Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Antoinette Leigh Olson, LMSW

Social Worker in Des Moines, IA · enumerated 2013.

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

National Provider Identifier

1467892786

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Registry record

Entity type Individual (Type 1)

Name Antoinette Leigh Olson

Credential LMSW

Sex Female

Practice address 1200 University Ave, 120, Des Moines, IA, 50314

Phone (515) 248-1500

Fax (515) 248-1510

Enumeration date Jul 1, 2013

Last updated in NPPES Jul 1, 2013

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 008209 (IA) 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 Antoinette Olson?

The National Provider Identifier (NPI) for Antoinette Olson is 1467892786, a Type 1 (individual) record in the CMS NPPES registry.

Where does Antoinette Olson practice?

The practice location on file with NPPES is in Des Moines, IA. 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 2013-07-01.