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

Active since August 31, 2022PECOS Enrolled
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: July 19, 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. He is enrolled in Medicare PECOS.

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
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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Brian Hasser Lcsw 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.

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 (Professional)
3911 BLENHEIM BLVD STE 43B
FAIRFAX, VA 22030
Social Worker (Clinical)
3911 BLENHEIM BLVD STE 43B
FAIRFAX, VA 22030
Counselor (Mental Health)
3911 BLENHEIM BLVD STE 43B
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 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.

Is Brian Hasser enrolled in Medicare?

Yes. Brian Hasser is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

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