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Medical Oncology

Ewa M. Matczak

Sees patients in Springdale, AR · Arkansas

Summary

Ewa M. Matczak (Medical Oncology) is enrolled with Medicare at 1 practice location in Springdale, AR. NPI 1346478468. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ewa M. Matczak, 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

Medical OncologyPrimary specialty
May acceptAccepts Medicare assignment
35Years since medical school (graduated 1991)
State University Of New York Downstate Medical CenterMedical school
FemaleGender (as listed)

Quick answers

Where does Ewa M. Matczak see patients?
Medicare's clinician data lists 1 practice location in Springdale, AR. Call before your visit to confirm the address.
What is Ewa M. Matczak's specialty?
Medicare lists Medical Oncology as the primary specialty.
Does Ewa M. Matczak accept Medicare assignment?
Medicare's clinician data says Ewa M. Matczak may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Ewa M. Matczak's NPI number?
1346478468. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Ewa M. Matczak is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Medical Oncology doctors in Arkansas →

Other oncologists in Arkansas

Clinicians with the same Medicare primary specialty in Arkansas — not a recommendation.

All oncologists in Arkansas →

Clinician information

Medical schoolState University Of New York Downstate Medical Center
Graduation year1991
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1346478468
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians