Doctor Profile

Gastroenterology · Gastroenterology

Kenechukwu O. Chudy-Onwugaje

MD · Gastroenterology
4500 MEMORIAL DR
Belleville, IL 62226
✓ Accepts Medicare 🎓 17 Years Practicing
575
Medicare Patients / yr
10
Procedures Billed
17
Years Practicing
3
Hospital Affiliations
Data Source: Identity from NPPES (2026). Procedure & patient volume from CMS Medicare Provider Utilization & Payment Data (2023). Hospital affiliations from CMS Physician Compare. We display publicly reported data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare, CMS, or Kenechukwu O. Chudy-Onwugaje's practice. This page displays publicly available CMS data to help you research Medicare providers. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.

Medicare Plans That Cover Dr. Chudy-Onwugaje

See which plans Dr. Chudy-Onwugaje accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Illinois, the fastest way to find a Medicare plan that covers Dr. Chudy-Onwugaje is to compare every Medicare Advantage and Part D plan available near 62226, IL — the Gastroenterology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 62226, IL →

Or call the office at (618) 257-6220 to confirm acceptance directly.

What Dr. Chudy-Onwugaje Does

Dr. Chudy-Onwugaje served 575 Medicare patients across 664 services in the latest CMS reporting year. That's 27% below the average Gastroenterology in Illinois (783 patients across 570 doctors).

ProcedureServicesMedicare Patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)232150
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)227223
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)7171
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43235)3838
Diagnostic exam of large bowel using a flexible endoscope (45378)2727

How to read this: "Services" are the total times Dr. Chudy-Onwugaje billed Medicare for each procedure in the latest reporting year. "Patients" counts unique Medicare beneficiaries. Procedures are shown in plain English; the underlying HCPCS codes are available on request.

Hospital Affiliations

Dr. Chudy-Onwugaje is affiliated with 3 hospitals according to CMS Physician Compare. Below are the 3 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Memorial Hospital

Belleville, IL
★★★★☆ 4/5 CMS Rating

Herrin Hospital

Herrin, IL
★★☆☆☆ 2/5 CMS Rating

Memorial Hospital Of Carbondale

Carbondale, IL
★★☆☆☆ 2/5 CMS Rating

Practice Location & Telehealth Readiness

Dr. Chudy-Onwugaje practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Dr. Chudy-Onwugaje offers telehealth — broadband availability at your home matters for virtual visits.

Address: 4500 MEMORIAL DR, Belleville, IL 62226
Phone: (618) 257-6220

Area Safety Grade

B-

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

30 min

Average commute time in this zip · 86% of residents drive to work. Practical context for patients deciding whether to make the trip. See the full neighborhood profile at BestNeighborhood.org.

Telehealth Readiness

47.9652

Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.

Get directions on Google Maps →

Other Gastroenterology Doctors near 62226, IL

If Dr. Chudy-Onwugaje isn't accepting new patients or isn't in your plan's network, these are the closest gastroenterology doctors near 62226, IL:

DoctorSpecialtyMedicare Patients / yrDistance
Anand P. PatelGastroenterology4501.3 mi
Yahia Al TurkGastroenterology361.3 mi
Vasantha P. PaiGastroenterology3.9K1.7 mi
Shakeel AhmedGastroenterology1.6K2.4 mi
Melvin B. SaltzmanGastroenterology9.7 mi
Robyn L. Haithcock, Sr.Gastroenterology3479.7 mi

View all gastroenterology doctors near 62226, IL →

How to Use This Information

Choosing a Medicare plan that covers Dr. Chudy-Onwugaje takes three steps:

Compare Medicare Plans near 62226, IL → All Doctors near 62226, IL

Kenechukwu O. Chudy-Onwugaje: Common Questions

Does Dr. Chudy-Onwugaje accept Medicare?
Yes. Dr. Chudy-Onwugaje is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Chudy-Onwugaje depends on that plan's provider network. Compare Medicare plans near 62226, IL →
Where is Dr. Chudy-Onwugaje's office?
Dr. Chudy-Onwugaje practices at 4500 MEMORIAL DR, Belleville, IL 62226. Phone: (618) 257-6220.
What Medicare plans does Dr. Chudy-Onwugaje accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (618) 257-6220 to confirm your specific plan is accepted, or compare all Medicare plans near 62226, IL to see available options.
Does Dr. Chudy-Onwugaje offer telehealth visits?
CMS does not currently list Dr. Chudy-Onwugaje as offering telehealth. Call the office at (618) 257-6220 to confirm whether virtual visits are available.
How experienced is Dr. Chudy-Onwugaje?
Dr. Chudy-Onwugaje graduated in 2009 and has been practicing for approximately 17 years. In the latest CMS reporting year, Dr. Chudy-Onwugaje treated 575 Medicare patients across 10 distinct procedure types.
How do I know if Dr. Chudy-Onwugaje is in-network for my Medicare plan?
Network status varies by plan. The best verification steps: (1) check your plan's provider directory at the carrier's website, (2) call the office at (618) 257-6220 and ask which plans they currently accept, and (3) call the number on the back of your Medicare card. Print our doctor questions checklist →

About the Reviewer

Wes Ward

Wes Ward

Founder & Data Lead

Wes Ward reviews all doctor profiles and methodology for data accuracy. Every Medicare provider page on this site — including the utilization statistics, hospital affiliations, and geocoded practice address — goes through his data-validation pipeline before publication. We display only publicly available CMS data; you never need to enter personal information to see any of it.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to healthcare transparency. He is also a co-founder of BestNeighborhood.org (neighborhood data), CrimeGrade.org (block-level safety analytics), and ISPReports.org (broadband availability for telehealth). Those sister sites power the location and telehealth-readiness context on this page.

View full profile →LinkedIn

Data sources: CMS NPPES (2026), CMS Medicare Provider Utilization & Payment Data (2023), CMS Physician Compare, CrimeGrade.org, BestNeighborhood.org, ISPReports.org. This page is for informational purposes only. Always verify coverage directly with the plan and practice. Read our full methodology →Privacy policy

Medicare Resources

Choosing the right Medicare plan involves more than just doctor coverage. These guides help you evaluate the full picture:

Medicare Plans for Conditions Treated by Gastroenterology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 62226, IL:

Does your Medicare plan cover Dr. Chudy-Onwugaje?

Compare Plans near 62226, IL →