NPPES file of Aug 9, 2026

Gwendolyn Angela Johnson, DT

Developmental Therapist · Warrenville, IL

Gwendolyn Angela Johnson, DT is a developmental therapist with a practice address in Warrenville, Illinois, and NPI 1649482167, issued on May 4, 2007. Check the license (Illinois GM11930903, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649482167
Name
Gwendolyn Angela Johnson
Credential
DT
Primary taxonomy
Developmental Therapist 222Q00000X
License number
GM11930903 IL
Self-reported in NPPES; status is on the state search
Practice location
29W410 Forestview Dr, Warrenville, IL 60555
Phone
(630) 863-4936
Enumerated
May 4, 2007
Record last updated
Feb 26, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(630) 791-9146
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Gwendolyn Angela Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license GM11930903    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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Developmental Therapist providers in Illinois

There are 2,793 developmental therapist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,793 in Illinois → Every provider in Warrenville →

Other developmental therapist records in Illinois

  1. Karen (mundt) Romano, DEVELOPMENTAL THERAPElgin, IL1770526600
  2. Carly AbateChicago, IL1790138006
  3. Karla AbbingtonChicago, IL1831674266
  4. Audrey AbborenoBarrington, IL1487285128
  5. Shannon AbendrothNokomis, IL1689465346
  6. Julie Adams, M.S.Washington, IL1700024916
  7. Leticia Adams, DTChicago, IL1750610648
  8. Tatiana AdamsAlton, IL1629668843
  9. Quitina Adams-HawkinsChicago, IL1790670370
  10. Azure AddisonChicago, IL1649710120

Common questions

What is Gwendolyn Angela Johnson, DT's NPI number?

Gwendolyn Angela Johnson, DT's National Provider Identifier (NPI) is 1649482167, issued on May 4, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gwendolyn Angela Johnson, DT located?

The NPPES record lists a practice address at 29W410 Forestview Dr, Warrenville, IL, 60555. Phone: (630) 863-4936. Providers update this record themselves, so call before visiting.

How can I verify Gwendolyn Angela Johnson, DT's license?

NPPES lists Illinois license number GM11930903, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.