Doctor profile · Federal record

Dr. Garret Grizzle, D.O.

Anesthesiology Physician (CMS: Anesthesiology) · Phoenix, AZ

  • NPI 1316324643
  • Accepts Medicare
  • MIPS 79.7 / 100 · 2023
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
645 E Missouri Ave Ste 300
Phoenix, AZ 850121351
(602) 528-6960
Mailing address
18330 N 79Th Ave Apt 1136
Glendale, AZ 853088360

Credentials & registration

NPPES · NUCC
NPI registered
May 2015 — 11 yrs on file
Profile last updated
June 15, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Arizona #007923

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316324643. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
24
Distinct HCPCS
1
Medicare allowed
$3,320
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 24 24 $138

In context: peer comparison

Among 166 peers in Phoenix Anesthesiology Physician, average services per provider: 34. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Chiesi USA, INC. 1 $14.86

By nature of payment

Food and Beverage
$15

Frequently asked questions

Auto-generated from federal data
What is Dr. Garret Grizzle's medical specialty?
Dr. Garret Grizzle practices Anesthesiology Physician in Phoenix, AZ.
Where does Dr. Garret Grizzle practice?
Dr. Garret Grizzle practices at 645 E Missouri Ave Ste 300, Phoenix, AZ 850121351. Office phone: 6025286960.
What is Dr. Garret Grizzle's NPI?
Dr. Garret Grizzle's National Provider Identifier (NPI) is 1316324643, issued by NPPES.
Does Dr. Garret Grizzle accept Medicare assignment?
Yes. Dr. Garret Grizzle accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Garret Grizzle 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.