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BRIAN HASSER LCSW
NPI 1477273258
Social Worker - School in Fairfax, VA

Active since August 31, 2022
3911 BLENHEIM BLVD STE 43B, FAIRFAX, VA 22030(703) 691-0036 Get Directions Write a Review

NPPES record last updated: October 15, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Brian Hasser Lcsw NPPES

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

BRIAN HASSER LCSW (NPI 1477273258) is an individual school provider in Fairfax, Virginia, licensed in Virginia (PPS-0607536) and active in the NPI registry since August 2022.

NPPES Registry Identity

NPI1477273258
Entity TypeIndividualMale
Primary Taxonomy1041S0200X
Provider Legal NameBRIAN HASSERCredential: LCSW
Location Address3911 BLENHEIM BLVD STE 43BFairfax, VA 22030-2434
Mailing Address8270 Willow Oaks Corporate DrFairfax, VA 22031-4530
Phone(703) 691-0036
Sole ProprietorNo
Enumeration DateAugust 31, 2022
Last NPPES UpdateOctober 15, 2025
NPPES CertifiedOctober 15, 2025
✔ NPI 1477273258 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · SchoolBehavioral Health & Social Service Providers
Taxonomy Code1041S0200X
License✔ Licensed in VA · PPS-0607536
3911 BLENHEIM BLVD STE 43B, Fairfax, VA 22030
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Other Providers at the Same Location NPPES 4

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

JAY IVAN SOTO
Counselor (Mental Health)
3911 BLENHEIM BLVD STE 43B
FAIRFAX, VA 22030
Fairfax City (813) 447-3632
SEAN EARL HILGER
Social Worker
3911 BLENHEIM BLVD STE 43B
FAIRFAX, VA 22030
Fairfax City (703) 789-2218
JOSEPH D CABUSH LCSW
Social Worker (Clinical)
3911 BLENHEIM BLVD STE 43B
FAIRFAX, VA 22030
Fairfax City (703) 691-0036
MINDY VAN WART
Counselor (Professional)
3911 BLENHEIM BLVD STE 43B
FAIRFAX, VA 22030
Fairfax City (703) 691-0036

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 Brian Hasser's NPI number?

The NPI number for Brian Hasser is 1477273258. It was assigned to this individual provider in the NPPES registry on August 31, 2022.

Where is Brian Hasser located?

Brian Hasser practices at 3911 Blenheim Blvd Ste 43B, Fairfax, VA 22030. The listed phone number is (703) 691-0036.

What is Brian Hasser's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in School, with taxonomy code 1041S0200X.

When was this NPI record last updated?

The NPPES record for Brian Hasser was last updated on October 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.