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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

BELTWAY ABA
NPI 1285344101
Behavior Analyst in Fairfax, VA

Active since December 01, 2022
4000 LEGATO RD STE 1100, FAIRFAX, VA 22033(240) 923-4944 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 3, 2026, Jul 14, 2026, Jun 2, 2026 and 5 more (8 updates tracked since 2022).

About Beltway Aba NPPES

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

BELTWAY ABA (NPI 1285344101) is a healthcare organization registered as a behavior analyst in Fairfax, Virginia and active in the NPI registry since December 2022. The organization maintains 2 additional practice locations and lists Marisa N Gruber, Owner, as its authorized official.

NPPES Registry Identity

NPI1285344101
Entity TypeOrganization
Primary Taxonomy103K00000X
Legal Business NameBELTWAY ABA
Location Address4000 LEGATO RD STE 1100Fairfax, VA 22033-2893
Mailing Address4000 Legato Rd Ste 1100Fairfax, VA 22033-2893
Phone(240) 923-4944
Organization SubpartNo
Authorized OfficialMarisa N GruberOwner · (248) 990-4080
Enumeration DateDecember 1, 2022
Last NPPES UpdateAugust 3, 20268 updates tracked since enumeration
NPPES CertifiedAugust 3, 2026
✔ NPI 1285344101 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code103K00000X
Definition
A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.
4000 LEGATO RD STE 1100, Fairfax, VA 22033
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Secondary Practice Locations 2

Location 12 Wisconsin Cir Ste 700Chevy Chase, MD 20815-7007 · Phone (240) 242-9349
Location 25825 University Research CtRiverdale, MD 20737-0019 · Phone (240) 923-4944

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 17

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

OPDYNASTY LLC
Home Health
4000 LEGATO RD STE 1100
FAIRFAX, VA 22033
Fairfax County (703) 300-2442
CHELSEA ABREU LPC-R
Counselor (Mental Health)
4000 LEGATO RD STE 1100
FAIRFAX, VA 22033
Fairfax County (412) 508-9365
BLUE STAR MEDICAL TRANSPORTATION INC.
Non-emergency Medical Transport (VAN)
4000 LEGATO RD STE 1100
FAIRFAX, VA 22033
Fairfax County (570) 249-2693
CONVERGENCE MENTAL PERFORMANCE AND PREPARATION LAB
Social Worker (Clinical)
4000 LEGATO RD STE 1100
FAIRFAX, VA 22033
Fairfax County (571) 336-2272
RACHEL OAKES PHD
Psychologist (Clinical)
4000 LEGATO RD STE 1100
FAIRFAX, VA 22033
Fairfax County (571) 497-5531
DR. MEGAN BARONE PSYD
Psychologist
4000 LEGATO RD STE 1100
FAIRFAX, VA 22033
Fairfax County (571) 520-5454
BRIANNA DIANE BYRD
Behavior Technician
4000 LEGATO RD STE 1100
FAIRFAX, VA 22033
Fairfax County (240) 923-2944
WINSLOW PRIMARY CARE ALLIANCE, LLC
Family Medicine
4000 LEGATO RD STE 1100
FAIRFAX, VA 22033
Fairfax County (703) 896-7711

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 Beltway Aba's NPI number?

The NPI number for Beltway Aba is 1285344101. It was assigned to this organization in the NPPES registry on December 1, 2022.

Where is Beltway Aba located?

Beltway Aba is located at 4000 Legato Rd Ste 1100, Fairfax, VA 22033. The listed phone number is (240) 923-4944.

What is Beltway Aba's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

When was this NPI record last updated?

The NPPES record for Beltway Aba was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.