Gwendolyn Johnson, DT
NPI 1649482167 · Developmental Therapist · Warrenville, IL
Gwendolyn Johnson, DT is a Developmental Therapist provider in Warrenville, IL (NPI 1649482167).
Provider details
- NPI number
- 1649482167
- Entity type
- Individual
- Primary specialty
- Developmental TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- DT
- Sex
- Female
- Sole proprietor
- Yes
- License
- GM11930903 (IL)
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
19 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
- 2007-05-04
- Last updated
- 2008-02-26
Frequently asked questions
- What is Gwendolyn Johnson's NPI number?
- Gwendolyn Johnson's National Provider Identifier (NPI) is 1649482167, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwendolyn Johnson's specialty?
- Gwendolyn Johnson is listed in the NPPES registry with a primary specialty of Developmental Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Gwendolyn Johnson located?
- Gwendolyn Johnson's practice location on file with NPPES is 29w410 Forestview Dr, Warrenville, IL 60555.
- What is Gwendolyn Johnson's phone number?
- The practice phone number listed in the NPPES registry for Gwendolyn Johnson is (630) 863-4936.
- Is Gwendolyn Johnson's NPI active?
- Yes — Gwendolyn Johnson's NPI (1649482167) is active in the NPPES registry as of the last update on 2008-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.