Katherine Johnson
NPI 1720600422 · Speech-Language Pathologist · Arkadelphia, AR
Enrolled with Medicare as Practitioner - Qualified Speech Language Pathologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Johnson is a Speech-Language Pathologist provider in Arkadelphia, AR (NPI 1720600422).
Provider details
- NPI number
- 1720600422
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
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
6 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2020-05-15
- Last updated
- 2020-05-15
- Certified
- 2020-05-15
Frequently asked questions
- What is Katherine Johnson's NPI number?
- Katherine Johnson's National Provider Identifier (NPI) is 1720600422, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Johnson's specialty?
- Katherine Johnson is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Katherine Johnson located?
- Katherine Johnson's practice location on file with NPPES is 711 Clinton St Ste 201, Arkadelphia, AR 71923-5967.
- What is Katherine Johnson's phone number?
- The practice phone number listed in the NPPES registry for Katherine Johnson is (870) 246-3077.
- Does Katherine Johnson accept Medicare?
- Katherine Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Johnson's NPI active?
- Yes — Katherine Johnson's NPI (1720600422) is active in the NPPES registry as of the last update on 2020-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.