Mary Elizabeth S. Nelson-Biersach, NP
NPI 1013961077ActiveIndividual· Nurse Practitioner· Milwaukee, WI
Nurse Practitioner (NP) with The Medical College of Wisconsin Inc and 1 other group, practicing in Milwaukee, Wisconsin. 93 Medicare patients in 2024, $52,223 paid; nearly all of their 276 Part D prescriptions were generic (94%). Ipsen Biopharmaceuticals, Inc reported $52.40 in payments in 2025, mostly food and beverage. Lists Froedtert Memorial Lutheran Hospital as a hospital affiliation.
Overview
| NPI | 1013961077 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | May 22, 2006 |
| Last updated in NPPES | Feb 16, 2024 |
| Certified by provider | Feb 16, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 131442 | 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 - Nurse Practitioner (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 93 |
|---|---|
| Services billed | 760 across 14 procedure codes |
| Paid by Medicare | $52,223 |
Part D prescriptions in 2024
| Prescriptions (claims) | 276 · 401 30-day fills |
|---|---|
| Patients | 84 |
| Total drug cost | $10,441 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- The Medical College of Wisconsin IncMilwaukee, WI · 2,115 clinicians
- Froedtert Andthe Medical College of Wisconsin Community Physicians IncWauwatosa, WI · 1,285 clinicians
Hospital affiliation
- Froedtert Memorial Lutheran HospitalMilwaukee, WI
Industry payments (Open Payments)
- 2025$52.40 · 2 payments from 1 company
- 2024$213.75 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ipsen Biopharmaceuticals, Inc | $52.40 | 2 |
What the 2025 payments were for
- Food and Beverage$52.40 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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