NPPES file of Aug 9, 2026

Warren Mark Brandwein, M.D.

Diagnostic Radiology Physician · Chicago, IL

Warren Mark Brandwein, M.D. is a diagnostic radiology physician with a practice address in Chicago, Illinois, and NPI 1255537858, issued on Jun 21, 2007. Check the license (Illinois 036125775, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1255537858
Name
Warren Mark Brandwein
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
036125775 IL
Self-reported in NPPES; status is on the state search
Practice location
7435 W Talcott Ave, Chicago, IL 60631
Phone
(773) 774-8000
Enumerated
Jun 21, 2007
Record last updated
Feb 5, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(773) 792-5124
Medicaid ID
036125775 IL
Medicare enrollment
Enrolled (PECOS I20130715000689); 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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Also registered at 7435 W Talcott Ave

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

  1. Logan Abel, MDEmergency Medicine Physician1447900592
  2. Rachel Abrams, M.D.Emergency Medicine Physician1659786317
  3. Eva Adams, P.T.Physical Therapist1265780753
  4. Jennifer AdamsStudent in an Organized Health Care Education/Training Program1710681473
  5. John Affinito, MDFamily Medicine Physician1316930191
  6. Omar Ahmed, DOEmergency Medicine Physician1043896947

Verify Warren Mark Brandwein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036125775    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
Open 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 3 group practices

  1. Advocate Health And Hospitals CorporationNaperville, IL
  2. Elmhurst Radiologists SCElmhurst, IL
  3. Integrated Imaging Consultants LLCElgin, IL

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

Diagnostic Radiology Physician providers in Illinois

There are 1,874 diagnostic radiology physician records in Illinois.

All 1,874 in Illinois → Every provider in Chicago →

Other diagnostic radiology physician records in Illinois

  1. Samir Abboud, MDChicago, IL1124361324
  2. Sarah Abdel-HadiChicago, IL1932846490
  3. Gerges Abdelsayed, MBBCH BAOMaywood, IL1942902606
  4. Hiroyuki AbeChicago, IL1275684243
  5. Nicole Abedrabbo, MDChicago, IL1629872395
  6. Rita Abejo, MDChicago, IL1477509537
  7. Matthew Abell, M.D.Springfield, IL1568726826
  8. Kinan Abou-Kassem, MDSpringfield, IL1609405026
  9. Srishti Abrol, MDChicago, IL1396240214
  10. Sharon Adam, M.D.Chicago, IL1619361763

Common questions

What is Warren Mark Brandwein, M.D.'s NPI number?

Warren Mark Brandwein, M.D.'s National Provider Identifier (NPI) is 1255537858, issued on Jun 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Warren Mark Brandwein, M.D. located?

The NPPES record lists a practice address at 7435 W Talcott Ave, Chicago, IL, 60631. Phone: (773) 774-8000. Providers update this record themselves, so call before visiting.

How can I verify Warren Mark Brandwein, M.D.'s license?

NPPES lists Illinois license number 036125775, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.