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Dr. John R. Bailey, MD

Cardiac Electrophysiology (Clinical Cardiac Electrophysiology Physician)

  • Medicare participating

At a glance

Years since graduation
37
In the NPI registry since
2005
Medicare patients seen, 2024
1,059

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is

Education and training

  • 2005Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier

Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Clinical Cardiac Electrophysiology Physician primary
    NC license 35578
  • Internal Medicine Physician
    NC license 35578
  • Interventional Cardiology Physician
    NC license 35578

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Cardiac Electrophysiology per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
1,059
Services billed
3,330
Patients’ average age
79
Most frequent Medicare services, 2023
ServiceTimesPatients
Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days1,292470
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only711452
Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days574203
Programming of dual lead pacemaker system200128
Evaluation of cardiac rhythm monitor system, remote up to 30 days14727
Established patient office or other outpatient visit, 30-39 minutes119108
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes8480
New patient office or other outpatient visit, 45-59 minutes7777
Programming of dual lead implantable defibrillator system5847
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes5633

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Medicare prescriptions

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 5 companies reported 18 payments worth $356 in total to this clinician.

By type
Food and Beverage$356

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in North Carolina →

Industry-funded research

Named as a principal investigator on 1 industry-funded study in 2025, from 1 company. The companies reported $7,335 in research payments for these studies, mostly to the institutions running them.

  • ZOLL Respicardia, Inc. Registry Study
    Zoll Respicardia, Inc.

From CMS Open Payments research payments, where companies name up to five principal investigators per payment. Research payments usually go to hospitals, universities and research sites, not to the investigator personally. A payment is not evidence of wrongdoing.

Other Cardiac Electrophysiology clinicians in Charlotte

Sources

NPI registry (CMS NPPES, November 2026; record last updated July 21, 2023), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1891793121. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.