NPPES file of Aug 9, 2026

Matthew J. Fleming, LCSW

Clinical Social Worker · Libertyville, IL

Matthew J. Fleming, LCSW is a clinical social worker with a practice address in Libertyville, Illinois, and NPI 1669207452, issued on Sep 3, 2024. Check the license (Illinois 149031569, 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
1669207452
Name
Matthew J. Fleming
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
149031569 IL
Self-reported in NPPES; status is on the state search
Practice location
1248 American Way, Libertyville, IL 60048
Phone
(224) 433-6744
Enumerated
Sep 3, 2024
Record last updated
Jun 11, 2026
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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8 nearest clinical social worker records → All 13,637 in Illinois → Look up another NPI →

Also registered at 1248 American Way

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

  1. Arellys AguinagaClinical Psychologist1306129028
  2. Kelly Behrends, PSYDClinical Psychologist1598809113
  3. Danielle Bent, LSWSocial Worker1508667155
  4. Melissa Brennan, ED.S, LCPCProfessional Counselor1093853533
  5. Colleen DunnMental Health Counselor1083389605
  6. Mindy Forman, PSYDPsychologist1851768725

Verify Matthew J. Fleming 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 149031569    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

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Matthew J. Fleming among 13,637 clinical social worker records in Illinois

Matthew J. Fleming, 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 not. Its NPI, issued in 2024, is newer than 87% of them.

  • NPI issued2024 · 87% of these records are older, 8% newer
  • In a Medicare fileNo · 14% of these records are
  • In the CMS Doctors and Clinicians fileNo · 21% of these records are
  • Record last updated2026 · 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).

79 clinical social worker records list a practice address in Libertyville

They are 79 of the 1,361 NPPES records with a practice address in Libertyville, and 13,637 clinical social worker records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

The 8 clinical social worker records with the nearest ZIP codes

  1. Sara AndersonLibertyville, IL 600481881796092
  2. Amy Byrne, LCSW, CADCLibertyville, IL 600481033212980
  3. Deane Happ, MSW, LCSWLibertyville, IL 600481154435832
  4. Alan HeigertLibertyville, IL 600481447352661
  5. Rita Johnson, LCSWLibertyville, IL 600481730292152
  6. Penelope Klestinski, LCSWLibertyville, IL 600481265545628
  7. Arlene Messner -Peters, LCSW MSWLibertyville, IL 600481356394886
  8. Karen Meyer, L.C.S.WLibertyville, IL 600481023043809

Common questions

What is Matthew J. Fleming, LCSW's NPI number?

Matthew J. Fleming, LCSW's National Provider Identifier (NPI) is 1669207452, issued on Sep 3, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Matthew J. Fleming, LCSW located?

The NPPES record lists a practice address at 1248 American Way, Libertyville, IL, 60048. Phone: (224) 433-6744. Providers update this record themselves, so call before visiting.

How can I verify Matthew J. Fleming, LCSW's license?

NPPES lists Illinois license number 149031569, 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.