Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Judith A. Mcmahon, AU.D

Audiologist in Cortland, NY · enumerated 2007 · practices at Audiology Consultants of Cortland, PC.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1316098270

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Registry record

Entity type Individual (Type 1)

Name Dr. Judith A. Mcmahon

Credential AU.D

Sex Female

Practice address 9 Church St, Cortland, NY, 13045

Phone (607) 756-8915

Fax (607) 756-1820

Enumeration date Jan 16, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 001450-1 (NY) Primary

AUD · Doctor of Audiology: A licensed audiologist diagnosing and treating hearing and balance disorders. About the AUD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Judith Mcmahon?

The National Provider Identifier (NPI) for Judith Mcmahon is 1316098270, a Type 1 (individual) record in the CMS NPPES registry.

Where does Judith Mcmahon practice?

The practice location on file with NPPES is in Cortland, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Audiology Consultants of Cortland, PC Audiologist · Cortland, NY NPI 1013118751 Peter Mcmahon Hearing Instrument Specialist · Cortland, NY NPI 1356686224

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.