Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Isabel Crespo

Behavior Analyst in Wauwatosa, WI · enumerated 2023.

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

National Provider Identifier

1124709894

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Registry record

Entity type Individual (Type 1)

Name Isabel Crespo

Sex Female

Practice address 2645 N Mayfair Rd Ste 130, Wauwatosa, WI, 53226

Phone (414) 256-0077

Fax (414) 256-0090

Enumeration date Jul 26, 2023

Last updated in NPPES Jul 26, 2023

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1126-140 (WI) 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 is the NPI number for Isabel Crespo?

The National Provider Identifier (NPI) for Isabel Crespo is 1124709894, a Type 1 (individual) record in the CMS NPPES registry.

Where does Isabel Crespo practice?

The practice location on file with NPPES is in Wauwatosa, WI. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-26.