Doctor profile · Federal record

Dr. Steven Aks, DO

Medical Toxicology (Emergency Medicine) Physician · Emergency Medicine Physician · Chicago, IL

  • NPI 1295810356
  • MIPS 78.2 / 100 · 2023
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1900 W Polk St, 10Th Floor, Department of Emergency Medicine
Chicago, IL 606123723
(312) 864-0060
Mailing address
3822 N Lakewood Ave
Chicago, IL 606132808

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
April 21, 2021
Specialty taxonomy
207PT0002X — NUCC code
State licenses (2)
Illinois #036079268 · Illinois #036-079268

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295810356. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
51
Distinct HCPCS
3
Medicare allowed
$6,779
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 22 22 $132
99283 Emergency department visit with low level of medical decision making 15 15 $79
99285 Emergency department visit with high level of medical decision making 14 13 $193

In context: peer comparison

Among 3 peers in this city , average services per provider: 111. This provider delivers 0.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Steven Aks's medical specialty?
Dr. Steven Aks practices Medical Toxicology (Emergency Medicine) Physician in Chicago, IL.
Where does Dr. Steven Aks practice?
Dr. Steven Aks practices at 1900 W Polk St, Chicago, IL 606123723. Office phone: 3128640060.
What is Dr. Steven Aks's NPI?
Dr. Steven Aks's National Provider Identifier (NPI) is 1295810356, issued by NPPES.
What procedures does Dr. Steven Aks commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.