Katharine Johnson, RRT
NPI 1538869284 · Registered Respiratory Therapist · South Portland, ME
Katharine Johnson, RRT is a Registered Respiratory Therapist provider in South Portland, ME (NPI 1538869284).
Provider details
- NPI number
- 1538869284
- Entity type
- Individual
- Primary specialty
- Registered Respiratory TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- RRT
- Sex
- Female
- Sole proprietor
- No
- License
- TH2058 (ME)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2023-03-09
- Last updated
- 2025-06-06
- Certified
- 2025-06-06
Frequently asked questions
- What is Katharine Johnson's NPI number?
- Katharine Johnson's National Provider Identifier (NPI) is 1538869284, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katharine Johnson's specialty?
- Katharine Johnson is listed in the NPPES registry with a primary specialty of Registered Respiratory Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Katharine Johnson located?
- Katharine Johnson's practice location on file with NPPES is 100 Foden Rd, South Portland, ME 04106-1715.
- What is Katharine Johnson's phone number?
- The practice phone number listed in the NPPES registry for Katharine Johnson is (207) 523-8500.
- Is Katharine Johnson's NPI active?
- Yes — Katharine Johnson's NPI (1538869284) is active in the NPPES registry as of the last update on 2025-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.