Bradford Chong, M.D.
Gastroenterology (CMS) · Chicago, IL
At a glance
5841 S Maryland Ave, Chicago, IL 60637-1443
Published activity: Colonoscopy · Upper gastrointestinal (GI) endoscopy for acid reflux. View counts and coverage
NPPES record updated Aug 16, 2023. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
5841 S Maryland AveChicago, IL 60637-1443
Additional reported practice locations
1200 N State StLos Angeles, CA 900331029
Phone: 3232267556
Fax: 3232262657 200 1St St Sw
Rochester, MN 559051029
Phone: 5072842511
Fax: 3232262657
Education & affiliations
- Medical / professional school
- Rush Medical College Of Rush University
- Graduation year
- 2016
- CMS specialties
- Gastroenterology
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- The University Of Chicago Medical Center Chicago, IL
- Uchicago Medicine Northwest Indiana Crown Point, IN
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Colonoscopy | 42 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 28 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Consulting fee | $5,500.00 |
| Food and beverage | $947.70 |
| Travel and lodging | $298.87 |
Reporting companies
| Company | Amount |
|---|---|
| AMGEN INC. | $6,623.95 |
| ABBVIE INC. | $122.62 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Gastroenterology (CMS)
- Taxonomy code
- 207RG0100X
- Enumeration date
- Apr 12, 2016
- Record updated
- Aug 16, 2023
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207RG0100X
License reported: 70879 MN
207RG0100X · Primary
License reported: 036.164843 IL
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
5841 S Maryland AveChicago, IL 60637-1443
- Phone
- (773) 702-1000
Mailing address
150 HARVESTER DR STE 300BURR RIDGE, IL 605275965
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
Report a directory issue