Nicholas N. Armstrong, MD
NPI 1457329534ActiveIndividual· Surgery· Cudahy, WI
Surgery (MD) in Cudahy, Wisconsin, trained at University of Wisconsin School of Medicine (class of 1993). Mostly services rather than prescriptions: Medicare paid $87,956 for 95 patients in 2024, with only 37 Part D claims. Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $194.02 in all, mostly food and beverage.
Overview
| NPI | 1457329534 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 14, 2006 |
| Last updated in NPPES | Feb 22, 2022 |
| Certified by provider | Feb 22, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 35530-20 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Surgery (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 95 |
|---|---|
| Services billed | 535 across 54 procedure codes |
| Paid by Medicare | $87,956 |
Part D prescriptions in 2024
| Prescriptions (claims) | 37 · 39 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $681.77 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | General Surgery |
Medical group
- Aurora Medical Group, Inc.Milwaukee, WI · 3,813 clinicians
Hospital affiliations
- Aurora Lakeland Medical CenterElkhorn, WI
- Aurora Medical Ctr OshkoshOshkosh, WI
- Aurora St Lukes Medical CenterMilwaukee, WI
Industry payments (Open Payments)
- 2025$194.02 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $137.84 | 1 |
| Ucb, Inc. | $30.35 | 1 |
| Sk Life Science, Inc. | $25.83 | 1 |
What the 2025 payments were for
- Food and Beverage$194.02 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery providers in Cudahy
- 1215018825
- 1467624197
- 1073513974
- 1245318765