NPPES file of Aug 9, 2026

James Rollinson Thornton, M.A.

Professional Counselor · Oak Brook, IL

James Rollinson Thornton, M.A. is a professional counselor with a practice address in Oak Brook, Illinois, and NPI 1023832698, issued on Nov 11, 2024. Check the license (Illinois 180.016143, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1023832698
Name
James Rollinson Thornton
Credential
M.A.
Primary taxonomy
Professional Counselor 101YP2500X
License number
180.016143 IL
Self-reported in NPPES; status is on the state search
Practice location
2603 W 22ND St Ste 23, Oak Brook, IL 60523
Phone
(630) 986-0599
Enumerated
Nov 11, 2024
Record last updated
Nov 11, 2024
Medicare enrollment
Enrolled (PECOS I20241223002425); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest professional counselor records → All 9,508 in Illinois → Look up another NPI →

Also registered at 2603 W 22ND St Ste 23

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Marine ChaurizeProfessional Counselor1568270551
  2. Myra GrantOther Technician1023957966
  3. Mariel HerreraCommunity Health Worker1245178110
  4. Laurie LynchProfessional Counselor1821891664
  5. Taylor MatosMental Health Counselor1194697243

Verify James Rollinson Thornton 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 180.016143    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
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Truecare24 Physicians Group, S.C.Chicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

James Rollinson Thornton among 9,508 professional counselor records in Illinois

James Rollinson Thornton, M.A. is one of 9,508 professional counselor records with a practice address in Illinois. 10% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 88% of them.

  • NPI issued2024 · 88% of these records are older, 7% newer
  • In a Medicare fileYes · 10% of these records are
  • In the CMS Doctors and Clinicians fileYes · 15% of these records are
  • Graduated2021 · median 2012 among the 1,382 with a school on file
  • Record last updated2024 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YP2500X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

82 professional counselor records list a practice address in Oak Brook

They are 82 of the 950 NPPES records with a practice address in Oak Brook, and 9,508 professional counselor records in Illinois.

All 9,508 in Illinois → Every provider in Oak Brook → Professional Counselor nationwide →

The 8 professional counselor records with the nearest ZIP codes

  1. Amy Baker, M.A., L.C.P.C.Oak Brook, IL 605231013065309
  2. Patrick Cunningham, M.A., L.C.P.C.Oak Brook, IL 605231164536173
  3. Christine Grygiel, MA, LCPCOak Brook, IL 605231720095821
  4. Lynette Hoy, L.C.P.C.Oak Brook, IL 605231780690453
  5. Helene Jacques, LCPCOak Brook, IL 605231861585358
  6. Marilyn Maul, LMFT LCPCOak Brook, IL 605231891858973
  7. Mary O'Hara, LCPCOak Brook, IL 605231013074913
  8. Stephanie Petrey, LCPCOak Brook, IL 605231558473751

Common questions

What is James Rollinson Thornton, M.A.'s NPI number?

James Rollinson Thornton, M.A.'s National Provider Identifier (NPI) is 1023832698, issued on Nov 11, 2024. An NPI identifies a provider in billing; it is not a license.

Where is James Rollinson Thornton, M.A. located?

The NPPES record lists a practice address at 2603 W 22ND St Ste 23, Oak Brook, IL, 60523. Phone: (630) 986-0599. Providers update this record themselves, so call before visiting.

How can I verify James Rollinson Thornton, M.A.'s license?

NPPES lists Illinois license number 180.016143, 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. Medicare files from data.cms.gov. 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.