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Emergency Medicine

Michael R. Tednes Jr., MD

Works at hospitals in Winfield, IL · Dixon, IL · Illinois

Summary

Michael R. Tednes Jr., MD (Emergency Medicine) is listed by Medicare at 2 hospitals in Winfield, IL and Dixon, IL. NPI 1437640984. 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 Michael R. Tednes Jr., 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
8Years since medical school (graduated 2018)
Medical College Of WisconsinMedical school
MaleGender (as listed)
OSF Multi-Specialty GroupGroup practice (+1 more)

Quick answers

Which hospitals does Michael R. Tednes Jr. work at?
Medicare's official clinician data lists Michael R. Tednes Jr. at 2 hospitals: Northwestern Medicine Central Dupage Hospital and OSF Saint Katharine Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael R. Tednes Jr. see patients?
Medicare's clinician data lists 2 practice locations, including Winfield, IL and Dixon, IL. Call before your visit to confirm the address.
What is Michael R. Tednes Jr.'s specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Michael R. Tednes Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Michael R. Tednes Jr. 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 Michael R. Tednes Jr.?
(630) 933-2640, as listed in official Medicare / NPI Registry data.
What is Michael R. Tednes Jr.'s NPI number?
1437640984. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael R. Tednes Jr. works

Medicare's Facility Affiliation Data lists Michael R. Tednes Jr. 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 Michael R. Tednes Jr. is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael R. Tednes Jr. as a member of these groups (CMS data updated 2026-10-02).

  • OSF Multi-Specialty Group2,114 clinicians in the group
  • Central Dupage Emergency Physicians PC38 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Illinois →

Other emergency medicine doctors in Winfield

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

All emergency medicine doctors in Winfield →

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437640984
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