Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Katherine Niknia, MSN, NP

Individual provider Nurse Practitioner · NPI 1205842432

Katherine Niknia, MSN, NP is a Nurse Practitioner in Fairfax, Virginia. Qualified in 2005, 21 years ago. Practices with Inova Health Care Services, a 1,827-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in District of Columbia and Virginia.

Years since qualifying
21
Licensed in
DC, VA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

8081 Innovation Park Dr
Fairfax, VA 22031-4867
Phone: (571) 472-4724
Fax: (571) 472-0241
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3800 Reservoir Rd Nw, Washington, DC 20007-2113 — (202) 444-2198

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 0024178349 (VA)
Nurse Practitioner Taxonomy 363L00000X · Licence RN968239 (DC)

Record details

NPI number1205842432
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , NP
Sole proprietorNo
NPI enumeratedJuly 31, 2006
Last updated in NPPESMay 6, 2022
Certification dateMay 6, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Inova Health Care Services — 1827 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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