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Dr. Nathan A. Estes III, M.D.

Cardiac Electrophysiology (Clinical Cardiac Electrophysiology Physician)

  • Medicare participating

At a glance

Years since graduation
49
In the NPI registry since
2006
Medicare patients seen, 2024
325

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

  • 1977Medical school: University of Cincinnati College of Medicine
  • 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
    PA license MD465138 · MA license 44422
  • Cardiovascular Disease Physician
    MA license 44422 · PA license MD465138

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
325
Services billed
619
Patients’ average age
73
Most frequent Medicare services, 2023
ServiceTimesPatients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only250218
Established patient office or other outpatient visit, 20-29 minutes8860
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report7359
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes7243
Evaluation of cardiac rhythm monitor system, remote up to 30 days6813
Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec6813
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes3636
Programming of dual lead pacemaker system1614
Programming of dual lead implantable defibrillator system1612
External shock to heart to regulate heart beat1614

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, 2 companies reported 10 payments worth $13,514 in total to this clinician.

By type
Compensation for services other than consulting (speaking, faculty)$6,500
Consulting Fee$5,375
Travel and Lodging$1,260
Food and Beverage$232
Grant$147

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
Oct 16, 2025Boston Scientific Corporation
Oct 16, 2025
Compensation for services other than consulting (speaking, faculty)
General - Therapies · General - Therapies_EP
$6,500
Oct 2, 2025Medtronic, Inc.
Oct 2, 2025
Consulting Fee$4,875
Aug 6, 2025Medtronic, Inc.
Aug 6, 2025
Travel and Lodging
travel to Minneapolis, MN · in-kind
$770
Sep 5, 2025Medtronic, Inc.
Sep 5, 2025
Consulting Fee$500
Sep 29, 2025Medtronic, Inc.
Sep 29, 2025
Travel and Lodging
travel to Minneapolis, MN · in-kind
$490
Jul 31, 2025Boston Scientific Corporation
Jul 31, 2025
Grant
FARAPULSE · FARAPULSE_EP
$147

Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.

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 Pennsylvania →

Other Cardiac Electrophysiology clinicians in Pittsburgh

Sources

NPI registry (CMS NPPES, November 2026; record last updated September 20, 2018), 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 1619992575. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.