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GRETCHEN SWITZER AU.D.
NPI 1992960470
Audiologist-Hearing Aid Fitter in Chattanooga, TN

Active since July 23, 2008
2212 ENCOMPASS DR STE 148, CHATTANOOGA, TN 37421(423) 635-7733(713) 344-9420 Get Directions Write a Review

NPPES record last updated: August 22, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 22, 2022, Jul 15, 2021, Sep 25, 2019 and 1 more (4 updates tracked since 2016).

About Gretchen Switzer Au.d. NPPES

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

GRETCHEN SWITZER AU.D. (NPI 1992960470) is an individual audiologist-hearing aid fitter provider in Chattanooga, Tennessee, licensed in Texas (80924) and active in the NPI registry since July 2008.

NPPES Registry Identity

NPI1992960470
Entity TypeIndividualFemale
Primary Taxonomy237600000X
Provider Legal NameGRETCHEN SWITZERCredential: AU.D.
Location Address2212 ENCOMPASS DR STE 148Chattanooga, TN 37421-1577
Mailing Address2212 Encompass Dr Ste 148Chattanooga, TN 37421-1577 · (423) 635-7733 · Fax (713) 344-9420
Phone(423) 635-7733
Fax(713) 344-9420
Sole ProprietorNo
Enumeration DateJuly 23, 2008
Last NPPES UpdateAugust 22, 20224 updates tracked since enumeration
NPPES CertifiedAugust 22, 2022
✔ NPI 1992960470 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAudiologist-Hearing Aid FitterSpeech, Language and Hearing Service Providers
Taxonomy Code237600000X
License✔ Licensed in TX · 80924
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.
Also ListedAudiologistTaxonomy 231H00000X · License 2125 (TN), AUD4036 (ID)
2212 ENCOMPASS DR STE 148, Chattanooga, TN 37421
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gretchen Switzer Au.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

3

Medicare enrollment records show Gretchen Switzer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Signal Centers Inc
Same address
Audiologist
2212 ENCOMPASS DR STE 148
Chattanooga, TN 37421
  • Reassigned Medicare billing, Tennessee enrollment
  • 8 clinicians in this Medicare group
NPI 1598583965 (423) 635-7733
The Speech And Hearing Center
Same address
Audiologist
2212 ENCOMPASS DR STE 148
Chattanooga, TN 37421
  • Reassigned Medicare billing, Tennessee enrollment
  • 5 clinicians in this Medicare group
NPI 1386667822 (423) 622-6900
Cortland Ent, PC
712 mi
Sleep Medicine
64 POMEROY ST
Cortland, NY 13045
  • Reassigned Medicare billing, New York enrollment
  • 16 clinicians in this Medicare group
NPI 1417144239 (607) 753-6560

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Comprehensive hearing and speech recognition test 92557
A comprehensive hearing and speech recognition test assesses your ability to hear and understand spoken words. It includes hearing tests to check for issues with sound perception and speech tests to evaluate your word recognition. It's a crucial step in identifying any hearing or speech problems.
54 services54 patients
Test to assess middle ear function 92567
A test to assess middle ear function, also known as an impedance audiometry, helps evaluate how well your middle ear works. It measures the movement of your eardrum in response to changes in air pressure. This can help identify issues like fluid build-up, ear infections, or eardrum perforations.
50 services50 patients

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HAILEY LONG AUD
Audiologist
2212 ENCOMPASS DR STE 148
CHATTANOOGA, TN 37421
Hamilton County (423) 622-6900
MRS. MARGARET LEA THOMPSON KENT DPT
Physical Therapist
2212 ENCOMPASS DR STE 148
CHATTANOOGA, TN 37421
Hamilton County (423) 622-6900
THE SPEECH AND HEARING CENTER
Audiologist
2212 ENCOMPASS DR STE 148
CHATTANOOGA, TN 37421
Hamilton County (423) 622-6900
EMILY HAWKINS SLP
Speech-Language Pathologist
2212 ENCOMPASS DR STE 148
CHATTANOOGA, TN 37421
Hamilton County (423) 635-7733
MRS. JULIANNE MARIE CANTRELL SLP-CCC
Speech-Language Pathologist
2212 ENCOMPASS DR STE 148
CHATTANOOGA, TN 37421
Hamilton County (423) 509-5059
AVA MATHIS
Occupational Therapist
2212 ENCOMPASS DR STE 148
CHATTANOOGA, TN 37421
Hamilton County (423) 635-7733
SIGNAL CENTERS INC
Audiologist
2212 ENCOMPASS DR STE 148
CHATTANOOGA, TN 37421
Hamilton County (423) 635-7733
MISS REBECCA WINKLER MS SLP
Speech-Language Pathologist
2212 ENCOMPASS DR STE 148
CHATTANOOGA, TN 37421
Hamilton County (423) 635-7733

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 Gretchen Switzer's NPI number?

The NPI number for Gretchen Switzer is 1992960470. It was assigned to this individual provider in the NPPES registry on July 23, 2008.

Where is Gretchen Switzer located?

Gretchen Switzer practices at 2212 Encompass Dr Ste 148, Chattanooga, TN 37421. The listed phone number is (423) 635-7733.

What is Gretchen Switzer's specialty?

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

Is Gretchen Switzer enrolled in Medicare?

Yes. Gretchen Switzer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Gretchen Switzer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gretchen Switzer reassigns Medicare benefits to 3 organizations: Signal Centers Inc (Chattanooga, TN), The Speech And Hearing Center (Chattanooga, TN) and Cortland Ent, PC (Cortland, NY). Each 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 Gretchen Switzer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gretchen Switzer accept?

Health plans from BlueCross BlueShield of Tennessee list Gretchen Switzer 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 Gretchen Switzer was last updated on August 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.