NPPES file of Aug 9, 2026

Steven Schmitz, MD

Internal Medicine Physician · Downers Grove, IL

Steven Schmitz, MD is an internal medicine physician with a practice address in Downers Grove, Illinois, and NPI 1720056302, issued on Mar 9, 2006. Check the license (Illinois 036051475, 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
1720056302
Name
Steven Schmitz
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036051475 IL
Self-reported in NPPES; status is on the state search
Practice location
3743 Highland Ave, Downers Grove, IL 60515
Phone
(630) 435-9888
Enumerated
Mar 9, 2006
Record last updated
Jan 27, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
036051475 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 3743 Highland Ave

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

  1. Susan Badri, M.D.Internal Medicine Physician1912985722
  2. James Dan, MDGeriatric Medicine (Internal Medicine) Physician1841265964
  3. Natalie Dekoker, RN, CDERegistered Dietitian1679852446
  4. Kathleen Gruzalski, MDPediatrics Physician1396710356
  5. Altrovise Martin, PMHNPPsychiatric/Mental Health Nurse Practitioner1740972348
  6. Richard McPartlin, MDInternal Medicine Physician1700853140

Verify Steven Schmitz 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 036051475
    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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Steven Schmitz among 7,238 internal medicine physician records in Illinois

Steven Schmitz, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 61% newer
  • In a Medicare fileNo · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2011 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

33 internal medicine physician records list a practice address in Downers Grove

They are 33 of the 1,899 NPPES records with a practice address in Downers Grove, and 7,238 internal medicine physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Susan Badri, M.D.Downers Grove, IL 605151912985722
  2. Gigi Ip, MDDowners Grove, IL 605151376519777
  3. Robert King, MDDowners Grove, IL 605151104892041
  4. David Labotka, MDDowners Grove, IL 605151205803178
  5. Barbara Loeb, MDDowners Grove, IL 605151619976396
  6. Monica Martin, MDDowners Grove, IL 605151881693315
  7. Richard McPartlin, MDDowners Grove, IL 605151700853140
  8. Maziyar Mirhosseini, M.D.Downers Grove, IL 605151508870809

Common questions

What is Steven Schmitz, MD's NPI number?

Steven Schmitz, MD's National Provider Identifier (NPI) is 1720056302, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steven Schmitz, MD located?

The NPPES record lists a practice address at 3743 Highland Ave, Downers Grove, IL, 60515. Phone: (630) 435-9888. Providers update this record themselves, so call before visiting.

How can I verify Steven Schmitz, MD's license?

NPPES lists Illinois license number 036051475, 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.