NPPES file of Aug 9, 2026

Glenn Weiss, LCSW

Clinical Social Worker · Buffalo Grove, IL

Glenn Weiss, LCSW is a clinical social worker with a practice address in Buffalo Grove, Illinois, and NPI 1578674222, issued on Aug 31, 2006. Check the license (Illinois 149003833, 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
1578674222
Name
Glenn Weiss
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
149003833 IL
Self-reported in NPPES; status is on the state search
Practice location
1401 Mchenry RD, Buffalo Grove, IL 60089
Phone
(847) 913-0393
Enumerated
Aug 31, 2006
Record last updated
Jul 21, 2024
Fax
(847) 913-9630
Medicare enrollment
Enrolled (PECOS I20250107000868); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1987
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 1401 Mchenry RD

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

  1. Lisa Aranas, LCPCProfessional Counselor1164758595
  2. Nancy Belvisi, LCSWClinical Social Worker1841382017
  3. James Brydon, LCSWClinical Social Worker1679512602
  4. Dennis Coghlin, LCSWClinical Social Worker1770675985
  5. Sue Deluca, LCSWClinical Social Worker1972676245
  6. Sandra Derks, LCPCProfessional Counselor1821162983

Verify Glenn Weiss 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 149003833    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. Arbor Counseling Center, LtdBuffalo Grove, IL

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

Glenn Weiss among 13,637 clinical social worker records in Illinois

Glenn Weiss, 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 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 90% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated1987 · 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).

54 clinical social worker records list a practice address in Buffalo Grove

They are 54 of the 868 NPPES records with a practice address in Buffalo Grove, and 13,637 clinical social worker records in Illinois.

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

The 8 clinical social worker records with the nearest ZIP codes

  1. Nancy Belvisi, LCSWBuffalo Grove, IL 600891841382017
  2. James Brydon, LCSWBuffalo Grove, IL 600891679512602
  3. Dennis Coghlin, LCSWBuffalo Grove, IL 600891770675985
  4. Sue Deluca, LCSWBuffalo Grove, IL 600891972676245
  5. Hal Filian, LCSWBuffalo Grove, IL 600891871667873
  6. Linda Folan, LCSWBuffalo Grove, IL 600891831176676
  7. Jeri Laureano, LCSWBuffalo Grove, IL 600891427079847
  8. Jacqueline Mallinger, MSWBuffalo Grove, IL 600891164598660

Common questions

What is Glenn Weiss, LCSW's NPI number?

Glenn Weiss, LCSW's National Provider Identifier (NPI) is 1578674222, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Glenn Weiss, LCSW located?

The NPPES record lists a practice address at 1401 Mchenry RD, Buffalo Grove, IL, 60089. Phone: (847) 913-0393. Providers update this record themselves, so call before visiting.

How can I verify Glenn Weiss, LCSW's license?

NPPES lists Illinois license number 149003833, 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.