CHARLEEN K NOSAR A.N.P.
NPI 1376791483
Nurse Practitioner in Manassas, VA
About Charleen K Nosar A.n.p. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLEEN K NOSAR A.N.P. (NPI 1376791483) is an individual nurse practitioner in Manassas, Virginia, licensed in Virginia (0024167951) and active in the NPI registry since September 2008. She is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and maintains a secondary practice location in Vienna.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted 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
Charleen K Nosar A.n.p. 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.
Medicare Billing Reassignments
5Medicare enrollment records show Charleen Nosar reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chantilly, VA 20151
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 379 clinicians in this Medicare group
Springfield, VA 22152
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- Also billed through NPI 1275886418 (Virginia)
- 160 clinicians in this Medicare group
Vienna, VA 22180
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 146 clinicians in this Medicare group
Glen Allen, VA 23060
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 58 clinicians in this Medicare group
Glen Allen, VA 23060
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 61 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MANASSAS, VA 20109
MANASSAS, VA 20109
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 Charleen Nosar's NPI number?
The NPI number for Charleen Nosar is 1376791483. It was assigned to this individual provider in the NPPES registry on September 3, 2008.
Where is Charleen Nosar located?
Charleen Nosar practices at 8100 Ashton Ave Ste 101, Manassas, VA 20109. The listed phone number is (703) 257-8090.
What is Charleen Nosar's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Charleen Nosar enrolled in Medicare?
Yes. Charleen Nosar 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 organizations bill Medicare for Charleen Nosar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charleen Nosar reassigns Medicare benefits to 5 organizations: Inova Physician Partners, LLC (Chantilly, VA), Inova Health Care Services (Springfield, VA), Inova Ucc LLC (Vienna, VA), Ch Specialty Services VA LLC (Glen Allen, VA) and Curana Health Of Virginia LLC (Glen Allen, VA). Each 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 Charleen Nosar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Charleen Nosar accept?
Health plans from Oscar Health list Charleen Nosar 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 Charleen Nosar affiliated with any hospitals?
According to CMS data, Charleen Nosar is affiliated with Inova Fairfax Hospital.
When was this NPI record last updated?
The NPPES record for Charleen Nosar was last updated on November 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.