Karen Lynette Holzer, FNP-C
NPI 1780394593ActiveIndividual· Nurse Practitioner, Family· La Vernia, TX
Nurse Practitioner, Family (FNP-C) with Wilson County Memorial Hospital District, practicing in La Vernia, Texas. Their prescriptions cost Medicare Part D more than their services did: $6,829 for 449 claims, against $965.09 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 4 companies reporting payments in 2025, $76.85 in all, mostly food and beverage. Lists Connally Memorial Medical Center as a hospital affiliation.
Overview
| NPI | 1780394593 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | Yes |
| NPI issued | Dec 2, 2022 |
| Last updated in NPPES | Dec 19, 2023 |
| Certified by provider | Dec 19, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 1099965 | TX |
| Nurse Practitioner | 363L00000X | 1099965 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 13 |
|---|---|
| Services billed | 64 across 5 procedure codes |
| Paid by Medicare | $965.09 |
Part D prescriptions in 2024
| Prescriptions (claims) | 449 · 450 30-day fills |
|---|---|
| Patients | 282 |
| Total drug cost | $6,829 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Wilson County Memorial Hospital DistrictFloresville, TX · 24 clinicians
Hospital affiliation
- Connally Memorial Medical CenterFloresville, TX
Industry payments (Open Payments)
- 2025$76.85 · 4 payments from 4 companies
- 2024$54.70 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $25.96 | 1 |
| Lilly USA, LLC | $21.03 | 1 |
| Glaxosmithkline, LLC. | $15.35 | 1 |
| Phathom Pharmaceuticals, Inc. | $14.51 | 1 |
What the 2025 payments were for
- Food and Beverage$76.85 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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