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MS. KATHERINE GRACE BRIGGS LPC
NPI 1639263817
Counselor - Mental Health in Manassas, VA

Active since October 03, 2006PECOS Enrolled
7969 ASHTON AVE, MANASSAS, VA 20109(703) 792-7800(703) 792-5699 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Ms. Katherine Grace Briggs Lpc NPPES

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

MS. KATHERINE GRACE BRIGGS LPC (NPI 1639263817) is an individual mental health provider in Manassas, Virginia, licensed in Virginia (0701003205) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639263817
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMS. KATHERINE GRACE BRIGGSCredential: LPC
Location Address7969 ASHTON AVEManassas, VA 20109-2885
Mailing Address7969 Ashton AveManassas, VA 20109-2885 · (703) 792-7800 · Fax (703) 792-5699
Phone(703) 792-7800
Fax(703) 792-5699
Sole ProprietorYes
Enumeration DateOctober 3, 2006
Last NPPES UpdateJuly 9, 2007
✔ NPI 1639263817 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in VA · 0701003205
7969 ASHTON AVE, Manassas, VA 20109
Open in Google Maps ↗

Other Identifiers 1

Other210245VA · Blue Cross Blue Shield

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 (PECOS)

Ms. Katherine Grace Briggs Lpc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Katherine Briggs reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Prince William County Community Services Board
Same address
Mental Health (Including Community Mental Health Center)
7969 ASHTON AVE
Manassas, VA 20109
  • Reassigned Medicare billing, Virginia enrollment
  • 141 clinicians in this Medicare group
NPI 1053402800 (703) 792-7800

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

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.

AMY MARIA NOJAIM MA,CCC,SLP
Speech-Language Pathologist
7969 ASHTON AVE
MANASSAS, VA 20109
Prince William County (703) 792-7800
MS. ELIZABETH TRUMBLE STRAWDERMAN LPC, LMFT
Marriage & Family Therapist
7969 ASHTON AVE
MANASSAS, VA 20109
Prince William County (703) 792-7800
MRS. CYNTHIA REBECCA LANE-HAND LICSW
Social Worker (Clinical)
7969 ASHTON AVE
MANASSAS, VA 20109
Prince William County (703) 792-7800
JOHN LEE BARNES II
Counselor (Professional)
7969 ASHTON AVE
MANASSAS, VA 20109
Prince William County (703) 792-7800
KRISTEN MICHELLE DURBIN LCSW
Social Worker (Clinical)
7969 ASHTON AVE
MANASSAS, VA 20109
Prince William County (703) 792-7800
PRINCE WILLIAM COUNTY COMMUNITY SERVICES BOARD
Clinic/Center (Mental Health (Including Community Mental Health Center))
7969 ASHTON AVE
MANASSAS, VA 20109
Prince William County (703) 792-7800
DAMARIS DIANA GUTIERREZ
Social Worker (Clinical)
7969 ASHTON AVE
MANASSAS, VA 20109
Prince William County (571) 733-0290
DR. MICHAEL L DOUGAN MD
General Practice
7969 ASHTON AVE
MANASSAS, VA 20109
Prince William County (703) 792-7862

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 Katherine Briggs's NPI number?

The NPI number for Katherine Briggs is 1639263817. It was assigned to this individual provider in the NPPES registry on October 3, 2006.

Where is Katherine Briggs located?

Katherine Briggs practices at 7969 Ashton Ave, Manassas, VA 20109. The listed phone number is (703) 792-7800.

What is Katherine Briggs's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Katherine Briggs enrolled in Medicare?

Yes. Katherine Briggs is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katherine Briggs's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Briggs reassigns Medicare benefits to Prince William County Community Services Board (Manassas, 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 Katherine Briggs's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Briggs accept?

Health plans from Oscar Health list Katherine Briggs 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.

When was this NPI record last updated?

The NPPES record for Katherine Briggs was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.