Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Terry Martin, M.S., CCC-A

Audiologist-Hearing Aid Fitter in Evansville, IN · enumerated 2005.

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

National Provider Identifier

1689666208

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Registry record

Entity type Individual (Type 1)

Name Mr. Terry Martin

Credential M.S., CCC-A

Sex Male

Practice address 350 W Columbia St, Suite #300, Evansville, IN, 47710

Phone (812) 425-1500

Fax (812) 425-0587

Enumeration date Aug 19, 2005

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 23000631A (IN) Secondary

231HA2500X Assistive Technology Supplier Audiologist Speech, Language and Hearing Service Providers · License 23000631A (IN) Secondary

237600000X Audiologist-Hearing Aid Fitter Speech, Language and Hearing Service Providers · License 23000631A (IN) Primary

Other identifiers

Identifier	Type	State	Issuer
000000084021	Other	IN	ANTHEM BLUECROSS BLUESHIE

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

How do I verify Terry Martin's NPI record?

Cross-check NPI 1689666208 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1689666208 active?

Yes, as of the latest NPPES snapshot, NPI 1689666208 is active (record last updated 2025-09-11).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.