Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Marsha Ann Johnson, AU.D.
Audiologist in Portland, OR · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1457484024
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Registry record
Entity type Individual (Type 1)
Name Dr. Marsha Ann Johnson
Credential AU.D.
Sex Female
Practice address 1827 Ne 44th Ave Ste 130, Portland, OR, 97213
Phone (503) 234-1221
Fax (503) 234-4227
Enumeration date Mar 13, 2007
Last updated in NPPES Nov 13, 2025
Taxonomy & licenses
237600000X Audiologist-Hearing Aid Fitter Speech, Language and Hearing Service Providers · License 21856 (OR) Secondary
231HA2400X Assistive Technology Practitioner Audiologist Speech, Language and Hearing Service Providers · License 21856 (OR) Secondary
231HA2500X Assistive Technology Supplier Audiologist Speech, Language and Hearing Service Providers · License 21856 (OR) Secondary
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.
Frequently asked questions
What is the NPI number for Marsha Johnson?
The National Provider Identifier (NPI) for Marsha Johnson is 1457484024, a Type 1 (individual) record in the CMS NPPES registry.
Where does Marsha Johnson practice?
The practice location on file with NPPES is in Portland, OR. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-13.