Hoanh Thi Nguyen, MD
NPI 1982649133ActiveIndividual· Medical Genetics, Clinical Genetics (M.D.)· Saint Louis, MO
Medical Genetics, Clinical Genetics (M.D.) (MD) in Saint Louis, Missouri, trained at Tulane University School of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $341,327 for 19 claims, against $893.11 paid for services in 2024. Biomarin Pharmaceutical Inc. was the largest of 2 companies reporting payments in 2025, $322.74 in all, mostly food and beverage.
Overview
| NPI | 1982649133 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 19, 2006 |
| Last updated in NPPES | Apr 17, 2025 |
| Certified by provider | Nov 24, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Medical Genetics, Clinical Genetics (M.D.) Primary | 207SG0201X | 2013002441 | MO |
| Pediatrics | 208000000X | 2013002441 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Genetics and Genomics (IL); Practitioner - Medical Genetics and Genomics (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 11 |
|---|---|
| Services billed | 15 across 6 procedure codes |
| Paid by Medicare | $893.11 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19 · 19 30-day fills |
|---|---|
| Total drug cost | $341,327 |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Medical Genetics And Genomics |
| Secondary specialties | Pediatric Medicine |
Medical groups
- Washington UniversitySaint Louis, MO · 3,029 clinicians
- The Curators of the University of MissouriColumbia, MO · 1,131 clinicians
- Washington University Physicians in Illinois IncSaint Louis, MO · 175 clinicians
Hospital affiliation
- St Louis Childrens HospitalSaint Louis, MO
Industry payments (Open Payments)
- 2025$322.74 · 3 payments from 2 companies
- 2024$420.45 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biomarin Pharmaceutical Inc. | $308.46 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $14.28 | 1 |
What the 2025 payments were for
- Food and Beverage$322.74 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Medical Genetics, Clinical Genetics (M.D.) providers in Saint Louis
- 1447269444
- 1801812128
- 1912087354
- 1780888644
- 1821479957
- 1780064378
- 1053523845
- 1447278916
- 1952717902
- 1033569918
- 1205403987
- 1295180867
All 18 Medical Genetics, Clinical Genetics (M.D.) providers in Saint Louis · All Medical Genetics, Clinical Genetics (M.D.) providers in Missouri