Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Aaron Montejano

Behavior Analyst in Madera, CA · enumerated 2018.

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

National Provider Identifier

1528542859

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Registry record

Entity type Individual (Type 1)

Name Aaron Montejano

Sex Male

Practice address 205 E Dunham St, Madera, CA, 93637

Phone (559) 536-5528

Enumeration date Sep 21, 2018

Last updated in NPPES Sep 21, 2018

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers Primary

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

Is NPI 1528542859 active?

Yes, as of the latest NPPES snapshot, NPI 1528542859 is active (record last updated 2018-09-21).

How do I verify Aaron Montejano's NPI record?

Cross-check NPI 1528542859 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-09-21.