Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Amy Linnea Timmerman, M.A., CCC-A

Audiologist in Des Moines, IA · enumerated 2009.

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

National Provider Identifier

1629307012

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Registry record

Entity type Individual (Type 1)

Name Mrs. Amy Linnea Timmerman

Credential M.A., CCC-A

Sex Female

Practice address 1200 Pleasant St, Des Moines, IA, 50309

Phone (515) 241-8265

Fax (515) 241-3282

Enumeration date Dec 14, 2009

Last updated in NPPES Mar 7, 2012

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 448 (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 Amy Timmerman?

The National Provider Identifier (NPI) for Amy Timmerman is 1629307012, a Type 1 (individual) record in the CMS NPPES registry.

Where does Amy Timmerman 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 2012-03-07.