MR. HARRISON ROBERT OLK M.A., CCC-SLP
NPI 1265817654
Speech-Language Pathologist in Duluth, MN

Active since July 27, 2015
1600 MILLER TRUNK HWY, DULUTH, MN 55811(218) 786-5360(218) 786-5435 Get Directions Write a Review

NPPES record last updated: December 29, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 29, 2020, May 17, 2020 (2 updates tracked since 2020).

About Mr. Harrison Robert Olk M.a., Ccc-slp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. HARRISON ROBERT OLK M.A., CCC-SLP (NPI 1265817654) is an individual speech-language pathologist provider in Duluth, Minnesota, licensed in Oregon (15540) and active in the NPI registry since July 2015. He maintains a secondary practice location in Duluth.

NPPES Registry Identity

NPI1265817654
Entity TypeIndividualMale
Primary Taxonomy235Z00000X
Provider Legal NameMR. HARRISON ROBERT OLKCredential: M.A., CCC-SLP
Location Address1600 MILLER TRUNK HWYDuluth, MN 55811-5640
Mailing AddressSsb-5, 400 East Third StreetDuluth, MN 55805-1951 · (218) 786-8364
Fax(218) 786-5435
Sole ProprietorNo
Enumeration DateJuly 27, 2015
Last NPPES UpdateDecember 29, 20202 updates tracked since enumeration
NPPES CertifiedDecember 21, 2020
NPI 1265817654 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License Licensed in OR · 15540
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
1600 MILLER TRUNK HWY, Duluth, MN 55811

Secondary Practice Location 1

Location 12501 Rice Lake RdDuluth, MN 55811-4819 · Phone (218) 625-6400

Accepted Insurance

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Optometrist
1600 MILLER TRUNK HWY
DULUTH, MN 55811
Optometrist
1600 MILLER TRUNK HWY
DULUTH, MN 55811
Optometrist
1600 MILLER TRUNK HWY
DULUTH, MN 55811
Optometrist
1600 MILLER TRUNK HWY, SUITE 429
DULUTH, MN 55811
Speech-Language Pathologist
1600 MILLER TRUNK HWY
DULUTH, MN 55811
Eyewear Supplier
1600 MILLER TRUNK HWY
DULUTH, MN 55811
Physical Therapist
1600 MILLER TRUNK HWY
DULUTH, MN 55811
Eyewear Supplier
1600 MILLER TRUNK HWY
DULUTH, MN 55811

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Harrison Olk's NPI number?

The NPI number for Harrison Olk is 1265817654. It was assigned to this individual provider in the NPPES registry on July 27, 2015.

Where is Harrison Olk located?

Harrison Olk practices at 1600 Miller Trunk Hwy, Duluth, MN 55811. The listed phone number is (218) 786-5360.

What is Harrison Olk's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

What insurance does Harrison Olk accept?

Health plans from Medica list Harrison Olk as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Harrison Olk was last updated on December 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.