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

GUIDING LIGHT BEHAVIOR SERVICES LLC
NPI 1003729559
Behavior Analyst in Concord, CA

Q: What is Guiding Light Behavior Services LLC's NPI number?

The NPI number for Guiding Light Behavior Services LLC is 1003729559. It was assigned to this organization in the NPPES registry on September 25, 2026.

Q: What is Guiding Light Behavior Services LLC's specialty?

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

Active since September 25, 2026

1800 SUTTER ST STE 500, CONCORD, CA 94520(925) 319-8844 Get Directions Write a Review

NPPES record added: October 1, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 1, 2026, Sep 25, 2026 (2 updates tracked since 2026).

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About Guiding Light Behavior Services Llc NPPES

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

GUIDING LIGHT BEHAVIOR SERVICES LLC (NPI 1003729559) is a healthcare organization registered as a behavior analyst in Concord, California and active in the NPI registry since September 2026. The organization lists Khalida Kohestani Jalalzai, Owner, as its authorized official.

NPPES Registry Identity

NPI1003729559

Entity TypeOrganization

Primary Taxonomy103K00000X

Legal Business NameGUIDING LIGHT BEHAVIOR SERVICES LLC

Location Address1800 SUTTER ST STE 500Concord, CA 94520-2587

Mailing Address1800 Sutter St Ste 500Concord, CA 94520-2587 · (925) 319-8844

Phone(925) 319-8844

Organization SubpartNo

Authorized OfficialKhalida Kohestani JalalzaiOwner · (925) 595-1661

Enumeration DateSeptember 25, 2026

Last NPPES UpdateOctober 1, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 28, 2026

✔ NPI 1003729559 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.

1800 SUTTER ST STE 500, Concord, CA 94520

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Other Providers at the Same Location NPPES 15

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

GENERATIONS OF GRACE

Peer Specialist