Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nathan Erik Michalak, AUD

Audiologist in Norfolk, VA · enumerated 2008.

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

National Provider Identifier

1417121450

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Registry record

Entity type Individual (Type 1)

Name Nathan Erik Michalak

Credential AUD

Sex Male

Practice address 600 Gresham Dr, Suite 1100, Norfolk, VA, 23507

Phone (757) 388-6200

Fax (757) 388-6201

Enumeration date Apr 22, 2008

Last updated in NPPES Jul 16, 2014

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 2201001293 (VA) 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 Nathan Michalak?

The National Provider Identifier (NPI) for Nathan Michalak is 1417121450, a Type 1 (individual) record in the CMS NPPES registry.

Where does Nathan Michalak practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-07-16.