Katherine Niknia, MSN, NP
NPI 1205842432ActiveIndividual· Nurse Practitioner· Fairfax, VA
Nurse Practitioner (MSN, NP) with Inova Health Care Services, practicing in Fairfax, Virginia. Their prescriptions cost Medicare Part D more than their services did: $311,296 for 148 claims, against $4,486 paid for services in 2024. Lists Inova Fairfax Hospital as a hospital affiliation.
Overview
| NPI | 1205842432 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN, NP |
| Sole proprietor | No |
| NPI issued | Jul 31, 2006 |
| Last updated in NPPES | May 6, 2022 |
| Certified by provider | May 6, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 0024178349 | VA |
| Nurse Practitioner | 363L00000X | RN968239 | DC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (DC); Practitioner - Nurse Practitioner (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 37 |
|---|---|
| Services billed | 70 across 2 procedure codes |
| Paid by Medicare | $4,486 |
Part D prescriptions in 2024
| Prescriptions (claims) | 148 · 222 30-day fills |
|---|---|
| Patients | 34 |
| Total drug cost | $311,296 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Inova Health Care ServicesAlexandria, VA · 1,817 clinicians
Hospital affiliation
- Inova Fairfax HospitalFalls Church, VA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nurse practitioners in Fairfax
- 1003392606
- 1033769906
- 1033782289
- 1114977212
- 1134803315
- 1144785809
- 1174298400
- 1326220047
- 1346407574
- 1407099989
- 1427324854
- 1447427000
All 81 nurse practitioners in Fairfax · All nurse practitioners in Virginia