Doctor profile · Federal record

Dr. Ryan Santos, DO

Gastroenterology Physician · Internal Medicine Physician · Chicago, IL

  • NPI 1720540834
  • 7 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5841 S Maryland Ave # Mc4076
Chicago, IL 606371443
(773) 795-1824
fax (773) 702-2182
Mailing address
180 Harvester Dr Ste 110
Burr Ridge, IL 605274503

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
April 29, 2025
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Illinois #036.173860 · Hawaii #DOS2133

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720540834. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$645
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 2 $245.93
Steris Corporation 1 $141.55
Boston Scientific Corporation 1 $141.08
Gilead Sciences, INC. 1 $116.71

By nature of payment

Food and Beverage
$645

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Santos's medical specialty?
Dr. Ryan Santos practices Gastroenterology Physician in Chicago, IL.
Where does Dr. Ryan Santos practice?
Dr. Ryan Santos practices at 5841 S Maryland Ave # Mc4076, Chicago, IL 606371443. Office phone: 7737951824.
What is Dr. Ryan Santos's NPI?
Dr. Ryan Santos's National Provider Identifier (NPI) is 1720540834, issued by NPPES.