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Dr. Jon C. Markley, MD

Physical Medicine & Rehabilitation (PM&R) (Physical Medicine & Rehabilitation Physician)

  • Medicare participating

At a glance

Years since graduation
34
In the NPI registry since
2006
Medicare patients seen, 2024
129

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

  • 1992Medical school: Michigan State University College of Human 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

  • Physical Medicine & Rehabilitation Physician primary
    IN license 01048320A · MI license 4301059960

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

Map: Physical Medicine & Rehabilitation (PM&R) 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
129
Services billed
349
Patients’ average age
72
Most frequent Medicare services, 2023
ServiceTimesPatients
Needle measurement of electrical activity in arm or leg muscles, complete study12186
Nerve conduction, 5-6 studies5351
Established patient office or other outpatient visit, 10-19 minutes3927
Nerve conduction, 3-4 studies1818
Nerve conduction, 7-8 studies1111

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
Gabapentin
Other prescribers in South Bend, IN
25
Hydrocodone-Acetaminophen (hydrocodone/acetaminophen)
Other prescribers in South Bend, IN
22

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

Other Physical Medicine & Rehabilitation (PM&R) clinicians in South Bend

Sources

NPI registry (CMS NPPES, November 2026; record last updated September 5, 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 1841399714. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.