Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Katherine Niknia, MSN, NP

Nurse Practitioner in Fairfax, VA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1205842432

Verified

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Registry record

Entity type Individual (Type 1)

Name Katherine Niknia

Credential MSN, NP

Sex Female

Practice address 8081 Innovation Park Dr, Fairfax, VA, 22031

Phone (571) 472-4724

Fax (571) 472-0241

Enumeration date Jul 31, 2006

Last updated in NPPES May 6, 2022

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN968239 (DC) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 0024178349 (VA) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Katherine Niknia?

The National Provider Identifier (NPI) for Katherine Niknia is 1205842432, a Type 1 (individual) record in the CMS NPPES registry.

Where does Katherine Niknia practice?

The practice location on file with NPPES is in Fairfax, VA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Minna Bacarra Nurse Practitioner · Fairfax, VA NPI 1255339370 Shawna Willey Surgical Oncology Physician · Fairfax, VA NPI 1619976792 Ashish Chawla Radiation Oncology Physician · Fairfax, VA NPI 1699777599 Simon Chung Urology Physician · Fairfax, VA NPI 1386636579 Kirsten Edmiston Surgery Physician · Fairfax, VA NPI 1386630507 Suraj Venna Dermatology Physician · Fairfax, VA NPI 1366433302 Samir Kanani Radiation Oncology Physician · Fairfax, VA NPI 1558336719 Robert Cohen Surgery Physician · Fairfax, VA NPI 1285697193

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-05-06.