Quick answers
- Does Oladimeji M. Kassim accept Medicare assignment?
- Yes. Medicare's clinician data says Oladimeji M. Kassim 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 Oladimeji M. Kassim see?
- In 2024, CMS data shows 184 Original Medicare patients and 881 services for Oladimeji M. Kassim. This counts Original Medicare only and measures volume, not quality.
- What is Oladimeji M. Kassim's NPI number?
- 1861885675. 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 Oladimeji M. Kassim, 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 | 184 |
|---|---|
| Services billed to Medicare | 881 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 56 |
Most frequent services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)628 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)160 services
- Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)35 services
- Hospital discharge day management, 30 minutes or less (99238)30 services
- Psychiatric diagnostic evaluation (90791)25 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%
- Anxiety72%
- High cholesterol70%
- Depression52%
- Diabetes43%
- Arthritis34%
Hospitals where Oladimeji M. Kassim works
Medicare's Facility Affiliation Data lists Oladimeji M. Kassim 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.
- Methodist Hospital of ChicagoChicago, IL · Acute Care Hospital · Emergency services: listed by Medicare · CCN 140197
- Thorek Memorial HospitalChicago, IL · Acute Care Hospital · Emergency services: listed by Medicare · CCN 140115
Practice locations
Addresses where Oladimeji M. Kassim is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 13000 Maple AveBlue Island, IL 60406 (708) 385‑6100
- 1635 E 154th StDolton, IL 60419 (708) 841‑9550
- 2822 E 83rd StChicago, IL 60617 (773) 721‑7600
- 5025 N Paulina StChicago, IL 60640 (773) 271‑9040
- 8012 S Crandon AveChicago, IL 60617 (773) 356‑5000
Group practices
Medicare enrollment lists Oladimeji M. Kassim as a member of these groups (CMS data updated October 2, 2026).
- Access Community Health Network182 clinicians in the group
- J C Medical Group Ltd11 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Blue Island
Clinicians with the same Medicare primary specialty in Blue Island, IL — not a recommendation.
Other clinicians in Access Community Health Network
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2016 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861885675 |
| 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