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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Eric J Frederick, AU.D

Audiologist in Portland, OR · enumerated 2006.

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

National Provider Identifier

1336177138

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Registry record

Entity type Individual (Type 1)
Name Eric J Frederick
Credential AU.D
Sex Male
Practice address Portland, OR, 97232
Phone (503) 928-4327
Fax (503) 719-8209
Enumeration date Jun 29, 2006
Last updated in NPPES Sep 16, 2011

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 21685 (OR) Primary
AUD · Doctor of Audiology: A licensed audiologist diagnosing and treating hearing and balance disorders. About the AUD credential

Other identifiers

Identifier Type State Issuer
1336177138 Other - NPI
084413 Medicaid OR -

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.

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Frequently asked questions

What is the NPI number for Eric Frederick?
The National Provider Identifier (NPI) for Eric Frederick is 1336177138, a Type 1 (individual) record in the CMS NPPES registry.
Where does Eric Frederick practice?
The practice location on file with NPPES is in Portland, OR. 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 2011-09-16.