Mary Makenna Pedersen, FNP-C
NPI 1700554979ActiveIndividual· Nurse Practitioner, Primary Care· Jefferson, IA
Nurse Practitioner, Primary Care (FNP-C) with Greene County Medical Center, practicing in Jefferson, Iowa. Part D covered 2,345 prescriptions written in 2024, 85% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 6 companies reporting payments in 2025, $291.34 in all, mostly food and beverage. Lists Greene County Medical Center as a hospital affiliation.
Overview
| NPI | 1700554979 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | No |
| NPI issued | Sep 2, 2021 |
| Last updated in NPPES | Sep 2, 2021 |
| Certified by provider | Sep 2, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Primary Care Primary | 363LP2300X | A165415 | IA |
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 (IA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 2,345 · 4,202 30-day fills |
|---|---|
| Patients | 215 |
| Total drug cost | $203,102 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Greene County Medical CenterJefferson, IA · 17 clinicians
Hospital affiliation
- Greene County Medical CenterJefferson, IA
Industry payments (Open Payments)
- 2025$291.34 · 7 payments from 6 companies
- 2024$531.34 · 15 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $90.20 | 1 |
| E.R. Squibb & Sons, L.L.C. | $72.81 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $55.06 | 2 |
| Insulet Corporation | $45.48 | 1 |
| Xeris Pharmaceuticals, Inc. | $13.95 | 1 |
What the 2025 payments were for
- Food and Beverage$291.34 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records