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MS CENTER OF GREATER WASHINGTON PC
NPI 1245381789
Clinic/Center in Vienna, VA

Active since January 12, 2007
8320 OLD COURTHOUSE RD, SUITE 400, VIENNA, VA 22182(703) 226-4000(703) 226-4010 Get Directions Write a Review

NPPES record last updated: December 10, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ms Center Of Greater Washington Pc NPPES

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

MS CENTER OF GREATER WASHINGTON PC (NPI 1245381789) is a healthcare organization registered as a clinic/center in Vienna, Virginia and active in the NPI registry since January 2007. The organization lists Meghan M Frederick, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1245381789
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameMS CENTER OF GREATER WASHINGTON PC
Location Address8320 OLD COURTHOUSE RD, SUITE 400Vienna, VA 22182-3831
Mailing Address8320 Old Courthouse Rd, Suite 400Vienna, VA 22182-3831 · (703) 226-4000 · Fax (703) 226-4010
Phone(703) 226-4000
Fax(703) 226-4010
Organization SubpartNo
Authorized OfficialMeghan M FrederickOffice Manager · (703) 226-4000
Enumeration DateJanuary 12, 2007
Last NPPES UpdateDecember 10, 2007
✔ NPI 1245381789 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
License✔ Licensed in VA · 0101056335
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
8320 OLD COURTHOUSE RD, Vienna, VA 22182
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Other Identifiers 1

Medicare PING02530VA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms Center Of Greater Washington Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Ms Center Of Greater Washington PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Nancy Hu, M.D.
Neurology
NPI 1609212141
8320 OLD COURTHOUSE RD STE 400
Vienna, VA 22182
(703) 226-4000
✔ PECOS✔ Accepts MedicareSame address
Heidi Crayton, MD
Neurology
NPI 1669470720
8320 OLD COURTHOUSE RD SUITE 400
Vienna, VA 22182
(703) 226-4000
✔ PECOS✔ Accepts MedicareSame address
Zachariah Hasan, MD
Neurology
NPI 1700414307
722 GRANT ST STE F
Herndon, VA 20170
(703) 787-7638
✔ PECOS✔ Accepts Medicare8.7 mi

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 Ms Center Of Greater Washington PC's NPI number?

The NPI number for Ms Center Of Greater Washington PC is 1245381789. It was assigned to this organization in the NPPES registry on January 12, 2007.

Where is Ms Center Of Greater Washington PC located?

Ms Center Of Greater Washington PC is located at 8320 Old Courthouse Rd Suite 400, Vienna, VA 22182. The listed phone number is (703) 226-4000.

What is Ms Center Of Greater Washington PC's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Is Ms Center Of Greater Washington PC enrolled in Medicare?

Yes. Ms Center Of Greater Washington PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ms Center Of Greater Washington PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Neurology, reassign their Medicare billing to Ms Center Of Greater Washington PC. 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. Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Ms Center Of Greater Washington PC was last updated on December 10, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.