Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Marilyn Haerr, COTA/L

Specialist in Washington, IL · enumerated 2008.

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

National Provider Identifier

1417110644

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Registry record

Entity type Individual (Type 1)

Name Ms. Marilyn Haerr

Credential COTA/L

Sex Female

Practice address 1201 Newcastle Rd, Washington, IL, 61571

Phone (309) 444-1065

Fax (309) 444-1095

Enumeration date Jul 8, 2008

Last updated in NPPES Jul 8, 2008

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 057001171 (IL) 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 Marilyn Haerr?

Marilyn Haerr is registered in NPPES with the primary taxonomy of Specialist. 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 2008-07-08.