Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Phillip Lee Mattox

Hearing Instrument Specialist in Waterloo, IA · enumerated 2022 · practices at Potter'S Hearing Aid Service.

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

National Provider Identifier

1265185318

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Registry record

Entity type Individual (Type 1)

Name Phillip Lee Mattox

Sex Male

Practice address 1416 W 4th St, Waterloo, IA, 50702

Phone (319) 232-7113

Fax (319) 232-6843

Enumeration date Jan 29, 2022

Last updated in NPPES Jan 29, 2022

Taxonomy & licenses

237700000X Hearing Instrument Specialist Speech, Language and Hearing Service Providers · License 079082 (IA) Primary

Other identifiers

Identifier	Type	State	Issuer
1417145640	Medicaid	IA	-

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 Phillip Mattox?

The National Provider Identifier (NPI) for Phillip Mattox is 1265185318, a Type 1 (individual) record in the CMS NPPES registry.

Where does Phillip Mattox practice?

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

Other providers at this practice address

Browse all →

Ronald Potter Hearing Instrument Specialist · Waterloo, IA NPI 1306923131 Potter'S Hearing Aid Service Hearing Aid Equipment · Waterloo, IA NPI 1417145640

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-01-29.