Doctor profile · Federal record

Dr. Jennifer Nykiel

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

  • NPI 1831503739
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5841 S. Maryland Ave. University of Chicago, Mc 5068 Section of Emergency Medicine
Chicago, IL 60637
(773) 702-9500
Mailing address
5841 S. Maryland Ave. Mc 5068, University of Chicago Section of Emergency Medicine
Chicago, IL 60637

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
June 25, 2024
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Illinois #036164080 · Indiana #125-063643

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831503739. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
210
Distinct HCPCS
2
Medicare allowed
$35,919
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 147 145 $189
99284 Emergency department visit with moderate level of medical decision making 63 63 $129

In context: peer comparison

Among 334 peers in this city , average services per provider: 87. This provider delivers 2.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
12
Total drug cost
$136
Drug Type Claims Patients Total cost
Cephalexin Generic 12 12 $136

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Nykiel's medical specialty?
Dr. Jennifer Nykiel practices Emergency Medicine Physician in Chicago, IL.
Where does Dr. Jennifer Nykiel practice?
Dr. Jennifer Nykiel practices at 5841 S. Maryland Ave. University of Chicago, Chicago, IL 60637. Office phone: 7737029500.
What is Dr. Jennifer Nykiel's NPI?
Dr. Jennifer Nykiel's National Provider Identifier (NPI) is 1831503739, issued by NPPES.
Does Dr. Jennifer Nykiel accept Medicare assignment?
Yes. Dr. Jennifer Nykiel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Nykiel 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). Source: CMS Medicare Physician & Other Practitioners file.