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Dr. Frederick M. Mclean, MD

Radiology (Diagnostic Radiology Physician)

  • Medicare participating

At a glance

Years since graduation
37
In the NPI registry since
2006
Medicare patients seen, 2024
1,803

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

  • 1989Medical school: University of South Carolina School 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

  • Diagnostic Radiology Physician primary
    TN license MD26860

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

Map: Radiology 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
1,803
Services billed
2,604
Patients’ average age
75
Most frequent Medicare services, 2023
ServiceTimesPatients
Ct scan head or brain without contrast285276
X-ray of chest, 1 view212181
Screening 3d breast mammography132132
Screening mammography131131
Mri scan of brain without contrast124124
Mri scan of brain before and after contrast104101
Dxa bone density measurement of hip, pelvis, spine9393
Mri scan of lower spinal canal without contrast8484
X-ray of chest, 2 views8279
Ct scan of upper spine without contrast8180

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.

Payments from drug and device companies

In 2025, 1 companies reported 1 payments worth $110 in total to this clinician.

By type
Food and Beverage$110

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 Tennessee →

Other Radiology clinicians in Knoxville

Sources

NPI registry (CMS NPPES, November 2026; record last updated July 27, 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 1316927908. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.