Peggy J. Maasjo, NP
NPI 1508883117ActiveIndividual· Nurse Practitioner· Detroit Lakes, MN
Nurse Practitioner (NP) with Sanford Medical Center Fargo, practicing in Detroit Lakes, Minnesota. Their prescriptions cost Medicare Part D more than their services did: $933,205 for 9,988 claims, against $102,508 paid for services in 2024. Lists Sanford Medical Center Fargo as a hospital affiliation.
Overview
| NPI | 1508883117 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jul 17, 2006 |
| Last updated in NPPES | Oct 1, 2026 |
| Certified by provider | Oct 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 299 | MN |
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 - Nurse Practitioner (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 256 |
|---|---|
| Services billed | 4,152 across 73 procedure codes |
| Paid by Medicare | $102,508 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,988 · 21,967 30-day fills |
|---|---|
| Patients | 565 |
| Total drug cost | $933,205 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Sanford Medical Center FargoWest Fargo, ND · 1,225 clinicians
Hospital affiliation
- Sanford Medical Center FargoFargo, ND
Other facilities
- Sanford Home Care FargoHome health agency · Fargo, ND
- Vivie Home HealthHome health agency · Alexandria, MN
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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