NPPES file of Aug 9, 2026

Kate M. Longenbach, AU.D

Audiologist · Philadelphia, PA

Kate M. Longenbach, AU.D is an audiologist with a practice address in Philadelphia, Pennsylvania, and NPI 1669736963, issued on Jul 2, 2012. Check the license (Pennsylvania AT006260, as entered in NPPES) with the Pennsylvania 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
1669736963
Name
Kate M. Longenbach
Credential
AU.D
Primary taxonomy
Audiologist 231H00000X
License number
AT006260 PA
Self-reported in NPPES; status is on the state search
Practice location
925 Chestnut St, Philadelphia, PA 19107
Phone
(215) 955-6760
Enumerated
Jul 2, 2012
Record last updated
Jul 31, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(215) 923-4532
Medicare enrollment
Enrolled (PECOS I20120726000206); 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 919 in Pennsylvania → Look up another NPI →

Also registered at 925 Chestnut St

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

  1. Maysa Abu-Khalaf, MDMedical Oncology Physician1194713495
  2. Asim AhmedStudent in an Organized Health Care Education/Training Program1669319059
  3. Seyfettin Alpdogan, MDMedical Oncology Physician1558538991
  4. Anjali Avadhani, MDHematology & Oncology Physician1194887059
  5. Rita Axelrod, M.D.Medical Oncology Physician1881616126
  6. Donald Beahm, MDOtolaryngology Physician1245423714

Verify Kate M. Longenbach in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license AT006260    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 Pennsylvania 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. Specialty Physician Associates, LLCBethlehem, PA

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

Kate M. Longenbach among 919 audiologist records in Pennsylvania

Kate M. Longenbach, AU.D is one of 919 audiologist records with a practice address in Pennsylvania. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 55% of them.

  • NPI issued2012 · 55% of these records are older, 42% newer
  • In a Medicare fileYes · 38% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2012 · median 2014 among the 391 with a school on file
  • Record last updated2012 · 65% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Audiologist providers in Pennsylvania

There are 919 audiologist records in Pennsylvania.

All 919 in Pennsylvania → Every provider in Philadelphia → Audiologist nationwide →

The 8 audiologist records with the nearest ZIP codes

  1. Anna Bixler, AU.D.Philadelphia, PA 191071871035667
  2. Nancy CatterallPhiladelphia, PA 191071366635153
  3. Julia Croce, AU.D.Philadelphia, PA 191071801021274
  4. Anne Dougherty, AU.D.Philadelphia, PA 191071053507830
  5. Emily Gnatt, AUDPhiladelphia, PA 191071538510730
  6. Louisa Liang, AU.D.Philadelphia, PA 191071134477896
  7. Sarah Lively, AU.D.Philadelphia, PA 191071598292989
  8. Paula Marcinkevich, AUDPhiladelphia, PA 191071396939948

Common questions

What is Kate M. Longenbach, AU.D's NPI number?

Kate M. Longenbach, AU.D's National Provider Identifier (NPI) is 1669736963, issued on Jul 2, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Kate M. Longenbach, AU.D located?

The NPPES record lists a practice address at 925 Chestnut St, Philadelphia, PA, 19107. Phone: (215) 955-6760. Providers update this record themselves, so call before visiting.

How can I verify Kate M. Longenbach, AU.D's license?

NPPES lists Pennsylvania license number AT006260, as entered by the provider. Search the Pennsylvania 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.