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KSENIA HARRIS NP
NPI 1942090626
Nurse Practitioner - Acute Care in Fairfax, VA

Active since May 07, 2025PECOS EnrolledAccepts Medicare Assignment
3600 JOSEPH SIEWICK DR, FAIRFAX, VA 22033(202) 651-1703 Get Directions Write a Review

NPPES record last updated: May 7, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ksenia Harris Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KSENIA HARRIS NP (NPI 1942090626) is an individual acute care provider in Fairfax, Virginia, licensed in Virginia (0024189220) and active in the NPI registry since May 2025. She is enrolled in Medicare PECOS, is affiliated with Inova Fair Oaks Hospital, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1942090626
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameKSENIA HARRISCredential: NP
Location Address3600 JOSEPH SIEWICK DRFairfax, VA 22033-1709
Mailing Address6301 Edsall Rd Unit 405Alexandria, VA 22312-2684
Phone(202) 651-1703
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMay 7, 2025
NPPES CertifiedMay 7, 2025
✔ NPI 1942090626 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in VA · 0024189220
3600 JOSEPH SIEWICK DR, Fairfax, VA 22033
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ksenia Harris Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8426551656
PECOS Enrollment IDI20250912000969, I20251002000922
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Ksenia Harris reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Inova Health Care Services
6.3 mi
Urgent Care
100 MAPLE AVE E
Vienna, VA 22180
  • Reassigned Medicare billing, Virginia and District of Columbia enrollments
  • Also billed through NPI 1669511051 (District of Columbia)
  • 2,379 clinicians in this Medicare group
NPI 1275886418 (703) 938-5300

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Inova Fair Oaks Hospital

Acute Care Hospitals · Fairfax, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490101
Location3600 Joseph Siewick DriveFairfax, VA 22033 · Fairfax County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MELISSA K HERSCH CRNA
Nurse Anesthetist, Certified Registered
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Fairfax County (703) 391-3129
NICOLE NGUYEN
Registered Nurse
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Fairfax County (703) 391-3600
MRS. GLORIA GILBERT BLACK CRNA
Nurse Anesthetist, Certified Registered
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Fairfax County (703) 295-9360
LAURA R REJENT PA-C
Physician Assistant
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Fairfax County (703) 391-3600
KATHLEEN BEIGHT PT
Physical Therapist
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Fairfax County (703) 391-3642
ASWANI KUMAR SUTHRAVE M.D.
Hospitalist
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Fairfax County (703) 391-3600
NORTHERN VIRGINIA PATHOLOGY PC
Pathology (Anatomic Pathology & Clinical Pathology)
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Fairfax County (703) 391-3654
HEATHER A COLLINS RNFA
Registered Nurse (Registered Nurse First Assistant)
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Fairfax County (703) 391-4669

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ksenia Harris's NPI number?

The NPI number for Ksenia Harris is 1942090626. It was assigned to this individual provider in the NPPES registry on May 7, 2025.

Where is Ksenia Harris located?

Ksenia Harris practices at 3600 Joseph Siewick Dr, Fairfax, VA 22033. The listed phone number is (202) 651-1703.

What is Ksenia Harris's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Ksenia Harris enrolled in Medicare?

Yes. Ksenia Harris is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Ksenia Harris's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ksenia Harris reassigns Medicare benefits to Inova Health Care Services (Vienna, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ksenia Harris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ksenia Harris accept?

Health plans from Oscar Health list Ksenia Harris as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ksenia Harris affiliated with any hospitals?

According to CMS data, Ksenia Harris is affiliated with Inova Fair Oaks Hospital.

When was this NPI record last updated?

The NPPES record for Ksenia Harris was last updated on May 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.