Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Haley Hawken Derks

Speech-Language Pathologist in Ashland, MO · enumerated 2017.

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

National Provider Identifier

1851818223

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Registry record

Entity type Individual (Type 1)

Name Mrs. Haley Hawken Derks

Sex Female

Practice address 809 S Henry Clay Blvd, Ashland, MO, 65010

Phone (573) 657-2145

Enumeration date Aug 27, 2017

Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 2017028349 (MO) 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.

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Frequently asked questions

Is NPI 1851818223 active?

Yes, as of the latest NPPES snapshot, NPI 1851818223 is active (record last updated 2022-07-21).

How do I verify Haley Derks's NPI record?

Cross-check NPI 1851818223 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

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Melissa Zars Speech-Language Pathologist · Ashland, MO NPI 1780906529

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.