Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

ESTHER BRENNAN LBS
NPI 1811816317
Behavior Analyst in Williamsport, PA

Q: What is Esther Brennan's NPI number?

The NPI number for Esther Brennan is 1811816317. It was assigned to this individual provider in the NPPES registry on July 10, 2026.

Q: What is Esther Brennan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Esther Brennan was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 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.

Active since July 10, 2026

1620 BLOOMINGROVE RD, WILLIAMSPORT, PA 17701(570) 419-7097 Get Directions Write a Review

NPPES record added: July 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Esther Brennan Lbs NPPES

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

ESTHER BRENNAN LBS (NPI 1811816317) is an individual behavior analyst provider in Williamsport, Pennsylvania, licensed in Pennsylvania (BH008596) and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1811816317

Entity TypeIndividualFemale

Primary Taxonomy103K00000X

Provider Legal NameESTHER BRENNANCredential: LBS

Location Address1620 BLOOMINGROVE RDWilliamsport, PA 17701-9771

Mailing Address1620 Bloomingrove RdWilliamsport, PA 17701-9771 · (570) 419-7097

Phone(570) 419-7097

Sole ProprietorYes

Enumeration DateJuly 10, 2026

NPPES CertifiedJuly 10, 2026

✔ NPI 1811816317 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 PA · BH008596

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.

1620 BLOOMINGROVE RD, Williamsport, PA 17701

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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 Esther Brennan's NPI number?

The NPI number for Esther Brennan is 1811816317. It was assigned to this individual provider in the NPPES registry on July 10, 2026.

Where is Esther Brennan located?

Esther Brennan practices at 1620 Bloomingrove Rd, Williamsport, PA 17701. The listed phone number is (570) 419-7097.

What is Esther Brennan'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 Esther Brennan was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 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.