Doctor profile · Federal record

Dr. Patricia O'Connell, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Chicago, IL

  • NPI 1851895668
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
211 E Ontario St Ste 200
Chicago, IL 606113284
(312) 926-2000
Additional location
251 E Huron St
Chicago, IL 60611

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
February 9, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Illinois #036159604 · Illinois #125.072305

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851895668. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
434
Distinct HCPCS
4
Medicare allowed
$72,815
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 256 246 $189
99284 Emergency department visit with moderate level of medical decision making 114 107 $129
99283 Emergency department visit with low level of medical decision making 32 28 $78
99291 Critical care, first 30-74 minutes 32 32 $227

In context: peer comparison

Among 334 peers in this city , average services per provider: 87. This provider delivers 5.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Patricia O'Connell's medical specialty?
Dr. Patricia O'Connell practices Emergency Medicine Physician in Chicago, IL.
Where does Dr. Patricia O'Connell practice?
Dr. Patricia O'Connell practices at 211 E Ontario St Ste 200, Chicago, IL 606113284. Office phone: 3129262000.
What is Dr. Patricia O'Connell's NPI?
Dr. Patricia O'Connell's National Provider Identifier (NPI) is 1851895668, issued by NPPES.
Does Dr. Patricia O'Connell accept Medicare assignment?
Yes. Dr. Patricia O'Connell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patricia O'Connell 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); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.