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Nurse Practitioner

Ksenia Harris, NP

Works at hospitals in Fairfax, VA · Virginia

Summary

Ksenia Harris, NP is a nurse practitioner at 3600 Joseph Siewick Dr, Fairfax, VA 22033. Phone: (703) 391-3600. Accepts Medicare assignment. NPI 1942090626. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Nurse practitioner
  • Address: 3600 Joseph Siewick Dr, Fairfax, VA 22033 · Directions (1 more location)
  • Phone: (703) 391‑3600
  • Medicare: Accepts Medicare assignment
  • Hospital: Inova Fair Oaks Hospital
  • Group practice: Inova Health Care Services
  • School: graduated 2023
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Ksenia Harris, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Ksenia Harris accept Medicare assignment?
Yes. Medicare's clinician data says Ksenia Harris accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Ksenia Harris's NPI number?
1942090626. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ksenia Harris works

Medicare's Facility Affiliation Data lists Ksenia Harris at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Inova Fair Oaks HospitalFairfax, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 490101

Practice locations

Addresses where Ksenia Harris is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ksenia Harris as a member of this group (CMS data updated October 2, 2026).

  • Inova Health Care Services1,817 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Virginia →

Other nurse practitioners in Fairfax

Clinicians with the same Medicare primary specialty in Fairfax, VA — not a recommendation.

All nurse practitioners in Fairfax →

Other clinicians in Inova Health Care Services

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year2023
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1942090626
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians