gregory John Nelson, MD
NPI 1841299385ActiveIndividual· Emergency Medicine· Summit, WI
Emergency Medicine (MD) in Summit, Wisconsin, trained at University of Minnesota Medical School (class of 1991). 224 Medicare patients in 2024, $16,510 paid; nearly all of their 192 Part D prescriptions were generic (92%).
Overview
| NPI | 1841299385 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 18, 2005 |
| Last updated in NPPES | Sep 24, 2024 |
| Certified by provider | Sep 24, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 9509 | NV |
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 - Emergency Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 224 |
|---|---|
| Services billed | 333 across 12 procedure codes |
| Paid by Medicare | $16,510 |
Part D prescriptions in 2024
| Prescriptions (claims) | 192 · 192 30-day fills |
|---|---|
| Patients | 131 |
| Total drug cost | $4,900 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Emergency Medicine |
Medical group
- Aurora Medical Group, Inc.Milwaukee, WI · 3,813 clinicians
Hospital affiliations
- Aurora Medical Center - SummitSummit, WI
- Aurora Medical Center Bay AreaMarinette, WI
- Aurora St Lukes Medical CenterMilwaukee, 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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