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Hematology/Oncology

Ewa Mrozek, MD

Works at hospitals in Columbus, OH · London, OH · Ohio

Summary

Ewa Mrozek, MD (Hematology/Oncology) is listed by Medicare at 3 hospitals in Columbus, OH and London, OH. NPI 1972518314. 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 Ewa Mrozek, 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

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
43Years since medical school (graduated 1983)
FemaleGender (as listed)
OSU Internal Medicine LLCGroup practice (+1 more)

Quick answers

Which hospitals does Ewa Mrozek work at?
Medicare's official clinician data lists Ewa Mrozek at 3 hospitals: Doctors Hospital, Madison Health and Ohio State University State Health System. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ewa Mrozek see patients?
Medicare's clinician data lists 4 practice locations, including Columbus, OH, London, OH and Dublin, OH. Call before your visit to confirm the address.
What is Ewa Mrozek's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
Does Ewa Mrozek accept Medicare assignment?
Yes. Medicare's clinician data says Ewa Mrozek 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 Ewa Mrozek?
(614) 293-3890, as listed in official Medicare / NPI Registry data.
What is Ewa Mrozek's NPI number?
1972518314. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ewa Mrozek works

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

Group practices

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

  • OSU Internal Medicine LLC1,161 clinicians in the group
  • Osup Community Outreach LLC151 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Ohio →

Other hematologist-oncologists in Columbus

Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.

All hematologist-oncologists in Columbus →

Clinician information

CredentialMD
Graduation year1983
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972518314
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