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Emergency Medicine

Margaret B. Bialas, MD

Works at hospitals in Morris, IL · Illinois

Summary

Margaret B. Bialas, MD (Emergency Medicine) is listed by Medicare at 1 hospital in Morris, IL. NPI 1629001946. 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 Margaret B. Bialas, 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
26Years since medical school (graduated 2000)
Loyola University Of Chicago, Stritch School Of MedicineMedical school
FemaleGender (as listed)
Morris HospitalGroup practice

Quick answers

Which hospitals does Margaret B. Bialas work at?
Medicare's official clinician data lists Margaret B. Bialas at 1 hospital: Morris Hospital & Healthcare Centers. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Margaret B. Bialas see patients?
Medicare's clinician data lists 2 practice locations, including Morris, IL and Channahon, IL. Call before your visit to confirm the address.
What is Margaret B. Bialas's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Margaret B. Bialas accept Medicare assignment?
Yes. Medicare's clinician data says Margaret B. Bialas 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 Margaret B. Bialas?
(815) 942-0545, as listed in official Medicare / NPI Registry data.
What is Margaret B. Bialas's NPI number?
1629001946. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Margaret B. Bialas works

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

Group practices

Medicare enrollment lists Margaret B. Bialas as a member of this group (CMS data updated 2026-10-02).

  • Morris Hospital115 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Illinois →

Other emergency medicine doctors in Morris

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

All emergency medicine doctors in Morris →

Clinician information

CredentialMD
Medical schoolLoyola University Of Chicago, Stritch School Of Medicine
Graduation year2000
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629001946
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