CHISOVEREIGN PLLC
NPI 1225454291
Clinic/Center - Medical Specialty in Fairfax, VA

Active since March 13, 2014
3975 FAIR RIDGE DR, SUITE 150N, FAIRFAX, VA 22033(703) 246-0011(703) 246-0012 Get Directions Write a Review

NPPES record last updated: March 13, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Chisovereign Pllc NPPES

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

CHISOVEREIGN PLLC (NPI 1225454291) is a healthcare organization registered as a medical specialty in Fairfax, Virginia and active in the NPI registry since March 2014. The organization lists Ijeoma N Nnamani, Director, as its authorized official.

NPPES Registry Identity

NPI1225454291
Entity TypeOrganization
Primary Taxonomy261QM2500X
Legal Business NameCHISOVEREIGN PLLC
Location Address3975 FAIR RIDGE DR, SUITE 150NFairfax, VA 22033-2911
Mailing Address3975 Fair Ridge Dr, Suite 150nFairfax, VA 22033-2911 · (703) 246-0011 · Fax (703) 246-0012
Fax(703) 246-0012
Organization SubpartNo
Authorized OfficialIjeoma N NnamaniDirector · (703) 505-2476
Enumeration DateMarch 13, 2014
✔ NPI 1225454291 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Medical SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM2500X
License✔ Licensed in VA · 0101246435
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).
3975 FAIR RIDGE DR, Fairfax, VA 22033

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chisovereign Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Chisovereign PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Psychiatry
NPI 1821265570
3975 FAIR RIDGE DR SUITE 150N
Fairfax, VA 22033
(703) 246-0011
✔ PECOS✔ Accepts MedicareSame address

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

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 Chisovereign PLLC's NPI number?

The NPI number for Chisovereign PLLC is 1225454291. It was assigned to this organization in the NPPES registry on March 13, 2014.

Where is Chisovereign PLLC located?

Chisovereign PLLC is located at 3975 Fair Ridge Dr Suite 150N, Fairfax, VA 22033. The listed phone number is (703) 246-0011.

What is Chisovereign PLLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Medical Specialty, with taxonomy code 261QM2500X.

Is Chisovereign PLLC enrolled in Medicare?

Yes. Chisovereign PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Chisovereign PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to Chisovereign PLLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Chisovereign PLLC was last updated on March 13, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.