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Cardiovascular Disease (Cardiology)

John J. Szawaluk, MD

Works at hospitals in Cincinnati, OH · Hillsboro, OH · Wilmington, OH · Ohio

Summary

Dr. John J. Szawaluk, MD is a cardiologist at 11140 Montgomery Rd, Cincinnati, OH 45249. Phone: (513) 792-7800. Accepts Medicare assignment. In 2024, John J. Szawaluk had 2,070 Original Medicare patients and 3,483 services. NPI 1578527495. 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: Cardiologist (Medicare lists Cardiovascular Disease (Cardiology))
  • Address: 11140 Montgomery Rd, Cincinnati, OH 45249 · Directions (6 more locations)
  • Phone: (513) 792‑7800
  • Medicare: Accepts Medicare assignment
  • Hospitals: Bethesda North, Christ Hospital, Highland District Hospital and 2 more
  • Group practice: The Christ Hospital Cardiovascular Associates LLC
  • Medical school: Georgetown University School Of Medicine · graduated 1990 (36 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about John J. Szawaluk, 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 John J. Szawaluk accept Medicare assignment?
Yes. Medicare's clinician data says John J. Szawaluk 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 John J. Szawaluk see?
In 2024, CMS data shows 2,070 Original Medicare patients and 3,483 services for John J. Szawaluk. This counts Original Medicare only and measures volume, not quality.
What is John J. Szawaluk's NPI number?
1578527495. 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 John J. Szawaluk, 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 patients2,070
Services billed to Medicare3,483
Different services or procedures36
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)655 services
  2. Ultrasound of both sides of head and neck blood flow (93880)587 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)498 services
  4. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)316 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)222 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).

  • High blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease62%
  • Arthritis55%
  • Atrial fibrillation37%
  • Diabetes35%

Hospitals where John J. Szawaluk works

Medicare's Facility Affiliation Data lists John J. Szawaluk 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.

  • Bethesda NorthCincinnati, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360179
  • Christ HospitalCincinnati, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 360163
  • Highland District HospitalHillsboro, OH · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 361332
  • Mercy Health - West HospitalCincinnati, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360234
  • TriHealth Clinton Regional HospitalWilmington, OH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 360175

Practice locations

Addresses where John J. Szawaluk is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists John J. Szawaluk as a member of this group (CMS data updated October 2, 2026).

  • The Christ Hospital Cardiovascular Associates LLC152 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Ohio →

Other cardiologists in Cincinnati

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

All cardiologists in Cincinnati →

Other clinicians in The Christ Hospital Cardiovascular Associates LLC

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

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578527495
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