NPPES file of Aug 9, 2026

Erik Ross Lees, LCSW CADC

Clinical Social Worker · Chicago, IL

Erik Ross Lees, LCSW CADC is a clinical social worker with a practice address in Chicago, Illinois, and NPI 1376239350, issued on Apr 13, 2023. Check the license (Illinois 149025513, 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
1376239350
Name
Erik Ross Lees
Credential
LCSW CADC
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
149025513 IL
Self-reported in NPPES; status is on the state search
Practice location
2656 W Montrose Ave Ste 101, Chicago, IL 60618
Phone
(312) 761-5115
Enumerated
Apr 13, 2023
Record last updated
Apr 7, 2025
Medicare enrollment
Enrolled (PECOS I20240208000504); 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 →

Verify Erik Ross Lees 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 149025513    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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Erik Ross Lees among 13,637 clinical social worker records in Illinois

Erik Ross Lees, LCSW CADC 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 2023, is newer than 81% of them.

  • NPI issued2023 · 81% of these records are older, 13% newer
  • In a Medicare fileNo · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated2021 · median 2010 among the 2,895 with a school on file
  • Record last updated2025 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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. Lisa Berns, LCSWChicago, IL 606181619022845
  2. Jason Best, LCSWChicago, IL 606181154440105
  3. Joan Brogdon, LCSWChicago, IL 606181003868407
  4. Tracy Cooper, MSW, LCSW, EI-IMHChicago, IL 606181801876552
  5. Carol Ganzer-Child, LCSWChicago, IL 606181801992045
  6. Phyllis Gould, LCSWChicago, IL 606181215920608
  7. Joel Gratch, LCSWChicago, IL 606181356418487
  8. Juanita Guillermo, LCSW, ACSWChicago, IL 606181508995812

Common questions

What is Erik Ross Lees, LCSW CADC's NPI number?

Erik Ross Lees, LCSW CADC's National Provider Identifier (NPI) is 1376239350, issued on Apr 13, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Erik Ross Lees, LCSW CADC located?

The NPPES record lists a practice address at 2656 W Montrose Ave Ste 101, Chicago, IL, 60618. Phone: (312) 761-5115. Providers update this record themselves, so call before visiting.

How can I verify Erik Ross Lees, LCSW CADC's license?

NPPES lists Illinois license number 149025513, 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.