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Rheumatology

Kenny Sizemore, MD

Works at hospitals in Oak Ridge, TN · Tennessee

Summary

Dr. Kenny Sizemore, MD is a rheumatologist at 8975 Executive Park Dr, Suite 200, Knoxville, TN 37923. Phone: (865) 896-3377. Accepts Medicare assignment. In 2024, Kenny Sizemore had 781 Original Medicare patients and 13,075 services. NPI 1346229861. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Rheumatologist (Medicare lists Rheumatology)
  • Address: 8975 Executive Park Dr, Suite 200, Knoxville, TN 37923 · Directions
  • Phone: (865) 896‑3377
  • Medicare: Accepts Medicare assignment
  • Hospital: Methodist Medical Center of Oak Ridge
  • Group practice: Articularis Rheumatology Specialists of Tennessee PLLC
  • Medical school: University Of Alabama School Of Medicine · graduated 1986 (40 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Kenny Sizemore, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Kenny Sizemore accept Medicare assignment?
Yes. Medicare's clinician data says Kenny Sizemore accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Kenny Sizemore see?
In 2024, CMS data shows 781 Original Medicare patients and 13,075 services for Kenny Sizemore. This counts Original Medicare only and measures volume, not quality.
What is Kenny Sizemore's NPI number?
1346229861. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Kenny Sizemore, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients781
Services billed to Medicare13,075
Different services or procedures70
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Injection, methylprednisolone acetate, 1 mg (J1010)2,220 services
  2. Insertion of needle into vein for collection of blood sample (36415)1,093 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,009 services
  4. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)865 services
  5. Measurement c-reactive protein for detection of infection or inflammation (86140)700 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • Arthritis75%
  • High cholesterol74%
  • High blood pressure72%
  • Depression31%
  • Anxiety31%
  • Ischemic heart disease25%

Hospitals where Kenny Sizemore works

Medicare's Facility Affiliation Data lists Kenny Sizemore at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Kenny Sizemore is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kenny Sizemore as a member of this group (CMS data updated October 2, 2026).

  • Articularis Rheumatology Specialists of Tennessee PLLC5 clinicians in the group

Specialties

Find other Rheumatology doctors in Tennessee →

Other rheumatologists in Knoxville

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

All rheumatologists in Knoxville →

Other clinicians in Articularis Rheumatology Specialists of Tennessee PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Alabama School Of Medicine
Graduation year1986 (40 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1346229861
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians