Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sierra Diane Gleason

Behavior Technician in Lapeer, MI · enumerated 2019.

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

National Provider Identifier

1962049908

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Registry record

Entity type Individual (Type 1)

Name Sierra Diane Gleason

Sex Female

Practice address 1100 W Newark Rd, Lapeer, MI, 48446

Phone (810) 358-1355

Enumeration date Dec 10, 2019

Last updated in NPPES Aug 3, 2023

Taxonomy & licenses

156F00000X Technician/Technologist Eye and Vision Services Providers Secondary

106S00000X Behavior Technician 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

What specialty is Sierra Gleason?

Sierra Gleason is registered in NPPES with the primary taxonomy of Behavior Technician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-03.