Mary Eva Ostaszewski, FNP-C
NPI 1003013236ActiveIndividual· Nurse Practitioner, Family· Sugar Hill, GA
Nurse Practitioner, Family (FNP-C) with Tri County Internal Medicine, PC, practicing in Sugar Hill, Georgia. Their prescriptions cost Medicare Part D more than their services did: $550,293 for 6,462 claims, against $34,112 paid for services in 2024. Lilly USA, LLC was the largest of 6 companies reporting payments in 2025, $140.37 in all, mostly food and beverage.
Overview
| NPI | 1003013236 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | No |
| NPI issued | Jun 29, 2007 |
| Last updated in NPPES | Jan 9, 2026 |
| Certified by provider | Jan 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | RN 144234 | GA |
| Registered Nurse | 163W00000X | RN144234 | GA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 247 |
|---|---|
| Services billed | 3,885 across 41 procedure codes |
| Paid by Medicare | $34,112 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,462 · 16,424 30-day fills |
|---|---|
| Patients | 1,166 |
| Total drug cost | $550,293 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Tri County Internal Medicine, PCSugar Hill, GA · 6 clinicians
Industry payments (Open Payments)
- 2025$140.37 · 8 payments from 6 companies
- 2024$53.34 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $36.44 | 2 |
| Novo Nordisk Inc | $36.20 | 2 |
| Glaxosmithkline, LLC. | $20.04 | 1 |
| Dexcom, Inc. | $19.36 | 1 |
| Pfizer Inc. | $14.52 | 1 |
What the 2025 payments were for
- Food and Beverage$140.37 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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