Samantha Augusta Farnum, APRN
NPI 1437518552ActiveIndividual· Nurse Practitioner, Family· Fairmont, MN
Nurse Practitioner, Family (APRN) with Cornerstone Clinic, PSC, practicing in Fairmont, Minnesota. Their prescriptions cost Medicare Part D more than their services did: $404,425 for 4,505 claims, against $41,081 paid for services in 2024. Teva Pharmaceuticals USA, Inc. was the largest of 11 companies reporting payments in 2025, $254.70 in all, mostly food and beverage. Lists Mayo Clinic Health System - Fairmont and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1437518552 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | Yes |
| NPI issued | Feb 17, 2016 |
| Last updated in NPPES | Feb 17, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | CNP4398 | 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 | 207 |
|---|---|
| Services billed | 1,735 across 63 procedure codes |
| Paid by Medicare | $41,081 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,505 · 7,693 30-day fills |
|---|---|
| Patients | 285 |
| Total drug cost | $404,425 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Cornerstone Clinic, PSCFairmont, MN · 5 clinicians
Hospital affiliations
- Mayo Clinic Health System - FairmontFairmont, MN
- Mayo Clinic Health System - MankatoMankato, MN
- United Hospital DistrictBlue Earth, MN
Industry payments (Open Payments)
- 2025$254.70 · 16 payments from 11 companies
- 2024$275.81 · 16 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teva Pharmaceuticals USA, Inc. | $40.28 | 2 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $35.51 | 2 |
| Esperion Therapeutics, Inc. | $32.77 | 2 |
| Xeris Pharmaceuticals, Inc. | $31.50 | 2 |
| Phadia US Inc. | $29.49 | 2 |
What the 2025 payments were for
- Food and Beverage$254.70 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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