Doctor profile · Federal record

Dr. BRADFORD CHONG, M.D.

Gastroenterology Physician (CMS: GASTROENTEROLOGY) · Gastroenterology Physician · CHICAGO, IL

  • NPI 1164886479
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
5841 S MARYLAND AVE
CHICAGO, IL 606371443
(773) 702-1000
Additional location
200 1st St SW
Rochester, MN 559051029
(507) 284-2511
fax (323) 226-2657
Additional location
1200 N State St
Los Angeles, CA 900331029
(323) 226-7556
fax (323) 226-2657
Mailing address
150 HARVESTER DR STE 300
BURR RIDGE, IL 605275965

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
August 16, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Illinois #036.164843 · Minnesota #70879

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164886479. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
61
Distinct HCPCS
5
Medicare allowed
$8,893
HCPCS Description Services Patients Avg allowed
99205 New patient office or other outpatient visit, 60-74 minutes 15 15 $191
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $141
45380 Biopsy of large bowel using a flexible endoscope 11 11 $106
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 11 11 $270
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 11 11 $6

In context: peer comparison

Among 70 peers in this city , average services per provider: 239. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Olympus America Inc. 1 $16.56

By nature of payment

Food and Beverage
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
20
Patients
0
Total drug cost
$24,720
Drug Type Claims Patients Total cost
Creon (Lipase/Protease/Amylase) Brand 20 0 $24,720