Doctor profile · Federal record

Dr. Gregory Downey, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Kingsport, TN

  • NPI 1417947227
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1908 Granby RD
Kingsport, TN 376651712
(423) 915-9943
Mailing address
Po Box 896138
Charlotte, NC 282896138

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
September 22, 2022
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Tennessee #RN62978
Medicaid
TN #36240241

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417947227. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
501
Distinct HCPCS
4
Medicare allowed
$57,241
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 234 232 $115
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 198 196 $120
00812 Anesthesia for exam of colon using an endoscope 57 57 $95
00812 Anesthesia for exam of colon using an endoscope 12 12 $90

In context: peer comparison

Among 19 peers in this city , average services per provider: 44. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$116
Transactions
6
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Takeda Pharmaceuticals U.S.A., Inc. 3 $46.11
Regeneron Healthcare Solutions, Inc. 1 $26.97
Madrigal Pharmaceuticals 1 $25.17
Intercept Pharmaceuticals, Inc. 1 $17.31

By nature of payment

Food and Beverage
$116

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Downey's medical specialty?
Dr. Gregory Downey practices Certified Registered Nurse Anesthetist in Kingsport, TN.
Where does Dr. Gregory Downey practice?
Dr. Gregory Downey practices at 1908 Granby RD, Kingsport, TN 376651712. Office phone: 4239159943.
What is Dr. Gregory Downey's NPI?
Dr. Gregory Downey's National Provider Identifier (NPI) is 1417947227, issued by NPPES.
Does Dr. Gregory Downey accept Medicare assignment?
Yes. Dr. Gregory Downey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Downey commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for exam of colon using an endoscope (HCPCS 00812). Source: CMS Medicare Physician & Other Practitioners file.