Quick answers
- Does Olumuyiwa Idowu accept Medicare assignment?
- Yes. Medicare's clinician data says Olumuyiwa Idowu 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 Olumuyiwa Idowu see?
- In 2024, CMS data shows 219 Original Medicare patients and 1,411 services for Olumuyiwa Idowu. This counts Original Medicare only and measures volume, not quality.
- What is Olumuyiwa Idowu's NPI number?
- 1538254511. 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 Olumuyiwa Idowu, 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 | 219 |
|---|---|
| Services billed to Medicare | 1,411 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes (99307)309 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)290 services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)166 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)161 services
- Hospital discharge day management, 30 minutes or less (99238)90 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 cholesterol70%
- Arthritis58%
- Diabetes53%
- Depression47%
- Anxiety43%
Hospitals where Olumuyiwa Idowu works
Medicare's Facility Affiliation Data lists Olumuyiwa Idowu 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.
- Advocate Illinois Masonic Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140182
- Thorek Memorial HospitalChicago, IL · Acute Care Hospital · Emergency services: listed by Medicare · CCN 140115
Practice locations
Addresses where Olumuyiwa Idowu is enrolled with Medicare (CMS data updated October 2, 2026).
- 840 W Irving Park Rd, Suite 204Chicago, IL 60613 (773) 871‑5150
- 850 W Irving Park RdChicago, IL 60613 (773) 525‑6780
Group practices
Medicare enrollment lists Olumuyiwa Idowu as a member of this group (CMS data updated October 2, 2026).
- Thorek Memorial Hospital50 clinicians in the group
Specialties
- Internal Medicineprimary
- General Practicealso
Other internal medicine doctors in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Other clinicians in Thorek Memorial Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538254511 |
| 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