Hannah Marie Williams, AU.D.
Audiologist · Groton, SD
Hannah Marie Williams, AU.D. is an audiologist with a practice address in Groton, South Dakota, and NPI 1720836794, issued on May 7, 2024. Check the license (South Dakota 1135-A, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hannah Marie Williams
- Credential
- AU.D.
- Primary taxonomy
- Audiologist 231H00000X
- License number
- 1135-A SD
Self-reported in NPPES; status is on the state search - Practice location
- 214 N 6TH St, Groton, SD 57445
- Phone
- (605) 857-1412
- Enumerated
- May 7, 2024
- Record last updated
- Feb 17, 2026
- Medicare enrollment
- Enrolled (PECOS I20240625002153); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest audiologist records → All 85 in South Dakota → Look up another NPI →
Verify Hannah Marie Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
Search for license 1135-ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Schwab Audiology, Inc.Aberdeen, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hannah Marie Williams among 85 audiologist records in South Dakota
Hannah Marie Williams, AU.D. is one of 85 audiologist records with a practice address in South Dakota. 47% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 85% of them.
- NPI issued2024 · 85% of these records are older, 8% newer
- In a Medicare fileYes · 47% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2024 · median 2015 among the 44 with a school on file
- Record last updated2026 · 46% 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 South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 audiologist record lists a practice address in Groton
They are 1 of the 14 NPPES records with a practice address in Groton, and 85 audiologist records in South Dakota.
All 85 in South Dakota → Every provider in Groton → Audiologist nationwide →
The 8 audiologist records with the nearest ZIP codes
- Patrick Coughlin, AUDAberdeen, SD 574011801092929
- Robert Froke, M.A., CCC-A, FAAAAberdeen, SD 574011750655940
- Elizabeth Schwab, AU.D.Aberdeen, SD 574011164804357
- Michael Colleran, MA, CCC-APierre, SD 575011912904400
- Morgan Deaver, AUDPierre, SD 575011821846338
- Matthew Falk, AU.D.Pierre, SD 575011417593153
- Alexander Helbig, AU.D.Pierre, SD 575011760824940
- Julia Jones, MS CCC-APierre, SD 575011831196781
Common questions
What is Hannah Marie Williams, AU.D.'s NPI number?
Hannah Marie Williams, AU.D.'s National Provider Identifier (NPI) is 1720836794, issued on May 7, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Hannah Marie Williams, AU.D. located?
The NPPES record lists a practice address at 214 N 6TH St, Groton, SD, 57445. Phone: (605) 857-1412. Providers update this record themselves, so call before visiting.
How can I verify Hannah Marie Williams, AU.D.'s license?
NPPES lists South Dakota license number 1135-A, as entered by the provider. Search the South Dakota 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.
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.