Quick answers
- Does Olayiwola C. Olagbegi accept Medicare assignment?
- Yes. Medicare's clinician data says Olayiwola C. Olagbegi 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 Olayiwola C. Olagbegi see?
- In 2024, CMS data shows 333 Original Medicare patients and 617 services for Olayiwola C. Olagbegi. This counts Original Medicare only and measures volume, not quality.
- What is Olayiwola C. Olagbegi's NPI number?
- 1912011255. 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 Olayiwola C. Olagbegi, 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 | 333 |
|---|---|
| Services billed to Medicare | 617 |
| Different services or procedures | 52 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)165 services
- Biopsy of large bowel using a flexible endoscope (45380)74 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)62 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)54 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)49 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%
- Arthritis53%
- Diabetes52%
- Chronic kidney disease48%
- Heart failure44%
Hospitals where Olayiwola C. Olagbegi works
Medicare's Facility Affiliation Data lists Olayiwola C. Olagbegi 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.
- Alton Memorial HospitalAlton, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140002
- Christian Hospital NortheastSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260180
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260108
Practice locations
Addresses where Olayiwola C. Olagbegi is enrolled with Medicare (CMS data updated October 2, 2026).
- 11133 Dunn RdSaint Louis, MO 63136 (314) 653‑5643
- 11133 Dunn Rd, Suite 2427Saint Louis, MO 63136 (314) 653‑5643
- 11155 Dunn Rd, Suite 109nSaint Louis, MO 63136 (314) 953‑8799
- 24 S Mt Auburn Rd, Cape Pulmonology and Sleep MedicineCape Girardeau, MO 63703 (573) 331‑5544
Group practices
Medicare enrollment lists Olayiwola C. Olagbegi as a member of these groups (CMS data updated October 2, 2026).
- Fairview Heights Medical Group SC444 clinicians in the group
- Saint Francis Medical Center443 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — 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 | 1985 (41 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912011255 |
| 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