Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Andrea Koester, MSOT

Occupational Therapist in Carterville, IL · enumerated 2021.

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

National Provider Identifier

1265014237

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Registry record

Entity type Individual (Type 1)

Name Andrea Koester

Credential MSOT

Sex Female

Practice address 507 Dogwood Ln, Carterville, IL, 62918

Phone (314) 598-7591

Enumeration date Apr 28, 2021

Last updated in NPPES Apr 28, 2021

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 056.009340 (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

Where does Andrea Koester practice?

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

What is the NPI number for Andrea Koester?

The National Provider Identifier (NPI) for Andrea Koester is 1265014237, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-04-28.