Doctor profile · Federal record

Dr. Arezou Aryai, DO

Emergency Medicine Physician (CMS: Emergency Medicine) · Colton, CA

  • NPI 1508032442
  • Accepts Medicare
  • MIPS 86.3 / 100 · 2023
  • 22 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 N Pepper Ave, Arrowhead Regional Medical Center, Emergency MED Dept
Colton, CA 923241801
(909) 580-1000

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #20A9438

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508032442. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
34
Distinct HCPCS
2
Medicare allowed
$3,354
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 18 18 $179
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 16 16 $8

In context: peer comparison

Among 38 peers in Colton Emergency Medicine Physician, average services per provider: 91. This provider delivers 0.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
45
Patients
45
Total drug cost
$465
Drug Type Claims Patients Total cost
Cephalexin Generic 20 20 $177
Prednisone Generic 14 14 $94
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 11 11 $194

Frequently asked questions

Auto-generated from federal data
What is Dr. Arezou Aryai's medical specialty?
Dr. Arezou Aryai practices Emergency Medicine Physician in Colton, CA.
Where does Dr. Arezou Aryai practice?
Dr. Arezou Aryai practices at 400 N Pepper Ave, Colton, CA 923241801. Office phone: 9095801000.
What is Dr. Arezou Aryai's NPI?
Dr. Arezou Aryai's National Provider Identifier (NPI) is 1508032442, issued by NPPES.
Does Dr. Arezou Aryai accept Medicare assignment?
Yes. Dr. Arezou Aryai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Arezou Aryai commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.