Charles Bui, M.D.
NPI 1013100338ActiveIndividual· Hospitalist· Harbor City, CA
Hospitalist (M.D.) in Harbor City, California, trained at University of Wisconsin School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $73,514 for 762 claims, against $4,475 paid for services in 2024.
Overview
| NPI | 1013100338 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 21, 2007 |
| Last updated in NPPES | Dec 8, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | A101681 | CA |
| Family Medicine | 207Q00000X | A101681 | 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 - Hospitalist (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 26 |
|---|---|
| Services billed | 54 across 8 procedure codes |
| Paid by Medicare | $4,475 |
Part D prescriptions in 2024
| Prescriptions (claims) | 762 · 1,350 30-day fills |
|---|---|
| Patients | 261 |
| Total drug cost | $73,514 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - South BayHarbor City, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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