Quick answers
- Does Hoanh T. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Hoanh T. Nguyen 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 Hoanh T. Nguyen see?
- In 2024, CMS data shows 11 Original Medicare patients and 15 services for Hoanh T. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Hoanh T. Nguyen's NPI number?
- 1982649133. 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 Hoanh T. Nguyen, 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 | 11 |
|---|---|
| Services billed to Medicare | 15 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 50 |
Hospitals where Hoanh T. Nguyen works
Medicare's Facility Affiliation Data lists Hoanh T. Nguyen 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.
- St Louis Childrens HospitalSaint Louis, MO · Children's Hospital · Emergency services: listed by Medicare · CCN 263301
Practice locations
Addresses where Hoanh T. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Childrens PlSaint Louis, MO 63110 (314) 273‑1006
- 1 Hospital DrColumbia, MO 65212 (573) 882‑4141
- 1414 Cross StShiloh, IL 62269 (314) 454‑5437
- 404 N Keene St, Suite 101Columbia, MO 65201 (573) 882‑6921
Group practices
Medicare enrollment lists Hoanh T. Nguyen as a member of these groups (CMS data updated October 2, 2026).
- Washington University3,029 clinicians in the group
- The Curators of the University of Missouri1,131 clinicians in the group
- Washington University Physicians in Illinois Inc175 clinicians in the group
Specialties
Find other Medical Genetics and Genomics doctors in Missouri →
Other medical geneticists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Other clinicians in Washington University
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tulane University School Of Medicine |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1982649133 |
| 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