Katherine Trefzger Baker, CFNP
NPI 1962520411ActiveIndividual· Nurse Practitioner, Family· Gainesville, VA
Nurse Practitioner, Family (CFNP) with Gainesville Family Practice, P.C., practicing in Gainesville, Virginia. Their prescriptions cost Medicare Part D more than their services did: $38,381 for 526 claims, against $12,917 paid for services in 2024. Novo Nordisk Inc was the largest of 4 companies reporting payments in 2025, $332.06 in all, mostly food and beverage. Lists Uva Health Haymarket Medical Center as a hospital affiliation.
Overview
| NPI | 1962520411 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CFNP |
| Sole proprietor | No |
| NPI issued | Mar 26, 2007 |
| Last updated in NPPES | Sep 28, 2022 |
| Certified by provider | Sep 28, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 0001114394 | VA |
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 (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 79 |
|---|---|
| Services billed | 251 across 21 procedure codes |
| Paid by Medicare | $12,917 |
Part D prescriptions in 2024
| Prescriptions (claims) | 526 · 1,298 30-day fills |
|---|---|
| Patients | 73 |
| Total drug cost | $38,381 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Gainesville Family Practice, P.C.Gainesville, VA · 4 clinicians
Hospital affiliation
- Uva Health Haymarket Medical CenterHaymarket, VA
Industry payments (Open Payments)
- 2025$332.06 · 13 payments from 4 companies
- 2024$325.75 · 15 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $238.91 | 9 |
| Lilly USA, LLC | $48.63 | 2 |
| Pfizer Inc. | $28.94 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $15.58 | 1 |
What the 2025 payments were for
- Food and Beverage$332.06 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Practitioner, Family providers in Gainesville
- 1629965983
- 1912845660
- 1124952635
- 1306990296
- 1881229870
- 1134460421
- 1134753007
- 1679261630
- 1396230793
- 1851053623
- 1063196582
- 1154100592