Au H. Bui, MD
NPI 1699970632ActiveIndividual· Surgery· Newport Beach, CA
Surgery (MD) in Newport Beach, California, trained at Albert Einstein College of Medicine of Yeshiva University (class of 2002). Mostly services rather than prescriptions: Medicare paid $42,190 for 94 patients in 2024, with only 46 Part D claims. Merck Sharp & Dohme LLC was the largest of 6 companies reporting payments in 2025, $385.62 in all, mostly food and beverage.
Overview
| NPI | 1699970632 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 19, 2007 |
| Last updated in NPPES | Oct 23, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | A92745 | CA |
| Surgery | 208600000X | MT193875 | PA |
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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 94 |
|---|---|
| Services billed | 186 across 31 procedure codes |
| Paid by Medicare | $42,190 |
Part D prescriptions in 2024
| Prescriptions (claims) | 46 · 80 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $615.38 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | General Surgery |
Medical group
- Prohealth Partners, A Medical GroupLong Beach, CA · 239 clinicians
Hospital affiliation
- Memorialcare Long Beach Medical CenterLong Beach, CA
Industry payments (Open Payments)
- 2025$385.62 · 14 payments from 6 companies
- 2024$281.32 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $152.88 | 6 |
| Janssen Biotech, Inc. | $125.92 | 4 |
| Genentech USA, Inc. | $29.58 | 1 |
| Incyte Corporation | $29.02 | 1 |
| Astrazeneca Pharmaceuticals LP | $28.91 | 1 |
What the 2025 payments were for
- Food and Beverage$385.62 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 52 general surgeons in Newport Beach · All general surgeons in California