Doctor profile · Federal record

Dr. Gregory Barnett, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Springfield, IL

  • NPI 1669460846
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 East Carpenter Street, Room 2K64
Springfield, IL 627690001
(217) 525-5643
fax (217) 544-2521

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
December 29, 2021
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Illinois #036091297

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669460846. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$365
Transactions
11
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Mindray Ds USA, INC. 3 $204.14
Takeda Pharmaceuticals U.S.A., INC. 3 $65.99
Merck Sharp & Dohme LLC 2 $38.65
Edwards Lifesciences Corporation 2 $38.43
Chiesi USA, INC. 1 $17.41

By nature of payment

Food and Beverage
$365

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Barnett's medical specialty?
Dr. Gregory Barnett practices Anesthesiology Physician in Springfield, IL.
Where does Dr. Gregory Barnett practice?
Dr. Gregory Barnett practices at 800 East Carpenter Street, Springfield, IL 627690001. Office phone: 2175255643.
What is Dr. Gregory Barnett's NPI?
Dr. Gregory Barnett's National Provider Identifier (NPI) is 1669460846, issued by NPPES.
Does Dr. Gregory Barnett accept Medicare assignment?
Yes. Dr. Gregory Barnett accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.