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CECILIA M SEWELL
NPI 1750046538
Behavior Analyst in Vienna, VA

Active since November 05, 2021
8391 OLD COURTHOUSE RD STE 120, VIENNA, VA 22182(703) 429-1853(301) 718-1766 Get Directions Write a Review

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

Record update history: Aug 13, 2024, Nov 5, 2021 (2 updates tracked since 2021).

About Cecilia M Sewell NPPES

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

CECILIA M SEWELL (NPI 1750046538) is an individual behavior analyst provider in Vienna, Virginia, licensed in Virginia (0133003808) and active in the NPI registry since November 2021.

NPPES Registry Identity

NPI1750046538
Entity TypeIndividualFemale
Primary Taxonomy103K00000X
Provider Legal NameCECILIA M SEWELL
Location Address8391 OLD COURTHOUSE RD STE 120Vienna, VA 22182-3819
Mailing Address8391 Old Courthouse Rd Ste 120Vienna, VA 22182-3819 · (703) 429-1853 · Fax (301) 718-1766
Phone(703) 429-1853
Fax(301) 718-1766
Sole ProprietorNo
Enumeration DateNovember 5, 2021
Last NPPES UpdateJune 16, 20262 updates tracked since enumeration
NPPES CertifiedJune 16, 2026
✔ NPI 1750046538 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 · 0133003808
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.
8391 OLD COURTHOUSE RD STE 120, Vienna, VA 22182
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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.

MRS. LAUREN ANNE HORBAL BCBA, LBA
Behavior Analyst
8391 OLD COURTHOUSE RD STE 120
VIENNA, VA 22182
Fairfax County (703) 429-1853
JENNA WHEARTY
Behavior Analyst
8391 OLD COURTHOUSE RD STE 120
VIENNA, VA 22182
Fairfax County (856) 230-8957
JUSTINE ELAINE BALLOU MS, CF-SLP
Speech-Language Pathologist
8391 OLD COURTHOUSE RD STE 120
VIENNA, VA 22182
Fairfax County (703) 429-1853

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 Cecilia Sewell's NPI number?

The NPI number for Cecilia Sewell is 1750046538. It was assigned to this individual provider in the NPPES registry on November 5, 2021.

Where is Cecilia Sewell located?

Cecilia Sewell practices at 8391 Old Courthouse Rd Ste 120, Vienna, VA 22182. The listed phone number is (703) 429-1853.

What is Cecilia Sewell'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 Cecilia Sewell was last updated on June 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.