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Matthew Robert Walker

Addiction (Substance Use Disorder) Counselor in Clinton, IA · enumerated 2020.

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

National Provider Identifier

1720628498

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Registry record

Entity type Individual (Type 1)
Name Matthew Robert Walker
Sex Male
Practice address 250 20th Ave N Ste 250, Clinton, IA, 52732
Phone (563) 242-2124
Enumeration date Jan 10, 2020
Last updated in NPPES Mar 5, 2020

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers 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

What is the NPI number for Matthew Walker?
The National Provider Identifier (NPI) for Matthew Walker is 1720628498, a Type 1 (individual) record in the CMS NPPES registry.
Where does Matthew Walker practice?
The practice location on file with NPPES is in Clinton, 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 2020-03-05.