Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Shannon Castillo

Behavior Analyst in Livonia, MI · enumerated 2018.

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

National Provider Identifier

1568952620

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Registry record

Entity type Individual (Type 1)

Name Shannon Castillo

Sex Female

Practice address 38935 Ann Arbor Rd, Livonia, MI, 48150

Phone (248) 886-9540

Enumeration date May 15, 2018

Last updated in NPPES Jan 27, 2024

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

What specialty is Shannon Castillo?

Shannon Castillo is registered in NPPES with the primary taxonomy of Behavior Analyst. 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 2024-01-27.