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Dr. Blake A. Martz, DO

Emergency Medicine (Emergency Medicine Physician)

  • Medicare participating

At a glance

Years since graduation
5
In the NPI registry since
2021
Medicare patients seen, 2024
63

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

  • 2021Medical school: Edward Via Col of Osteo Medicine-Carolinas Campus
  • 2021Registered 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

  • Emergency Medicine Physician primary
    FL license 19896

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

Map: Emergency Medicine 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
63
Services billed
95
Patients’ average age
73

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

Most prescribed drugs, Medicare Part D 2024
DrugPrescriptions
Cephalexin
Other prescribers in Jacksonville, FL
11

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

Other Emergency Medicine clinicians in Jacksonville

Sources

NPI registry (CMS NPPES, November 2026; record last updated June 30, 2024), 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 Information is self-reported or billed data and may be out of date; call before visiting.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 1417533902. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.