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Cardiac Electrophysiology

Naomi J. Kertesz, MD

Works at hospitals in Columbus, OH · Ohio

Summary

Dr. Naomi J. Kertesz, MD is a cardiac electrophysiologist at 11100 Euclid Ave, Cleveland, OH 44106. Phone: (216) 844-1000. Accepts Medicare assignment. In 2024, Naomi J. Kertesz had 27 Original Medicare patients and 32 services. NPI 1508946864. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Cardiac electrophysiologist (Medicare lists Cardiac Electrophysiology)
  • Address: 11100 Euclid Ave, Cleveland, OH 44106 · Directions (1 more location)
  • Phone: (216) 844‑1000
  • Medicare: Accepts Medicare assignment
  • Hospital: Nationwide Children's Hospital
  • Group practice: University Hospitals Medical Group Inc (+2 more)
  • Medical school: Northwestern University Feinberg Medical School · graduated 1989 (37 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Naomi J. Kertesz, 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 Naomi J. Kertesz accept Medicare assignment?
Yes. Medicare's clinician data says Naomi J. Kertesz 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.
How many Medicare patients does Naomi J. Kertesz see?
In 2024, CMS data shows 27 Original Medicare patients and 32 services for Naomi J. Kertesz. This counts Original Medicare only and measures volume, not quality.
What is Naomi J. Kertesz's NPI number?
1508946864. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Naomi J. Kertesz, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients27
Services billed to Medicare32
Different services or procedures3
Participating Medicare providerYes
Average age of these patients31

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)26 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • Anxiety41%

Hospitals where Naomi J. Kertesz works

Medicare's Facility Affiliation Data lists Naomi J. Kertesz 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 Naomi J. Kertesz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Naomi J. Kertesz as a member of these groups (CMS data updated October 2, 2026).

  • University Hospitals Medical Group Inc2,294 clinicians in the group
  • Pediatric Academic Association, Inc.260 clinicians in the group
  • Nationwide Children's Hospital142 clinicians in the group

Specialties

Find other Cardiac Electrophysiology doctors in Ohio →

Other cardiac electrophysiologists in Cleveland

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

All cardiac electrophysiologists in Cleveland →

Other clinicians in University Hospitals Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolNorthwestern University Feinberg Medical School
Graduation year1989 (37 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1508946864
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians