Harrison Olk, M.A., CCC-SLP
NPI 1265817654 · Speech-Language Pathologist · Duluth, MN
Enrolled with Medicare as Practitioner - Qualified Speech Language Pathologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harrison Olk, M.A., CCC-SLP is a Speech-Language Pathologist provider in Duluth, MN (NPI 1265817654).
Provider details
- NPI number
- 1265817654
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.A., CCC-SLP
- Sex
- Male
- Sole proprietor
- No
- License
- 15540 (OR)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 2501 Rice Lake RdDuluth, MN 55811-4819Phone: (218) 625-6400
Registry dates
- Enumerated
- 2015-07-27
- Last updated
- 2020-12-29
- Certified
- 2020-12-21
Frequently asked questions
- What is Harrison Olk's NPI number?
- Harrison Olk's National Provider Identifier (NPI) is 1265817654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harrison Olk's specialty?
- Harrison Olk is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Harrison Olk located?
- Harrison Olk's practice location on file with NPPES is 1600 Miller Trunk Hwy, Duluth, MN 55811-5640.
- What is Harrison Olk's phone number?
- The practice phone number listed in the NPPES registry for Harrison Olk is (218) 786-5360.
- Does Harrison Olk accept Medicare?
- Harrison Olk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harrison Olk's NPI active?
- Yes — Harrison Olk's NPI (1265817654) is active in the NPPES registry as of the last update on 2020-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.