NPPES file of Aug 9, 2026

Gretchen Switzer, AU.D.

Audiologist-Hearing Aid Fitter · Chattanooga, TN

Gretchen Switzer, AU.D. is an audiologist-hearing aid fitter with a practice address in Chattanooga, Tennessee, and NPI 1992960470, issued on Jul 23, 2008. Check the license (Tennessee 2125, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992960470
Name
Gretchen Switzer
Credential
AU.D.
Primary taxonomy
Audiologist-Hearing Aid Fitter 237600000X
License numbers
2125 TN
80924 TX
AUD4036 ID
Self-reported in NPPES; status is on the state search
Practice location
2212 Encompass Dr Ste 148, Chattanooga, TN 37421
Phone
(423) 635-7733
Enumerated
Jul 23, 2008
Record last updated
Aug 22, 2022
Fax
(713) 344-9420
Medicare enrollment
Enrolled (PECOS I20220831001648); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest audiologist-hearing aid fitter records → All 57 in Tennessee → Look up another NPI →

Also registered at 2212 Encompass Dr Ste 148

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Julianne Cantrell, SLP-CCCSpeech-Language Pathologist1538634464
  2. Emily Hawkins, SLPSpeech-Language Pathologist1447981030
  3. Chelsea Holden, OTR/LOccupational Therapist1720618143
  4. Margaret Lea Kent, DPTPhysical Therapist1194000471
  5. Hailey Long, AUDAudiologist1154113702
  6. Ava MathisOccupational Therapist1598424335

Verify Gretchen Switzer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license 2125    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Signal Centers, IncChattanooga, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gretchen Switzer among 57 audiologist-hearing aid fitter records in Tennessee

Gretchen Switzer, AU.D. is one of 57 audiologist-hearing aid fitter records with a practice address in Tennessee. 33% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 28% of them.

  • NPI issued2008 · 28% of these records are older, 51% newer
  • In a Medicare fileYes · 33% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2008 · median 2004 among the 24 with a school on file
  • Record last updated2022 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 237600000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Audiologist-Hearing Aid Fitter providers in Tennessee

There are 57 audiologist-hearing aid fitter records in Tennessee.

All 57 in Tennessee → Every provider in Chattanooga → Audiologist-Hearing Aid Fitter nationwide →

The 8 audiologist-hearing aid fitter records with the nearest ZIP codes

  1. Paul Gaudiano, DOCTOR OF AUDIOLOGYChattanooga, TN 374211639554116
  2. Taylor Lyon, AU.D, CCC-AChattanooga, TN 374211932767993
  3. C. Addison, CCC-A, FAAAChattanooga, TN 374111972772200
  4. Wendy Halsey-Richardson, MS, CCC-AOoltewah, TN 373631760498729
  5. Sara Wilkens, AU.D.Hixson, TN 373431790722726
  6. Margaret Ulrich, CCC ADayton, TN 373211215004908
  7. Tiffany Ahlberg, AU.D., CCC-ACleveland, TN 373121285870915
  8. Lynda Klee, AU.D.Cleveland, TN 373121336281724

Common questions

What is Gretchen Switzer, AU.D.'s NPI number?

Gretchen Switzer, AU.D.'s National Provider Identifier (NPI) is 1992960470, issued on Jul 23, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Gretchen Switzer, AU.D. located?

The NPPES record lists a practice address at 2212 Encompass Dr Ste 148, Chattanooga, TN, 37421. Phone: (423) 635-7733. Providers update this record themselves, so call before visiting.

How can I verify Gretchen Switzer, AU.D.'s license?

NPPES lists Tennessee license number 2125, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.