Steven-Huy Bui Han, MD
NPI 1841218880ActiveIndividual· Internal Medicine, Gastroenterology· Los Angeles, CA
Internal Medicine, Gastroenterology (MD) in Los Angeles, California, trained at Albany Medical College of Union University (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $394,937 for 348 claims, against $46,045 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 5 companies reporting payments in 2025, $79,225 in all, mostly speaking and faculty fees.
Overview
| NPI | 1841218880 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 17, 2006 |
| Last updated in NPPES | Jan 6, 2025 |
| Certified by provider | Jan 6, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | G72513 | CA |
| Transplant Surgery | 204F00000X | G72513 | CA |
| Surgery | 208600000X | G72513 | CA |
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 - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 345 |
|---|---|
| Services billed | 524 across 9 procedure codes |
| Paid by Medicare | $46,045 |
Part D prescriptions in 2024
| Prescriptions (claims) | 348 · 558 30-day fills |
|---|---|
| Patients | 72 |
| Total drug cost | $394,937 |
| Generic share | 48% of claims |
Education and affiliations
| Medical school | Albany Medical College of Union University |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | General Surgery |
| Telehealth | Offers telehealth |
Medical group
- The Regents of the University of CaliforniaLos Angeles, CA · 38 clinicians
Hospital affiliations
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- Santa Monica - UCLA Med Ctr & Orthopaedic HospitalSanta Monica, CA
Industry payments (Open Payments)
- 2025$79,225 · 44 payments from 5 companies
- 2024$17,076 · 22 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $43,497 | 25 |
| Novo Nordisk Inc | $35,520 | 15 |
| Ipsen Biopharmaceuticals, Inc | $149.99 | 2 |
| Alnylam Pharmaceuticals Inc. | $32.56 | 1 |
| Gilead Sciences, Inc. | $25.83 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$71,923 · 16 payments
- Travel and Lodging$5,477 · 11 payments
- Food and Beverage$1,825 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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