Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Leann Simpson, B.A.

Peer Specialist in Huntington Park, CA · enumerated 2015.

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

National Provider Identifier

1174913750

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Registry record

Entity type Individual (Type 1)

Name Leann Simpson

Credential B.A.

Sex Female

Practice address 2677 Zoe Ave Ste 304, Huntington Park, CA, 90255

Phone (323) 346-0960

Enumeration date Feb 3, 2015

Last updated in NPPES Sep 19, 2023

Taxonomy & licenses

175T00000X Peer Specialist Other Service Providers · License NON-CERTIFIED 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 Leann Simpson?

The National Provider Identifier (NPI) for Leann Simpson is 1174913750, a Type 1 (individual) record in the CMS NPPES registry.

Where does Leann Simpson practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-09-19.