Bao Thai Bui, M.D.
NPI 1801099593ActiveIndividual· Internal Medicine, Cardiovascular Disease· Fountain Valley, CA
Internal Medicine, Cardiovascular Disease (M.D.) in Fountain Valley, California, trained at Pennsylvania State University College of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $2,059,374 for 7,694 claims, against $682,974 paid for services in 2024. Novo Nordisk Inc was the largest of 13 companies reporting payments in 2025, $80,713 in all, mostly speaking and faculty fees.
Overview
| NPI | 1801099593 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 8, 2007 |
| Last updated in NPPES | Mar 12, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | A125690 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 814 |
|---|---|
| Services billed | 11,993 across 37 procedure codes |
| Paid by Medicare | $682,974 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,694 · 16,998 30-day fills |
|---|---|
| Patients | 656 |
| Total drug cost | $2,059,374 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | Pennsylvania State University College of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Andrew Nguyen DO A Professional Medical CorporationNewport Beach, CA · 9 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$80,713 · 82 payments from 13 companies
- 2024$74,566 · 106 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $75,424 | 46 |
| Lilly USA, LLC | $2,600 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $2,153 | 5 |
| Astrazeneca Pharmaceuticals LP | $169.17 | 12 |
| Bayer Healthcare Pharmaceuticals Inc. | $142.27 | 7 |
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$72,200 · 16 payments
- Travel and Lodging$6,345 · 22 payments
- Food and Beverage$2,169 · 44 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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