Quick answers
- Does Kenechukwu O. Chudy-Onwugaje accept Medicare assignment?
- Yes. Medicare's clinician data says Kenechukwu O. Chudy-Onwugaje accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Kenechukwu O. Chudy-Onwugaje see?
- In 2024, CMS data shows 374 Original Medicare patients and 817 services for Kenechukwu O. Chudy-Onwugaje. This counts Original Medicare only and measures volume, not quality.
- What is Kenechukwu O. Chudy-Onwugaje's NPI number?
- 1861749780. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Kenechukwu O. Chudy-Onwugaje, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 374 |
|---|---|
| Services billed to Medicare | 817 |
| Different services or procedures | 47 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)192 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)153 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)98 services
- Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43235)74 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)42 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis63%
- Ischemic heart disease56%
- Chronic kidney disease54%
- Heart failure52%
Hospitals where Kenechukwu O. Chudy-Onwugaje works
Medicare's Facility Affiliation Data lists Kenechukwu O. Chudy-Onwugaje at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Herrin HospitalHerrin, IL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 140011
- HSHS St Elizabeth's HospitalO Fallon, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140187
- Memorial HospitalBelleville, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140185
- Memorial Hospital of CarbondaleCarbondale, IL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 140164
- St Josephs HospitalBreese, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140145
Practice locations
Addresses where Kenechukwu O. Chudy-Onwugaje is enrolled with Medicare (CMS data updated October 2, 2026).
- 3 Saint Elizabeth BlvdO Fallon, IL 62269 (618) 641‑5803
- 404 Lincoln DrHerrin, IL 62948 (618) 993‑0056
- 4500 Memorial DrBelleville, IL 62226 (618) 257‑6220
Group practices
Medicare enrollment lists Kenechukwu O. Chudy-Onwugaje as a member of these groups (CMS data updated October 2, 2026).
- Fairview Heights Medical Group SC444 clinicians in the group
- Southern Illinois Medical Services NFP334 clinicians in the group
- HSHS Medical Group Inc219 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Other clinicians in Fairview Heights Medical Group SC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861749780 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians