Doctor profile · Federal record

Dr. GUILLERMO ARES, MD

Pediatric Surgery Physician · Student in an Organized Health Care Education/Training Program · MAYWOOD, IL

  • NPI 1942542105
  • 13 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2160 S 1ST AVE
MAYWOOD, IL 601533328
(708) 216-9000
Mailing address
833 W 15TH PL UNIT 415
CHICAGO, IL 606081845

Credentials & registration

NPPES · NUCC
NPI registered
March 2013 — 13 yrs on file
Profile last updated
October 14, 2022
Specialty taxonomy
2086S0120X — NUCC code
State license (1)
Illinois #036139625

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942542105. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$23
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ATRICURE, INC. 1 $23.22

By nature of payment

Food and Beverage
$23

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated May 21, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›