Allison Marie Chaffee, APRN
NPI 1649009713ActiveIndividual· Nurse Practitioner, Family· Mankato, MN
Nurse Practitioner, Family (APRN) with Mankato Clinic Ltd, practicing in Mankato, Minnesota. Mostly services rather than prescriptions: Medicare paid $5,765 for 28 patients in 2024, with only 32 Part D claims. Harmony Biosciences LLC was the largest of 9 companies reporting payments in 2025, $208.59 in all, mostly food and beverage.
Overview
| NPI | 1649009713 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | No |
| NPI issued | Jul 29, 2024 |
| Last updated in NPPES | Jul 29, 2024 |
| Certified by provider | Jul 29, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 11871 | MN |
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 (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 28 |
|---|---|
| Services billed | 485 across 16 procedure codes |
| Paid by Medicare | $5,765 |
Part D prescriptions in 2024
| Prescriptions (claims) | 32 · 48 30-day fills |
|---|---|
| Patients | 24 |
| Total drug cost | $7,404 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Mankato Clinic LtdMankato, MN · 242 clinicians
Industry payments (Open Payments)
- 2025$208.59 · 10 payments from 9 companies
- 2024$80.39 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Harmony Biosciences LLC | $38.81 | 1 |
| Avadel Cns Pharmaceuticals, LLC | $29.83 | 1 |
| Biogen, Inc. | $29.27 | 2 |
| Eisai Inc. | $24.94 | 1 |
| Teva Pharmaceuticals USA, Inc. | $20.14 | 1 |
What the 2025 payments were for
- Food and Beverage$208.59 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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