Mary K. Zielke, FNP
NPI 1467841338ActiveIndividual· Nurse Practitioner· Jacksonville, IL
Nurse Practitioner (FNP) with South Central Missouri Community Health Center, practicing in Jacksonville, Illinois. Their prescriptions cost Medicare Part D more than their services did: $221,621 for 1,620 claims, against $12,815 paid for services in 2024. Alkermes, Inc. was the largest of 6 companies reporting payments in 2025, $169.83 in all, mostly food and beverage.
Overview
| NPI | 1467841338 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Jan 15, 2015 |
| Last updated in NPPES | Jun 18, 2020 |
| Certified by provider | Jun 18, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 209012398 | IL |
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 (IL); Practitioner - Nurse Practitioner (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 53 |
|---|---|
| Services billed | 189 across 7 procedure codes |
| Paid by Medicare | $12,815 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,620 · 2,105 30-day fills |
|---|---|
| Patients | 102 |
| Total drug cost | $221,621 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- South Central Missouri Community Health CenterRolla, MO · 12 clinicians
Industry payments (Open Payments)
- 2025$169.83 · 9 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alkermes, Inc. | $41.05 | 2 |
| Dexcom, Inc. | $40.13 | 2 |
| Otsuka America Pharmaceutical, Inc. | $33.86 | 2 |
| Braeburn Inc. | $25.46 | 1 |
| Janssen Pharmaceuticals, Inc | $15.06 | 1 |
What the 2025 payments were for
- Food and Beverage$169.83 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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