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

HEARING ASSOCIATES INC
NPI 1285779132
Audiologist-Hearing Aid Fitter in Mason City, IA

Active since February 20, 2007
250 S CRESCENT DR STE 100, MASON CITY, IA 50401(641) 494-5180(641) 494-5185 Get Directions Write a Review

NPPES record last updated: October 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 12, 2026, Jun 4, 2021, Feb 3, 2021 and 1 more (4 updates tracked since 2020).

About Hearing Associates Inc NPPES

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

HEARING ASSOCIATES INC (NPI 1285779132) is a healthcare organization registered as an audiologist-hearing aid fitter in Mason City, Iowa and active in the NPI registry since February 2007. The organization lists Alex Crippin, Owner, as its authorized official.

NPPES Registry Identity

NPI1285779132
Entity TypeOrganization
Primary Taxonomy237600000X
Legal Business NameHEARING ASSOCIATES INC
Location Address250 S CRESCENT DR STE 100Mason City, IA 50401-2910
Mailing Address250 S Crescent DrMason City, IA 50401-2926 · (641) 494-5180 · Fax (641) 494-5185
Phone(641) 494-5180
Fax(641) 494-5185
Organization SubpartNo
Authorized OfficialAlex CrippinOwner · (641) 494-5180
Enumeration DateFebruary 20, 2007
Last NPPES UpdateOctober 12, 20264 updates tracked since enumeration
NPPES CertifiedOctober 12, 2026
✔ NPI 1285779132 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologist-Hearing Aid FitterSpeech, Language and Hearing Service Providers
Taxonomy Code237600000X
Definition
An audiologist/hearing aid fitter is the professional who specializes in evaluating and treating people with hearing loss, conducts a wide variety of tests to determine the exact nature of an individual's hearing problem, presents a variety of treatment options to patients, dispenses and fits hearing aids, administers tests of balance to evaluate dizziness and provides hearing rehabilitation training. This classification should be used where individuals are licensed as audiologist-hearing aid fitters as opposed to states that license individuals as audiologists.
250 S CRESCENT DR STE 100, Mason City, IA 50401
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Other Identifiers 1

Medicaid0423855IA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hearing Associates Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to Hearing Associates Inc, which bills Medicare for the services they deliver. Of these, 7 practice at this address. They are listed nearest first.

Clinicians, nearest first (7)

Caroline Cross, AU.D.
Qualified Audiologist
NPI 1285364869
250 S CRESCENT DR STE 100
Mason City, IA 50401
(641) 494-5180
✔ Accepts MedicareSame address
Rachael Dolezal, M.A.
Qualified Audiologist
NPI 1982782728
250 S CRESCENT DR STE 100
Mason City, IA 50401
(641) 494-5180
✔ Accepts MedicareSame address
Tanya Harper Rowe, MA
Qualified Audiologist
NPI 1992889463
250 S CRESCENT DR
Mason City, IA 50401
(641) 422-6424
✔ Accepts MedicareSame address
Christine Heintskill, AU.D.
Qualified Audiologist
NPI 1578949277
250 S CRESCENT DR STE 100
Mason City, IA 50401
(641) 494-5180
✔ Accepts MedicareSame address
Bryce Phillips, AUD
Qualified Audiologist
NPI 1689297228
250 S CRESCENT DR STE 100
Mason City, IA 50401
(641) 494-5180
✔ Accepts MedicareSame address
Stuart Trembath, MA
Qualified Audiologist
NPI 1083798508
250 S CRESCENT DR
Mason City, IA 50401
(641) 422-6424
Same address
Sunny Burdick, AU.D
Qualified Audiologist
NPI 1457961260
250 S CRESCENT DR STE 100
Mason City, IA 50401
(641) 494-5180
✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Associates Inc's NPI number?

The NPI number for Hearing Associates Inc is 1285779132. It was assigned to this organization in the NPPES registry on February 20, 2007.

Where is Hearing Associates Inc located?

Hearing Associates Inc is located at 250 S Crescent Dr Ste 100, Mason City, IA 50401. The listed phone number is (641) 494-5180.

What is Hearing Associates Inc's specialty?

The primary specialty registered for this NPI is Audiologist-Hearing Aid Fitter with taxonomy code 237600000X.

Is Hearing Associates Inc enrolled in Medicare?

Yes. Hearing Associates Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Hearing Associates Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians, all in Qualified Audiologist, reassign their Medicare billing to Hearing Associates Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 7 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Hearing Associates Inc accept?

Health plans from Oscar Insurance Company list Hearing Associates Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Hearing Associates Inc was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.