MARK WALKER
NPI 1649154584
Counselor - Mental Health in Fairfax, VA

Active since August 04, 2025
11166 FAIRFAX BLVD STE 201, FAIRFAX, VA 22030(703) 988-4236(703) 721-7598 Get Directions Write a Review

NPPES record last updated: August 4, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark Walker NPPES

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

MARK WALKER (NPI 1649154584) is an individual mental health provider in Fairfax, Virginia, licensed in Virginia (0704018280) and active in the NPI registry since August 2025.

NPPES Registry Identity

NPI1649154584
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMARK WALKER
Location Address11166 FAIRFAX BLVD STE 201Fairfax, VA 22030-5017
Mailing Address11166 Fairfax Blvd Ste 201Fairfax, VA 22030-5017 · (703) 988-4236 · Fax (703) 721-7598
Fax(703) 721-7598
Sole ProprietorNo
Enumeration DateAugust 4, 2025
NPPES CertifiedAugust 4, 2025
NPI 1649154584 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 · 0704018280
11166 FAIRFAX BLVD STE 201, Fairfax, VA 22030

Other Providers at the Same Location NPPES 3

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

Counselor (Mental Health)
11166 FAIRFAX BLVD STE 201
FAIRFAX, VA 22030
Counselor (Mental Health)
11166 FAIRFAX BLVD STE 201
FAIRFAX, VA 22030
Counselor
11166 FAIRFAX BLVD STE 201
FAIRFAX, VA 22030

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 Mark Walker's NPI number?

The NPI number for Mark Walker is 1649154584. It was assigned to this individual provider in the NPPES registry on August 4, 2025.

Where is Mark Walker located?

Mark Walker practices at 11166 Fairfax Blvd Ste 201, Fairfax, VA 22030. The listed phone number is (703) 988-4236.

What is Mark Walker's specialty?

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

When was this NPI record last updated?

The NPPES record for Mark Walker was last updated on August 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.