Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Cassie E Costilow, AUD

Audiologist in Asheville, NC · enumerated 2014.

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

National Provider Identifier

1124430780

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Registry record

Entity type Individual (Type 1)

Name Cassie E Costilow

Credential AUD

Sex Female

Practice address 1065 Hendersonville Rd, Asheville Head Neck & Ear Surgeons PA, Asheville, NC, 28803

Phone (828) 204-3517

Fax (828) 253-6960

Enumeration date May 29, 2014

Last updated in NPPES Aug 8, 2016

Taxonomy & licenses

237600000X Audiologist-Hearing Aid Fitter Speech, Language and Hearing Service Providers Secondary

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 10969 (NC) 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 Cassie Costilow?

The National Provider Identifier (NPI) for Cassie Costilow is 1124430780, a Type 1 (individual) record in the CMS NPPES registry.

Where does Cassie Costilow practice?

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

Other providers at this practice address

Browse all →

Frank Melvin Otolaryngology Physician · Asheville, NC NPI 1447210885 Theodore Rheney Otolaryngology Physician · Asheville, NC NPI 1083674428 Robert Moore Otolaryngology Physician · Asheville, NC NPI 1063473049 Stephen Seal Otolaryngology/Facial Plastic Surgery Physician · Asheville, NC NPI 1194788760 Ilene Ashbaugh Audiologist-Hearing Aid Fitter · Asheville, NC NPI 1649223314 Jeanie Paschall Audiologist · Asheville, NC NPI 1366498909 Ronald Lane Otolaryngology Physician · Asheville, NC NPI 1609988997 John Currens Otolaryngology Physician · Asheville, NC NPI 1891897021

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-08-08.