NPPES file of Aug 9, 2026

Aviva Cahn, LCSW

Clinical Social Worker · Chicago, IL

Aviva Cahn, LCSW is a clinical social worker with a practice address in Chicago, Illinois, and NPI 1003108903, issued on May 10, 2011. Check the license (Illinois 149006633, 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
1003108903
Name
Aviva Cahn
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
149006633 IL
Self-reported in NPPES; status is on the state search
Practice location
333 N Michigan Ave, Chicago, IL 60601
Phone
(773) 301-8576
Enumerated
May 10, 2011
Record last updated
May 10, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20191009003246); 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.
Download card Updates feed

8 nearest clinical social worker records → All 13,637 in Illinois → Look up another NPI →

Also registered at 333 N Michigan Ave

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

  1. James Anderson, PHDClinical Psychologist1295814721
  2. Kelly Balk, PSY.D., L.P.Clinical Psychologist1043605827
  3. Tyler BashamPsychologist1548996275
  4. Lindsay Birchfield, RDRegistered Dietitian1093252835
  5. Darian CarterProfessional Counselor1457823221
  6. Michelle CastoProfessional Counselor1184463549

Verify Aviva Cahn 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 149006633    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Affiliates IN Counseling LLCNorthbrook, IL

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

Aviva Cahn among 13,637 clinical social worker records in Illinois

Aviva Cahn, 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 2011, is newer than 29% of them.

  • NPI issued2011 · 29% of these records are older, 68% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated2004 · median 2010 among the 2,895 with a school on file
  • Record last updated2011 · 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).

4,368 clinical social worker records list a practice address in Chicago

They are 4,368 of the 63,379 NPPES records with a practice address in Chicago, and 13,637 clinical social worker records in Illinois.

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

The 8 clinical social worker records with the nearest ZIP codes

  1. Adrienne Ahlquist, LCSWChicago, IL 606011518040419
  2. Ann Brody, L.C.S.W.Chicago, IL 606011801928866
  3. Judith Chapman, LCSWChicago, IL 606011912047416
  4. Diane Dean, MSWChicago, IL 606011699838110
  5. Robert Feldman, LCSWChicago, IL 606011932134319
  6. Lana Friedman Daugherty, PHD LCSWChicago, IL 606011053463091
  7. Nina Helstein, MA PHDChicago, IL 606011235281213
  8. Robert Mardirossian, PH.D.Chicago, IL 606011568553907

Common questions

What is Aviva Cahn, LCSW's NPI number?

Aviva Cahn, LCSW's National Provider Identifier (NPI) is 1003108903, issued on May 10, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Aviva Cahn, LCSW located?

The NPPES record lists a practice address at 333 N Michigan Ave, Chicago, IL, 60601. Phone: (773) 301-8576. Providers update this record themselves, so call before visiting.

How can I verify Aviva Cahn, LCSW's license?

NPPES lists Illinois license number 149006633, 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.