Chau Quynh Bui, D.O.
NPI 1194142562ActiveIndividual· Hospitalist· Redondo Beach, CA
Hospitalist (D.O.) in Redondo Beach, California, licensed in CA, with an NPI issued in March 2014. Their prescriptions cost Medicare Part D more than their services did: $231,810 for 1,550 claims, against $3,111 paid for services in 2024. Lilly USA, LLC was the largest of 7 companies reporting payments in 2025, $1,258 in all, mostly food and beverage.
Overview
| NPI | 1194142562 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Mar 24, 2014 |
| Last updated in NPPES | Jan 2, 2020 |
| Certified by provider | Jan 2, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 20A14247 | CA |
| Family Medicine | 207Q00000X | 20A14247 | CA |
| Family Medicine, Sports Medicine | 207QS0010X | 20A14247 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 29 |
|---|---|
| Services billed | 48 across 14 procedure codes |
| Paid by Medicare | $3,111 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,550 · 3,263 30-day fills |
|---|---|
| Patients | 191 |
| Total drug cost | $231,810 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Family Practice |
| Secondary specialties | Sports Medicine |
Industry payments (Open Payments)
- 2025$1,258 · 20 payments from 7 companies
- 2024$2,429 · 30 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $355.93 | 3 |
| Aimmune Therapeutics, Inc. | $293.38 | 9 |
| Astrazeneca Pharmaceuticals LP | $273.74 | 3 |
| Bayer Healthcare Pharmaceuticals Inc. | $144.10 | 1 |
| Amgen Inc. | $120.25 | 1 |
What the 2025 payments were for
- Food and Beverage$1,258 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other hospitalists in Redondo Beach
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- 1790958452