NPPES file of Aug 9, 2026

Lauren G. Markham, LCSW

Clinical Social Worker · Chicago, IL

Lauren G. Markham, LCSW is a clinical social worker with a practice address in Chicago, Illinois, and NPI 1316419047, issued on Dec 19, 2018. Check the license (Illinois 149.016825, 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
1316419047
Name
Lauren G. Markham
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
149.016825 IL
Self-reported in NPPES; status is on the state search
Practice location
1725 W Harrison St, Chicago, IL 60612
Phone
(312) 563-0922
Enumerated
Dec 19, 2018
Record last updated
Dec 19, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(312) 563-3701
Medicare enrollment
Enrolled (PECOS I20230517003064); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1725 W Harrison St

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

  1. Qurrat-Ul-Ain Abid, MDHospice and Palliative Medicine (Internal Medicine) Physician1053949024
  2. John Acheson, MDSurgery Physician1205528726
  3. David Agbunag, PA-CSurgical Physician Assistant1093885188
  4. Eda Akyar, MDSports Medicine (Family Medicine) Physician1255910006
  5. Jorelle Alexander, DMD,MPHDentist1972790756
  6. Amjad Ali, M.D.Specialist1952359184

Verify Lauren G. Markham 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 149.016825    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. Endeavor Health Medical GroupEvanston, IL

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

Lauren G. Markham among 13,637 clinical social worker records in Illinois

Lauren G. Markham, 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 2018, is newer than 54% of them.

  • NPI issued2018 · 54% of these records are older, 41% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated2012 · median 2010 among the 2,895 with a school on file
  • Record last updated2018 · 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. Linda Beliveau, LCSWChicago, IL 606121982664603
  2. Alice Epley-Tischer, LCSWChicago, IL 606121811004104
  3. Tyra Farrow, MSWChicago, IL 606121508882788
  4. Jill Feldman, LCSWChicago, IL 606121568575785
  5. Carol Garrett, MSWChicago, IL 606121407952898
  6. Eugene Herskovic, M.S.W.Chicago, IL 606121891898094
  7. Joline Labedis, LCSWChicago, IL 606121013029529
  8. Russell Leblanc, LCSWChicago, IL 606121912000167

Common questions

What is Lauren G. Markham, LCSW's NPI number?

Lauren G. Markham, LCSW's National Provider Identifier (NPI) is 1316419047, issued on Dec 19, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Lauren G. Markham, LCSW located?

The NPPES record lists a practice address at 1725 W Harrison St, Chicago, IL, 60612. Phone: (312) 563-0922. Providers update this record themselves, so call before visiting.

How can I verify Lauren G. Markham, LCSW's license?

NPPES lists Illinois license number 149.016825, 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.