NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mari Olk

Physician Assistant in Duluth, MN · enumerated 2016 · practices at St. Luke'S Hospital of Duluth.

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

National Provider Identifier

1093164006

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mari Olk
Sex Female
Practice address 1000 E 1st St Ste 203, Duluth, MN, 55805
Phone (218) 249-5555
Enumeration date Jun 9, 2016
Last updated in NPPES Dec 18, 2020

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License MW4569490 (OR) Primary
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

Other identifiers

Identifier Type State Issuer
MW4569490 Other OR MEDICAL LICENSE

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 Mari Olk?
The National Provider Identifier (NPI) for Mari Olk is 1093164006, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mari Olk practice?
The practice location on file with NPPES is in Duluth, MN. 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 2020-12-18.