Doctor profile · Federal record

Dr. Gary Keen, CRNA

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

  • NPI 1821328097
  • Accepts Medicare
  • MIPS 80.3 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
110 29Th Ave N, Ste 202
Nashville, TN 372031401
(615) 327-4304

Credentials & registration

NPPES · NUCC
NPI registered
January 2010 — 16 yrs on file
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Tennessee #82933

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821328097. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
67
Distinct HCPCS
3
Medicare allowed
$5,753
HCPCS Description Services Patients Avg allowed
00145 Anesthesia for retinal surgery 29 28 $106
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 26 26 $68
01830 Anesthesia for other procedure on forearm, wrist, or hand bones 12 12 $76

In context: peer comparison

Among 301 peers in this city , average services per provider: 28. This provider delivers 2.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Gary Keen's medical specialty?
Dr. Gary Keen practices Certified Registered Nurse Anesthetist in Nashville, TN.
Where does Dr. Gary Keen practice?
Dr. Gary Keen practices at 110 29Th Ave N, Nashville, TN 372031401. Office phone: 6153274304.
What is Dr. Gary Keen's NPI?
Dr. Gary Keen's National Provider Identifier (NPI) is 1821328097, issued by NPPES.
Does Dr. Gary Keen accept Medicare assignment?
Yes. Dr. Gary Keen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Keen commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for retinal surgery (HCPCS 00145); Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (HCPCS 01810); Anesthesia for other procedure on forearm, wrist, or hand bones (HCPCS 01830). Source: CMS Medicare Physician & Other Practitioners file.