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Dr. Jonathan Holtz

Heart Failure & Transplant Cardiology (Advanced Heart Failure and Transplant Cardiology Physician)

  • Medicare participating

At a glance

Years since graduation
18
In the NPI registry since
2009
Medicare patients seen, 2024
599

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. What an NPI is

Education and training

  • 2008Medical school: Georgetown University School of Medicine
  • 2009Registered with an NPI (national billing number; not a license date)

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

  • Advanced Heart Failure and Transplant Cardiology Physician primary
    PA license MD454775

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

Map: Heart Failure & Transplant Cardiology 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
599
Services billed
2,726
Patients’ average age
74
Most frequent Medicare services, 2023
ServiceTimesPatients
Anticoagulant management of patient taking warfarin60621
Established patient office or other outpatient visit, 30-39 minutes530357
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function299289
Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days15979
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes15576
Insertion of needle into vein for collection of blood sample12633
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician9292
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only9283
Nuclear medicine studies of heart muscle at rest and with stress and spect8989
Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days8747

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, 10 companies reported 60 payments worth $1,063 in total to this clinician.

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 →

Sources

NPI registry (CMS NPPES, November 2026; record last updated September 9, 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 1104151174. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.