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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.

ALLANNAH DEAHL
NPI 1629599154
Behavior Analyst in Manassas, VA

Active since July 06, 2017
9994 SOWDER VILLAGE SQUARE, #102, MANASSAS, VA 20109(855) 832-6727 Get Directions Write a Review

NPPES record last updated: August 20, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 20, 2026, Aug 14, 2026, Oct 23, 2023 and 1 more (4 updates tracked since 2017).

About Allannah Deahl NPPES

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

ALLANNAH DEAHL (NPI 1629599154) is an individual behavior analyst provider in Manassas, Virginia, licensed in Virginia (0133004660) and active in the NPI registry since July 2017.

NPPES Registry Identity

NPI1629599154
Entity TypeIndividualFemale
Primary Taxonomy103K00000X
Provider Legal NameALLANNAH DEAHL
Location Address9994 SOWDER VILLAGE SQUARE, #102Manassas, VA 20109-5464
Mailing Address7108 S Kanner HwyStuart, FL 34997-7462 · (855) 832-6727
Phone(855) 832-6727
Sole ProprietorNo
Enumeration DateJuly 6, 2017
Last NPPES UpdateAugust 20, 20264 updates tracked since enumeration
NPPES CertifiedAugust 20, 2026
✔ NPI 1629599154 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code103K00000X
License✔ Licensed in VA · 0133004660
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.
9994 SOWDER VILLAGE SQUARE, Manassas, VA 20109
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Other Providers at the Same Location NPPES

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

KASEY MORROW BCBA, LBA
Behavior Analyst
9994 SOWDER VILLAGE SQUARE, #102
MANASSAS, VA 20109
Prince William County (855) 832-6727

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 Allannah Deahl's NPI number?

The NPI number for Allannah Deahl is 1629599154. It was assigned to this individual provider in the NPPES registry on July 6, 2017.

Where is Allannah Deahl located?

Allannah Deahl practices at 9994 Sowder Village Square #102, Manassas, VA 20109. The listed phone number is (855) 832-6727.

What is Allannah Deahl'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 Allannah Deahl was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.