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Dr. Walter K. Clair, MD

Cardiac Electrophysiology (Clinical Cardiac Electrophysiology Physician)

  • Medicare participating

At a glance

Medical school
Harvard Medical School (1981)
Years since graduation
45
In the NPI registry since
2006
Medicare patients seen, 2024
189

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

  • 1981Medical school: Harvard Medical School
  • 2006Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier

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
    TN license 24283
  • Cardiovascular Disease Physician
    TN license 24283

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
189
Services billed
660
Patients’ average age
77
Most frequent Medicare services, 2023
ServiceTimesPatients
Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days27586
Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days21062
Established patient office or other outpatient visit, 10-19 minutes146130
Programming of dual lead pacemaker system5650
Programming of multiple lead implantable defibrillator system1513
Programming of single lead implantable defibrillator system1412

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.

Other Cardiac Electrophysiology clinicians in Nashville

Sources

NPI registry (CMS NPPES, November 2026; record last updated June 3, 2026), 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 1093818981. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.