NPPES file of Aug 9, 2026

Kathryn Jin Siu, AUD

Audiologist-Hearing Aid Fitter · Longmeadow, MA

Kathryn Jin Siu, AUD is an audiologist-hearing aid fitter with a practice address in Longmeadow, Massachusetts, and NPI 1720772130, issued on Jun 7, 2023. Check the license (Massachusetts AUD100051, as entered in NPPES) with the Massachusetts 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
1720772130
Name
Kathryn Jin Siu
Credential
AUD
Primary taxonomy
Audiologist-Hearing Aid Fitter 237600000X
License numbers
AUD100051 MA
000758 CT
Self-reported in NPPES; status is on the state search
Practice location
32 Norway St, Longmeadow, MA 01106
Phone
(413) 567-0374
Enumerated
Jun 7, 2023
Record last updated
Apr 15, 2026
Medicare enrollment
Enrolled (PECOS I20230815002373); accepts Medicare assignment
Medical or professional school
Washington University School Of Medicine, 2023
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 32 in Massachusetts → Look up another NPI →

Also registered at 32 Norway St

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

  1. Erin BoschDevelopmental Therapist1497930366
  2. Laurie BrownSpecialist1043774201
  3. Kathleen CampbellDevelopmental Therapist1942485982
  4. Gloria CangialosiSpeech-Language Assistant1104263961
  5. Kathleen Devlin-DelisleSpeech-Language Pathologist1790974087
  6. Hayley DurandSpecialist1184109928

Verify Kathryn Jin Siu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license AUD100051    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 Massachusetts 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 2 group practices

  1. Ear Nose And Throat Specialists OF CT PCHamden, CT
  2. Willie Ross School For The Deaf IncLongmeadow, MA

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

Kathryn Jin Siu among 32 audiologist-hearing aid fitter records in Massachusetts

Kathryn Jin Siu, AUD is one of 32 audiologist-hearing aid fitter records with a practice address in Massachusetts. 22% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 94% of them.

  • NPI issued2023 · 94% of these records are older, 3% newer
  • In a Medicare fileYes · 22% of these records are
  • In the CMS Doctors and Clinicians fileYes · 28% of these records are
  • Record last updated2026 · 69% 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 Massachusetts 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 Massachusetts

There are 32 audiologist-hearing aid fitter records in Massachusetts.

All 32 in Massachusetts → Every provider in Longmeadow → Audiologist-Hearing Aid Fitter nationwide →

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

  1. Deborah Stroetzel, MA, CCC-APalmer, MA 010691417263021
  2. Jeanne Coburn, M.A.Northampton, MA 010601467593319
  3. Jaclyn Gauger, MA, CCC-ANorthampton, MA 010601205951225
  4. Kathryn Girardin, AU.D.Holyoke, MA 010401619186947
  5. Lawrence Prusak, M.A.Holyoke, MA 010401457489981
  6. Paula Cattel, M.A., CCC-AFitchburg, MA 014201962609065
  7. Dayna Hume, CCCALeominster, MA 014531174715940
  8. Kirby Greene, M.ED.North Oxford, MA 015371912975491

Common questions

What is Kathryn Jin Siu, AUD's NPI number?

Kathryn Jin Siu, AUD's National Provider Identifier (NPI) is 1720772130, issued on Jun 7, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Jin Siu, AUD located?

The NPPES record lists a practice address at 32 Norway St, Longmeadow, MA, 01106. Phone: (413) 567-0374. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Jin Siu, AUD's license?

NPPES lists Massachusetts license number AUD100051, as entered by the provider. Search the Massachusetts 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.