Alexander Riegelman, NP
NPI 1720658529ActiveIndividual· Nurse Practitioner· Manitowoc, WI
Nurse Practitioner (NP) with Baycare Clinic LLP, practicing in Manitowoc, Wisconsin. 165 Medicare patients in 2024, $36,673 paid; nearly all of their 489 Part D prescriptions were generic (97%). Stryker Corporation was the largest of 3 companies reporting payments in 2025, $241.66 in all, mostly food and beverage. Lists Aurora Medical Ctr Manitowoc County as a hospital affiliation.
Overview
| NPI | 1720658529 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jun 25, 2021 |
| Last updated in NPPES | May 19, 2026 |
| Certified by provider | May 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 11083 | WI |
| Registered Nurse | 163W00000X | 236137 | WI |
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 - Nurse Practitioner (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 165 |
|---|---|
| Services billed | 3,522 across 43 procedure codes |
| Paid by Medicare | $36,673 |
Part D prescriptions in 2024
| Prescriptions (claims) | 489 · 493 30-day fills |
|---|---|
| Patients | 183 |
| Total drug cost | $4,392 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Baycare Clinic LLPGreen Bay, WI · 200 clinicians
Hospital affiliation
- Aurora Medical Ctr Manitowoc CountyTwo Rivers, WI
Industry payments (Open Payments)
- 2025$241.66 · 6 payments from 3 companies
- 2024$61.28 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $193.45 | 3 |
| True North Surgical Inc | $31.18 | 2 |
| Depuy Synthes Sales Inc. | $17.03 | 1 |
What the 2025 payments were for
- Food and Beverage$241.66 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 nurse practitioners in Manitowoc · All nurse practitioners in Wisconsin