Doctor profile · Federal record

Dr. Aaron Quarles, MD, MPP

Emergency Medicine Physician · Emergency Medicine Physician · Chicago, IL

  • NPI 1306230370
  • MIPS 91.3 / 100 · 2023
  • 11 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
259 E Erie St
Chicago, IL 606112987
(312) 694-7000
Mailing address
211 E Ontario St, Suite 200
Chicago, IL 606113468

Credentials & registration

NPPES · NUCC
NPI registered
March 2015 — 11 yrs on file
Profile last updated
April 5, 2019
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Illinois #036145040 · Illinois #125066918

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306230370. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
383
Distinct HCPCS
4
Medicare allowed
$66,444
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 202 198 $192
99284 Emergency department visit with moderate level of medical decision making 108 104 $131
99291 Critical care, first 30-74 minutes 52 52 $230
99283 Emergency department visit with low level of medical decision making 21 20 $79

In context: peer comparison

Among 334 peers in this city , average services per provider: 87. This provider delivers 4.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Quarles's medical specialty?
Dr. Aaron Quarles practices Emergency Medicine Physician in Chicago, IL.
Where does Dr. Aaron Quarles practice?
Dr. Aaron Quarles practices at 259 E Erie St, Chicago, IL 606112987. Office phone: 3126947000.
What is Dr. Aaron Quarles's NPI?
Dr. Aaron Quarles's National Provider Identifier (NPI) is 1306230370, issued by NPPES.
What procedures does Dr. Aaron Quarles 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); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.