Doctor profile · Federal record

Dr. John Simmons, M.D.

Diagnostic Radiology Physician · Neuroradiology Physician · Knoxville, TN

  • NPI 1881691228
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1112 E Weisgarber RD Ste 102
Knoxville, TN 379092647
(865) 558-9862
fax (865) 584-3478

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
October 21, 2022
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Tennessee #14768
Medicaid (2)
TN #3038137 · TN #3038138

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881691228. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$27
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Takeda Pharmaceuticals U.S.A., INC. 1 $26.62

By nature of payment

Food and Beverage
$27

Frequently asked questions

Auto-generated from federal data
What is Dr. John Simmons's medical specialty?
Dr. John Simmons practices Diagnostic Radiology Physician in Knoxville, TN.
Where does Dr. John Simmons practice?
Dr. John Simmons practices at 1112 E Weisgarber RD Ste 102, Knoxville, TN 379092647. Office phone: 8655589862.
What is Dr. John Simmons's NPI?
Dr. John Simmons's National Provider Identifier (NPI) is 1881691228, issued by NPPES.