Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. Harrison Robert Olk, MA, CCC-SLP

Individual provider Speech-Language Pathologist · NPI 1265817654

Mr. Harrison Robert Olk, MA, CCC-SLP is a Speech-Language Pathologist in Duluth, Minnesota. Works from 2 locations. Licensed in Oregon.

Licensed in
OR
In the registry since
2015
What do these letters mean?
MA — Master of Arts
A graduate arts degree.
CCC-SLP — Certificate of Clinical Competence in Speech-Language Pathology
A speech-language pathologist certified by ASHA.

See every abbreviation used in this directory →

Practice location Address checks out

1600 Miller Trunk Hwy
Duluth, MN 55811-5640
Phone: (218) 786-5360
Fax: (218) 786-5435
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2501 Rice Lake Rd, Duluth, MN 55811-4819 — (218) 625-6400

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence 15540 (OR)

Record details

NPI number1265817654
Entity typeIndividual (Type 1)
GenderMale
Credentials MA , CCC-SLP
Sole proprietorNo
NPI enumeratedJuly 27, 2015
Last updated in NPPESDecember 29, 2020
Certification dateDecember 21, 2020

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