Quick answers
- Does Nwanneka Okwundu accept Medicare assignment?
- Yes. Medicare's clinician data says Nwanneka Okwundu 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 Nwanneka Okwundu see?
- In 2024, CMS data shows 97 Original Medicare patients and 127 services for Nwanneka Okwundu. This counts Original Medicare only and measures volume, not quality.
- What is Nwanneka Okwundu's NPI number?
- 1821595885. 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 Nwanneka Okwundu, 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 | 97 |
|---|---|
| Services billed to Medicare | 127 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)61 services
- Emergency department visit with moderate level of medical decision making (99284)24 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)21 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%
- Arthritis59%
- Ischemic heart disease51%
- Diabetes46%
- COPD45%
Hospitals where Nwanneka Okwundu works
Medicare's Facility Affiliation Data lists Nwanneka Okwundu 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.
- Crenshaw Community HospitalLuverne, AL · Critical Access Hospital · Emergency services: listed by Medicare · CCN 011308
- Fayette County HospitalVandalia, IL · Critical Access Hospital · Emergency services: listed by Medicare · CCN 141346
- Hardin Medical CenterSavannah, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440109
- HCA Florida Lake City HospitalLake City, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100156
- Southern Tennessee Regional Health System WinchestWinchester, TN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 440058
Practice locations
Addresses where Nwanneka Okwundu is enrolled with Medicare (CMS data updated October 2, 2026).
- 1260 University AveSewanee, TN 37375 (615) 598‑5691
- 185 Hospital RdWinchester, TN 37398 (931) 967‑8200
- 340 NW Commerce Dr, Lake City Medical CenterLake City, FL 32055 (850) 719‑9000
- 901 Griffin AveEastman, GA 31023 (478) 448‑4000
- 935 Wayne RdSavannah, TN 38372 (731) 926‑8000
Group practices
Medicare enrollment lists Nwanneka Okwundu as a member of these groups (CMS data updated October 2, 2026).
- Southeastern Emergency Physicians LLC784 clinicians in the group
- Emergency Coverage LLC775 clinicians in the group
- Emergency Medicine Services of Fl LLC712 clinicians in the group
- Southland Dodge Emergency Medical Services, LLC13 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Tennessee
Clinicians with the same Medicare primary specialty in Tennessee — not a recommendation.
Other clinicians in Southeastern Emergency Physicians LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821595885 |
| 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