NPPES file of Aug 9, 2026

Eileen C. Sullivan, LCSW

Clinical Social Worker · St Charles, IL

Eileen C. Sullivan, LCSW is a clinical social worker with a practice address in St Charles, Illinois, and NPI 1174045827, issued on Jul 14, 2017. Check the license (Illinois 149.027189, 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
1174045827
Name
Eileen C. Sullivan
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
149.027189 IL
150.101222 IL
Self-reported in NPPES; status is on the state search
Practice location
1120 E Main St Ste 201, St Charles, IL 60174
Phone
(630) 377-6613
Enumerated
Jul 14, 2017
Record last updated
May 30, 2024
Fax
(630) 377-6225
Medicare enrollment
Enrolled (PECOS I20241022004065); 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 clinical social worker records → All 13,637 in Illinois → Look up another NPI →

Also registered at 1120 E Main St Ste 201

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

  1. Kesha Ainsworth, LSW, CADCSocial Worker1447904644
  2. Grace AndersonMental Health Counselor1952113029
  3. Timothy Buhrt, PSY.D.Clinical Psychologist1063408250
  4. Stavroula Caribacas-Rendas, LPCProfessional Counselor1043982028
  5. Sarah Carroll Turner, LPCProfessional Counselor1841713997
  6. Mary Clarke, MA, LCPC, CADCMental Health Counselor1114077567

Verify Eileen C. Sullivan 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 149.027189    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. Centennial Counseling Center, PCSt Charles, IL

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

Eileen C. Sullivan among 13,637 clinical social worker records in Illinois

Eileen C. Sullivan, LCSW is one of 13,637 clinical social worker records with a practice address in Illinois. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 50% of them.

  • NPI issued2017 · 50% of these records are older, 46% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated2015 · median 2010 among the 2,895 with a school on file
  • Record last updated2024 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

93 clinical social worker records list a practice address in St Charles

They are 93 of the 1,113 NPPES records with a practice address in St Charles, and 13,637 clinical social worker records in Illinois.

All 13,637 in Illinois → Every provider in St Charles → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Kristin Armstrong, LCSWSt Charles, IL 601741053486308
  2. Katherine Brosier, LCSWSt Charles, IL 601741043312838
  3. Tracey Clifford, DR EDD LCSWSt Charles, IL 601741306956800
  4. Denny Clouse, MSW/LCSWSt Charles, IL 601741902905680
  5. Sharon Feryance, MSWSt Charles, IL 601741194711390
  6. Gary Littlefield, LCSWSaint Charles, IL 601741417084963
  7. Jacqueline Marshall, L.C.S.W.St Charles, IL 601741528133253
  8. Maureen McKane, LCSWSt Charles, IL 601741528136637

Common questions

What is Eileen C. Sullivan, LCSW's NPI number?

Eileen C. Sullivan, LCSW's National Provider Identifier (NPI) is 1174045827, issued on Jul 14, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Eileen C. Sullivan, LCSW located?

The NPPES record lists a practice address at 1120 E Main St Ste 201, St Charles, IL, 60174. Phone: (630) 377-6613. Providers update this record themselves, so call before visiting.

How can I verify Eileen C. Sullivan, LCSW's license?

NPPES lists Illinois license number 149.027189, 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.