Doctor profile · Federal record

Dr. Courtney Grzybowski, DO

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medical Services (Emergency Medicine) Physician · Phoenix, AZ

  • NPI 1740842798
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1111 E McDowell RD
Phoenix, AZ 850062612
(480) 285-8022

Credentials & registration

NPPES · NUCC
NPI registered
June 2019 — 7 yrs on file
Profile last updated
May 15, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Arizona #009573

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740842798. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
159
Distinct HCPCS
2
Medicare allowed
$24,956
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 118 116 $171
99284 Emergency department visit with moderate level of medical decision making 41 41 $117

In context: peer comparison

Among 114 peers in Phoenix Emergency Medicine Physician, average services per provider: 105. This provider delivers 1.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
23
Patients
23
Total drug cost
$105
Drug Type Claims Patients Total cost
Ondansetron Hcl Generic 12 12 $50
Ciprofloxacin Hcl Generic 11 11 $55

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Courtney Grzybowski's medical specialty?
Dr. Courtney Grzybowski practices Emergency Medicine Physician in Phoenix, AZ.
Where does Dr. Courtney Grzybowski practice?
Dr. Courtney Grzybowski practices at 1111 E McDowell RD, Phoenix, AZ 850062612. Office phone: 4802858022.
What is Dr. Courtney Grzybowski's NPI?
Dr. Courtney Grzybowski's National Provider Identifier (NPI) is 1740842798, issued by NPPES.
Does Dr. Courtney Grzybowski accept Medicare assignment?
Yes. Dr. Courtney Grzybowski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Courtney Grzybowski commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.