Doctor profile · Federal record

Dr. Alexander Kazos, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Family Medicine Physician · Belleville, IL

  • NPI 1801957063
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
180 S 3Rd St
Belleville, IL 622201952
(618) 233-5480
Mailing address
4251 Flad Ave
Saint Louis, MO 631103506

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
May 22, 2024
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
New York #257069 · Illinois #39020000X

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801957063. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
278
Distinct HCPCS
5
Medicare allowed
$42,172
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 123 115 $126
99285 Emergency department visit with high level of medical decision making 91 90 $185
99283 Emergency department visit with low level of medical decision making 25 24 $80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 24 23 $187
99291 Critical care, first 30-74 minutes 15 15 $222

In context: peer comparison

Among 9 peers in this city , average services per provider: 79. This provider delivers 3.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
47
Patients
47
Total drug cost
$180
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 18 18 $108
Prednisone Generic 18 18 $22
Cephalexin Generic 11 11 $50

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexander Kazos's medical specialty?
Dr. Alexander Kazos practices Emergency Medicine Physician in Belleville, IL.
Where does Dr. Alexander Kazos practice?
Dr. Alexander Kazos practices at 180 S 3Rd St, Belleville, IL 622201952. Office phone: 6182335480.
What is Dr. Alexander Kazos's NPI?
Dr. Alexander Kazos's National Provider Identifier (NPI) is 1801957063, issued by NPPES.
Does Dr. Alexander Kazos accept Medicare assignment?
Yes. Dr. Alexander Kazos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Kazos commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.