NPPES file of Aug 9, 2026

Katherine Lynn Sonnamaker, AU.D., CCC-A

Audiologist · Marble Falls, TX

Katherine Lynn Sonnamaker, AU.D., CCC-A is an audiologist with a practice address in Marble Falls, Texas, and NPI 1346358611, issued on Aug 28, 2006. Check the license (Texas 51585, as entered in NPPES) with the Texas board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1346358611
Name
Katherine Lynn Sonnamaker
Credential
AU.D., CCC-A
Primary taxonomy
Audiologist 231H00000X
License number
51585 TX
Self-reported in NPPES; status is on the state search
Practice location
304B Gateway Loop, Marble Falls, TX 78654
Phone
(830) 693-1251
Enumerated
Aug 28, 2006
Record last updated
Jul 15, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(830) 693-8476
Medicare enrollment
Enrolled (PECOS I20260518003171); accepts 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 records → All 1,477 in Texas → Look up another NPI →

Also registered at 304B Gateway Loop

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

  1. Joy O'Neal, M-F.A.Audiologist1659527422

Verify Katherine Lynn Sonnamaker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 51585    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
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Katherine Lynn Sonnamaker among 1,477 audiologist records in Texas

Katherine Lynn Sonnamaker, AU.D., CCC-A is one of 1,477 audiologist records with a practice address in Texas. 35% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 85% newer
  • In a Medicare fileNo · 35% of these records are
  • In the CMS Doctors and Clinicians fileYes · 38% of these records are
  • Graduated2005 · median 2016 among the 566 with a school on file
  • Record last updated2011 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 231H00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Audiologist providers in Texas

There are 1,477 audiologist records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,477 in Texas → Every provider in Marble Falls → Audiologist nationwide →

The 8 audiologist records with the nearest ZIP codes

  1. Alicia Kunkel, AUDMarble Falls, TX 786541114581956
  2. Joy O'Neal, M-F.A.Marble Falls, TX 786541659527422
  3. Courtney Winters Stewart, AU.D., CCC-AMarble Falls, TX 786541700051521
  4. Norah Bowers, AU.D.Pflugerville, TX 786601053530485
  5. Roxanna Chapa, AU.D.Pflugerville, TX 786601053714485
  6. Elise RickertPflugerville, TX 786601861296758
  7. Sonia Cuero, AU.D.Round Rock, TX 786641083666911
  8. Angel De La Cruz, MCD, FAAARound Rock, TX 786641134295371

Common questions

What is Katherine Lynn Sonnamaker, AU.D., CCC-A's NPI number?

Katherine Lynn Sonnamaker, AU.D., CCC-A's National Provider Identifier (NPI) is 1346358611, issued on Aug 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Lynn Sonnamaker, AU.D., CCC-A located?

The NPPES record lists a practice address at 304B Gateway Loop, Marble Falls, TX, 78654. Phone: (830) 693-1251. Providers update this record themselves, so call before visiting.

How can I verify Katherine Lynn Sonnamaker, AU.D., CCC-A's license?

NPPES lists Texas license number 51585, as entered by the provider. Search the Texas 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. 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.