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Cardiac Electrophysiology

Andrew J. Brenyo, MD

Works at hospitals in Rock Hill, SC · South Carolina

Summary

Dr. Andrew J. Brenyo, MD is a cardiac electrophysiologist at 196 Cardiology Dr, Rock Hill, SC 29732. Phone: (803) 324-5135. Accepts Medicare assignment. In 2024, Andrew J. Brenyo had 1,112 Original Medicare patients and 3,865 services. NPI 1760667737. 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: 196 Cardiology Dr, Rock Hill, SC 29732 · Directions
  • Phone: (803) 324‑5135
  • Medicare: Accepts Medicare assignment
  • Hospital: Rock Hill Hospital-Piedmont Medical Center
  • Group practice: Carolina Cardiology Associates LLC
  • Medical school: State University Of New York At Buffalo School Of Medicine · graduated 2006 (20 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Andrew J. Brenyo, 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 Andrew J. Brenyo accept Medicare assignment?
Yes. Medicare's clinician data says Andrew J. Brenyo 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 Andrew J. Brenyo see?
In 2024, CMS data shows 1,112 Original Medicare patients and 3,865 services for Andrew J. Brenyo. This counts Original Medicare only and measures volume, not quality.
What is Andrew J. Brenyo's NPI number?
1760667737. 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 Andrew J. Brenyo, 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 patients1,112
Services billed to Medicare3,865
Different services or procedures73
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)566 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)306 services
  3. Evaluation of cardiac rhythm monitor system, remote up to 30 days (93298)286 services
  4. Heart rhythm recording, analysis, report, review, and interpretation of continous external ekg over more than 48 hours up to 7 days (93241)263 services
  5. Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional (93228)235 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%
  • Atrial fibrillation53%
  • Ischemic heart disease50%
  • Arthritis43%
  • Diabetes37%

Hospitals where Andrew J. Brenyo works

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

Group practices

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

  • Carolina Cardiology Associates LLC16 clinicians in the group

Specialties

Find other Cardiac Electrophysiology doctors in South Carolina →

Other cardiac electrophysiologists in South Carolina

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

All cardiac electrophysiologists in South Carolina →

Other clinicians in Carolina Cardiology Associates LLC

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

Clinician information

CredentialMD
Medical schoolState University Of New York At Buffalo School Of Medicine
Graduation year2006 (20 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1760667737
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