Tamara Rena Postlethwait, FNP-BC
NPI 1003325150ActiveIndividual· Nurse Practitioner, Family· Marietta, OH
Nurse Practitioner, Family (FNP-BC) with Marietta Memorial Hospital and 1 other group, practicing in Marietta, Ohio. Their prescriptions cost Medicare Part D more than their services did: $1,726,275 for 1,937 claims, against $21,902 paid for services in 2024. Amgen Inc. was the largest of 6 companies reporting payments in 2025, $418.25 in all, mostly food and beverage. Lists Camden Clark Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1003325150 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-BC |
| Sole proprietor | No |
| NPI issued | Sep 20, 2017 |
| Last updated in NPPES | Oct 28, 2026 |
| Certified by provider | Oct 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | APRN.CNP.022114 | OH |
| Nurse Practitioner, Family | 363LF0000X | APRN-64878FNP-BC | WV |
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 (OH); Practitioner - Nurse Practitioner (WV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 195 |
|---|---|
| Services billed | 416 across 6 procedure codes |
| Paid by Medicare | $21,902 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,937 · 3,078 30-day fills |
|---|---|
| Patients | 286 |
| Total drug cost | $1,726,275 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Marietta Memorial HospitalMarietta, OH · 392 clinicians
- Marietta Memorial Hospital of Tyler County IncSaint Marys, WV · 16 clinicians
Hospital affiliations
- Camden Clark Medical CenterParkersburg, WV
- Marietta Memorial HospitalMarietta, OH
- Selby General HospitalMarietta, OH
- Sistersville General HospitalSistersville, WV
Industry payments (Open Payments)
- 2025$418.25 · 21 payments from 6 companies
- 2024$615.84 · 28 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $236.39 | 12 |
| Novartis Pharmaceuticals Corporation | $69.95 | 4 |
| Ani Pharmaceuticals, Inc. | $50.13 | 2 |
| Alexion Pharmaceuticals, Inc. | $22.52 | 1 |
| Ucb, Inc. | $19.68 | 1 |
What the 2025 payments were for
- Food and Beverage$418.25 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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