Tammy Ann Guffey, NP
NPI 1649949645ActiveIndividual· Nurse Practitioner· Somerset, KY
Nurse Practitioner (NP) in Somerset, Kentucky, licensed in KY, with an NPI issued in September 2021. Their prescriptions cost Medicare Part D more than their services did: $527,645 for 2,568 claims, against $58,745 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 14 companies reporting payments in 2025, $332.19 in all, mostly food and beverage.
Overview
| NPI | 1649949645 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Sep 13, 2021 |
| Last updated in NPPES | May 2, 2022 |
| Certified by provider | May 2, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 3016670 | KY |
| Nurse Practitioner, Family | 363LF0000X | 3016670 | KY |
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 (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 121 |
|---|---|
| Services billed | 3,143 across 21 procedure codes |
| Paid by Medicare | $58,745 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,568 · 3,937 30-day fills |
|---|---|
| Patients | 299 |
| Total drug cost | $527,645 |
| Generic share | 71% of claims |
Industry payments (Open Payments)
- 2025$332.19 · 16 payments from 14 companies
- 2024$632.08 · 39 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $39.16 | 2 |
| Regeneron Healthcare Solutions, Inc. | $37.20 | 2 |
| Amgen Inc. | $26.25 | 1 |
| Verona Pharma, Inc. | $25.67 | 1 |
| Csl Behring | $25.63 | 1 |
What the 2025 payments were for
- Food and Beverage$332.19 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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