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Emergency Medicine

Katherine Marciniec

Works at hospitals in Bettendorf, IA · Bolingbrook, IL · Hinsdale, IL … · Iowa, Illinois

Summary

Katherine Marciniec (Emergency Medicine) is listed by Medicare at 5 hospitals in Bettendorf, IA, Bolingbrook, IL and Hinsdale, IL and other places. NPI 1699404707. 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 Katherine Marciniec, 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
4Years since medical school (graduated 2022)
Des Moines University Of Osteopathic Medicine And Health SciencesMedical school
FemaleGender (as listed)
Trinity Medical CenterGroup practice (+2 more)

Quick answers

Which hospitals does Katherine Marciniec work at?
Medicare's official clinician data lists Katherine Marciniec at 5 hospitals: Trinity - Bettendorf, UChicago Medicine AdventHealth Bolingbrook, UChicago Medicine AdventHealth Hinsdale, UChicago Medicine AdventHealth La Grange and West Suburban Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Katherine Marciniec see patients?
Medicare's clinician data lists 5 practice locations, including Hinsdale, IL, Chicago, IL and Oak Park, IL. Call before your visit to confirm the address.
What is Katherine Marciniec's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Katherine Marciniec accept Medicare assignment?
Yes. Medicare's clinician data says Katherine Marciniec 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 Katherine Marciniec?
(630) 856-9000, as listed in official Medicare / NPI Registry data.
What is Katherine Marciniec's NPI number?
1699404707. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Katherine Marciniec works

Medicare's Facility Affiliation Data lists Katherine Marciniec 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 Katherine Marciniec is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Katherine Marciniec as a member of these groups (CMS data updated 2026-10-02).

  • Trinity Medical Center99 clinicians in the group
  • Iems Physician Services PLLC66 clinicians in the group
  • Illinois Emergency Medicine Specialists LLC42 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Illinois →

Other emergency medicine doctors in Hinsdale

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

All emergency medicine doctors in Hinsdale →

Clinician information

Medical schoolDes Moines University Of Osteopathic Medicine And Health Sciences
Graduation year2022
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699404707
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