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Emergency Medicine

Anna A. Krzywiec, DO

Works at hospitals in Winfield, IL · Illinois

Summary

Dr. Anna A. Krzywiec, DO is an emergency medicine doctor at 25 N Winfield Rd, Winfield, IL 60190. Phone: (630) 933-2640. Accepts Medicare assignment. NPI 1750085684. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 25 N Winfield Rd, Winfield, IL 60190 · Directions
  • Phone: (630) 933‑2640
  • Medicare: Accepts Medicare assignment
  • Hospital: Northwestern Medicine Central Dupage Hospital
  • Group practice: Central Dupage Emergency Physicians PC
  • Medical school: Midwestern University, Chicago College Of Osteopathic Med · graduated 2023 (3 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Anna A. Krzywiec, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Anna A. Krzywiec accept Medicare assignment?
Yes. Medicare's clinician data says Anna A. Krzywiec accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Anna A. Krzywiec's NPI number?
1750085684. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Anna A. Krzywiec works

Medicare's Facility Affiliation Data lists Anna A. Krzywiec at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Anna A. Krzywiec is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Anna A. Krzywiec as a member of this group (CMS data updated October 2, 2026).

  • 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 →

Other clinicians in Central Dupage Emergency Physicians PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year2023 (3 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1750085684
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians