Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HEARING SPECIALIST PC
NPI 1033390992
Audiologist in Sioux City, IA

Q: What is Hearing Specialist PC's NPI number?

The NPI number for Hearing Specialist PC is 1033390992. It was assigned to this organization in the NPPES registry on November 20, 2007.

Q: What is Hearing Specialist PC's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

Active since November 20, 2007

3535 SOUTHERN HILLS DRIVE SUITE D, SIOUX CITY, IA 51106(712) 276-0050(712) 274-4393 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 29, 2026, Feb 4, 2022, Oct 22, 2021 (3 updates tracked since 2021).

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About Hearing Specialist Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HEARING SPECIALIST PC (NPI 1033390992) is a healthcare organization registered as an audiologist in Sioux City, Iowa and active in the NPI registry since November 2007. The organization lists Colette Hadden, Audiologist, as its authorized official.

NPPES Registry Identity

NPI1033390992

Entity TypeOrganization

Primary Taxonomy231H00000X

Legal Business NameHEARING SPECIALIST PC

Location Address3535 SOUTHERN HILLS DRIVE SUITE DSioux City, IA 51106-4738

Mailing Address3535 Southern Hills Drive Suite DSioux City, IA 51106-4738 · (712) 276-0050 · Fax (712) 274-4393

Phone(712) 276-0050

Fax(712) 274-4393

Organization SubpartNo

Authorized OfficialColette HaddenAudiologist · (712) 276-0050

Enumeration DateNovember 20, 2007

Last NPPES UpdateJuly 29, 20263 updates tracked since enumeration

NPPES CertifiedJuly 29, 2026

✔ NPI 1033390992 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers

Taxonomy Code231H00000X

Definition

(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.

Also ListedAudiologist-Hearing Aid FitterTaxonomy 237600000X

3535 SOUTHERN HILLS DRIVE SUITE D, Sioux City, IA 51106

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Group Practice 2

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Hearing Specialist PC's NPI number?

The NPI number for Hearing Specialist PC is 1033390992. It was assigned to this organization in the NPPES registry on November 20, 2007.

Where is Hearing Specialist PC located?

Hearing Specialist PC is located at 3535 Southern Hills Drive Suite D, Sioux City, IA 51106. The listed phone number is (712) 276-0050.

What is Hearing Specialist PC's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

When was this NPI record last updated?

The NPPES record for Hearing Specialist PC was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.