Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Mastery Behavior Solutions LLC

Q: What is the NPI number for Mastery Behavior Solutions LLC?

The NPI for Mastery Behavior Solutions LLC is 1336005156, a Type 2 (organization) record in the CMS NPPES registry.

Behavior Analyst in Winnetka, CA · enumerated 2025 · authorized official Areeb Siddiqui, Member.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1336005156

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Registry record

Entity type Organization (Type 2)

Legal business name Mastery Behavior Solutions LLC

Practice address 20200 Sherman Way Apt 228, Winnetka, CA, 91306

Phone (818) 614-7699

Enumeration date Dec 26, 2025

Last updated in NPPES Dec 26, 2025

Taxonomy & classification

103K00000X Behavior Analyst Behavioral Health & Social Service Providers Primary

Authorized official

Name Areeb Siddiqui

Title Member

Phone (818) 614-7699

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Mastery Behavior Solutions LLC?

The NPI for Mastery Behavior Solutions LLC is 1336005156, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Mastery Behavior Solutions LLC?

NPPES lists Areeb Siddiqui (Member) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-12-26.