NPPES file of Aug 9, 2026

Michael S. Popper, M.D.

Internal Medicine Physician · Elmhurst, IL

Michael S. Popper, M.D. is an internal medicine physician with a practice address in Elmhurst, Illinois, and NPI 1346298684, issued on May 5, 2006. Check the license (Illinois 036-045774, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1346298684
Name
Michael S. Popper
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036-045774 IL
Self-reported in NPPES; status is on the state search
Practice location
133 E Brush Hill RD Ste 401, Elmhurst, IL 60126
Phone
(630) 932-2020
Enumerated
May 5, 2006
Record last updated
Jan 17, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(630) 932-4637
Medicaid ID
036-045774 IL
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 133 E Brush Hill RD Ste 401

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

  1. Paulette Feiereisel, CNPAdult Health Nurse Practitioner1376610477
  2. Patrick O'Meara, M.D.Internal Medicine Physician1437127891
  3. Maryam Sandoval, M.D.Internal Medicine Physician1831140490
  4. Tracie Wilcox, M.D.Internal Medicine Physician1790995009

Verify Michael S. Popper 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 036-045774
    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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50 internal medicine physician records list a practice address in Elmhurst

They are 50 of the 1,540 NPPES records with a practice address in Elmhurst, and 7,238 internal medicine physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other internal medicine physician records in Illinois

  1. Peter Abadeer, D.O.Bloomington, IL1760469522
  2. Motaz Abas, MDPeoria, IL1215510201
  3. Elias Abate, M.D.Chicago, IL1336712199
  4. Maliha Abbas, D.O.Chicago, IL1174963920
  5. Zareena Abbas, MDChicago, IL1427078872
  6. Abu Abbasi, MDChicago, IL1083243877
  7. Ayesha Abbasi, MDChicago, IL1376216705
  8. Khalda Abbasi, MDNaperville, IL1487705240
  9. Elmer Abbo, MDBurr Ridge, IL1710048541
  10. Paul Abbo, M.D.River Forest, IL1083693378

Common questions

What is Michael S. Popper, M.D.'s NPI number?

Michael S. Popper, M.D.'s National Provider Identifier (NPI) is 1346298684, issued on May 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael S. Popper, M.D. located?

The NPPES record lists a practice address at 133 E Brush Hill RD Ste 401, Elmhurst, IL, 60126. Phone: (630) 932-2020. Providers update this record themselves, so call before visiting.

How can I verify Michael S. Popper, M.D.'s license?

NPPES lists Illinois license number 036-045774, 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. An NPI identifies who bills; it is not a license.

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.