Quick answers
- Does Kasiemobi B. Okonkwo accept Medicare assignment?
- Yes. Medicare's clinician data says Kasiemobi B. Okonkwo 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.
- What is Kasiemobi B. Okonkwo's NPI number?
- 1891365391. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kasiemobi B. Okonkwo works
Medicare's Facility Affiliation Data lists Kasiemobi B. Okonkwo 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
Practice locations
Addresses where Kasiemobi B. Okonkwo is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Memorial DrAlton, IL 62002 (618) 463‑7240
- 2001 State StEast Saint Louis, IL 62205 (618) 271‑9191
- 4 Memorial Dr, Suite 210Alton, IL 62002 (618) 463‑5905
Group practices
Medicare enrollment lists Kasiemobi B. Okonkwo as a member of these groups (CMS data updated October 2, 2026).
- Fairview Heights Medical Group SC444 clinicians in the group
- Southern Illinois Healthcare Foundation Inc119 clinicians in the group
Specialties
- Hospitalistprimary
Other hospitalists in Alton
Clinicians with the same Medicare primary specialty in Alton, IL — 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 | 2020 (6 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891365391 |
| 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
- 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