Doctor profile · Federal record

Dr. Garth Keizer, CRNA

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

  • NPI 1588605323
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
501 20Th St, Suite 606
Knoxville, TN 379161809
(865) 546-8040
fax (865) 541-2787

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
June 25, 2010
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Tennessee #9207
Medicaid
TN #3606240

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588605323. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
18
Distinct HCPCS
1
Medicare allowed
$2,417
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 18 17 $134

In context: peer comparison

Among 110 peers in this city , average services per provider: 33. This provider delivers 0.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$109
Transactions
4
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 4 $108.79

By nature of payment

Food and Beverage
$109

Frequently asked questions

Auto-generated from federal data
What is Dr. Garth Keizer's medical specialty?
Dr. Garth Keizer practices Certified Registered Nurse Anesthetist in Knoxville, TN.
Where does Dr. Garth Keizer practice?
Dr. Garth Keizer practices at 501 20Th St, Knoxville, TN 379161809. Office phone: 8655468040.
What is Dr. Garth Keizer's NPI?
Dr. Garth Keizer's National Provider Identifier (NPI) is 1588605323, issued by NPPES.
Does Dr. Garth Keizer accept Medicare assignment?
Yes. Dr. Garth Keizer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Garth Keizer commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.