Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Emergency Medicine

Thomas K. Grudowski, DO

Works at hospitals in Downers Grove, IL · Illinois

Summary

Thomas K. Grudowski, DO (Emergency Medicine) is listed by Medicare at 1 hospital in Downers Grove, IL. NPI 1508326745. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Thomas K. Grudowski, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
Midwestern University, Chicago College Of Osteopathic MedMedical school
MaleGender (as listed)
Advocate Health and Hospitals CorporationGroup practice (+2 more)

Quick answers

Which hospitals does Thomas K. Grudowski work at?
Medicare's official clinician data lists Thomas K. Grudowski at 1 hospital: Advocate Good Samaritan Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Thomas K. Grudowski see patients?
Medicare's clinician data lists 4 practice locations, including Lemont, IL, Downers Grove, IL and Oak Lawn, IL. Call before your visit to confirm the address.
What is Thomas K. Grudowski's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Thomas K. Grudowski accept Medicare assignment?
Yes. Medicare's clinician data says Thomas K. Grudowski accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Thomas K. Grudowski?
(630) 243-7100, as listed in official Medicare / NPI Registry data.
What is Thomas K. Grudowski's NPI number?
1508326745. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Thomas K. Grudowski works

Medicare's Facility Affiliation Data lists Thomas K. Grudowski at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Thomas K. Grudowski is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Thomas K. Grudowski as a member of these groups (CMS data updated 2026-10-02).

  • Advocate Health and Hospitals Corporation3,118 clinicians in the group
  • Dupage Emergency Physicians Convenient Care LLC29 clinicians in the group
  • Dupage Emergency Physicians Ltd26 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Illinois →

Other emergency medicine doctors in Lemont

Clinicians with the same Medicare primary specialty in Lemont, IL — not a recommendation.

All emergency medicine doctors in Lemont →

Clinician information

CredentialDO
Medical schoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1508326745
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians