Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Marion Scarlett Oja, RN
Registered Nurse in Astoria, OR · enumerated 2026.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1528900453
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Registry record
Entity type Individual (Type 1)
Name Marion Scarlett Oja
Credential RN
Sex Female
Practice address 316 W Marine Dr, Astoria, OR, 97103
Phone (503) 325-5722
Enumeration date Apr 8, 2026
Last updated in NPPES Apr 8, 2026
Taxonomy & licenses
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN 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
Where does Marion Oja practice?
The practice location on file with NPPES is in Astoria, OR. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Marion Oja?
The National Provider Identifier (NPI) for Marion Oja is 1528900453, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-08.