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Dr. Nathaniel G. Gray, M.D.

Radiology (Diagnostic Radiology Physician)

  • Medicare participating

At a glance

Years since graduation
12
In the NPI registry since
2014
Medicare patients seen, 2024
2,142

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

  • 2014Medical school: University of South Carolina School of Medicine
  • 2014Registered 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

  • Diagnostic Radiology Physician primary
    SC license 36985
  • Internal Medicine Physician
    SC license LL36985

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
2,142
Services billed
4,093
Patients’ average age
74
Most frequent Medicare services, 2023
ServiceTimesPatients
X-ray of chest, 1 view458437
Mri scan of lower spinal canal without contrast378374
Screening mammography328328
Screening 3d breast mammography256256
Mri scan of leg joint without contrast152149
Mri scan of arm joint without contrast151148
Mri scan of upper spinal canal without contrast143143
Ct scan head or brain without contrast135135
Ct scan of abdomen and pelvis with contrast120118
Ct scan of chest without contrast112111

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.

Other Radiology clinicians in Columbia

Sources

NPI registry (CMS NPPES, November 2026; record last updated April 6, 2020), 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 Information is self-reported or billed data and may be out of date; call before visiting.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 1760895676. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.