Kenny R. Sizemore, MD
NPI 1346229861ActiveIndividual· Internal Medicine, Rheumatology· Knoxville, TN
Internal Medicine, Rheumatology (MD) in Knoxville, Tennessee, trained at University of Alabama School of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $3,390,774 for 5,641 claims, against $181,414 paid for services in 2024. Amgen Inc. was the largest of 20 companies reporting payments in 2025, $3,937 in all, mostly food and beverage.
Overview
| NPI | 1346229861 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 12, 2006 |
| Last updated in NPPES | Nov 1, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 23575 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Rheumatology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 781 |
|---|---|
| Services billed | 13,075 across 70 procedure codes |
| Paid by Medicare | $181,414 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,641 · 10,761 30-day fills |
|---|---|
| Patients | 931 |
| Total drug cost | $3,390,774 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Alabama School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Rheumatology |
Medical group
- Articularis Rheumatology Specialists of Tennessee PLLCKnoxville, TN · 5 clinicians
Hospital affiliation
- Methodist Medical Center of Oak RidgeOak Ridge, TN
Industry payments (Open Payments)
- 2025$3,937 · 206 payments from 20 companies
- 2024$4,788 · 270 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $901.73 | 35 |
| Abbvie Inc. | $774.56 | 56 |
| Janssen Biotech, Inc. | $379.38 | 14 |
| Ucb, Inc. | $302.07 | 15 |
| Pfizer Inc. | $286.94 | 17 |
What the 2025 payments were for
- Food and Beverage$3,882 · 205 payments
- Education$54.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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