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 Chicago Gastroenterology Physician, 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

Frequently asked questions

Auto-generated from federal data
What is Dr. Bradford Chong's medical specialty?
Dr. Bradford Chong practices Gastroenterology Physician in Chicago, IL.
Where does Dr. Bradford Chong practice?
Dr. Bradford Chong practices at 5841 S Maryland Ave, Chicago, IL 606371443. Office phone: 7737021000.
What is Dr. Bradford Chong's NPI?
Dr. Bradford Chong's National Provider Identifier (NPI) is 1164886479, issued by NPPES.
Does Dr. Bradford Chong accept Medicare assignment?
Yes. Dr. Bradford Chong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Bradford Chong commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205); New patient office or other outpatient visit (HCPCS 99204); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.