Quick answers
- Does Ugonna T. Nwankwo accept Medicare assignment?
- Yes. Medicare's clinician data says Ugonna T. Nwankwo 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 Ugonna T. Nwankwo see?
- In 2024, CMS data shows 14 Original Medicare patients and 76 services for Ugonna T. Nwankwo. This counts Original Medicare only and measures volume, not quality.
- What is Ugonna T. Nwankwo's NPI number?
- 1356661433. 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 Ugonna T. Nwankwo, 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 | 14 |
|---|---|
| Services billed to Medicare | 76 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 34 |
Hospitals where Ugonna T. Nwankwo works
Medicare's Facility Affiliation Data lists Ugonna T. Nwankwo 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.
- Barnes Jewish HospitalSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260032
- Barnes-Jewish West County HospitalCreve Coeur, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260162
- St Louis Childrens HospitalSaint Louis, MO · Children's Hospital · Emergency services: listed by Medicare · CCN 263301
Practice locations
Addresses where Ugonna T. Nwankwo is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Childrens PlSaint Louis, MO 63110 (314) 273‑1006
Group practices
Medicare enrollment lists Ugonna T. Nwankwo as a member of this group (CMS data updated October 2, 2026).
- Washington University3,029 clinicians in the group
Specialties
Find other Adult Congenital Heart Disease (ACHD) doctors in Missouri →
Other clinicians in Washington University
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wake Forest University School Of Medicine |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356661433 |
| 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