Doctor profile · Federal record

Dr. Niko Keys, MD

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

  • NPI 1881783793
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
25 N. Winfield Road
Winfield, IL 60190
(630) 933-2640
Additional location
430 Warrenville RD Ste 230
Lisle, IL 605321348
(888) 693-6437
Mailing address
Po Box 5940
Carol Stream, IL 601975940

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
December 28, 2018
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Illinois #036-087588

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881783793. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
675
Distinct HCPCS
4
Medicare allowed
$118,479
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 455 438 $183
99284 Emergency department visit with moderate level of medical decision making 118 118 $125
99291 Critical care, first 30-74 minutes 90 90 $219
99283 Emergency department visit with low level of medical decision making 12 12 $72

In context: peer comparison

Among 5 peers in this city , average services per provider: 178. This provider delivers 3.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
203
Patients
198
Total drug cost
$1,506
Drug Type Claims Patients Total cost
Cephalexin Generic 48 47 $507
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 45 45 $170
Prednisone Generic 31 30 $75
Naproxen Generic 20 20 $140
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 16 15 $206
Ondansetron Odt (Ondansetron) Brand 16 15 $80
Doxycycline Hyclate Generic 14 14 $275
Methocarbamol Generic 13 12 $53

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Niko Keys's medical specialty?
Dr. Niko Keys practices Emergency Medicine Physician in Winfield, IL.
Where does Dr. Niko Keys practice?
Dr. Niko Keys practices at 25 N. Winfield Road, Winfield, IL 60190. Office phone: 6309332640.
What is Dr. Niko Keys's NPI?
Dr. Niko Keys's National Provider Identifier (NPI) is 1881783793, issued by NPPES.
Does Dr. Niko Keys accept Medicare assignment?
Yes. Dr. Niko Keys accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Niko Keys 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.