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Diagnostic Radiology

Richard I. Gray, MD

Works at hospitals in Maryville, TN · Powell, TN · Athens, TN … · Tennessee

Summary

Richard I. Gray, MD (Diagnostic Radiology) is listed by Medicare at 4 hospitals in Maryville, TN, Powell, TN and Athens, TN and other places. NPI 1679796486. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Richard I. Gray, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
21Years since medical school (graduated 2005)
University Of Tennessee, Hsc, College Of MedicineMedical school
MaleGender (as listed)
Association of University Radiologists, PCGroup practice

Quick answers

Which hospitals does Richard I. Gray work at?
Medicare's official clinician data lists Richard I. Gray at 4 hospitals: Blount Memorial Hospital, Physicians Regional Medical Center, Starr Regional Medical Center Athens and University Health System, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Richard I. Gray see patients?
Medicare's clinician data lists 1 practice location in Knoxville, TN. Call before your visit to confirm the address.
What is Richard I. Gray's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Richard I. Gray accept Medicare assignment?
Yes. Medicare's clinician data says Richard I. Gray accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Richard I. Gray?
(865) 305-9661, as listed in official Medicare / NPI Registry data.
What is Richard I. Gray's NPI number?
1679796486. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Richard I. Gray works

Medicare's Facility Affiliation Data lists Richard I. Gray at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Richard I. Gray is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Richard I. Gray as a member of this group (CMS data updated 2026-10-02).

  • Association of University Radiologists, PC37 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Tennessee →

Other radiologists in Knoxville

Clinicians with the same Medicare primary specialty in Knoxville, TN — not a recommendation.

All radiologists in Knoxville →

Clinician information

CredentialMD
Medical schoolUniversity Of Tennessee, Hsc, College Of Medicine
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679796486
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians