Caroline Bui
NPI 1821626482ActiveIndividual· Internal Medicine, Rheumatology· Orange, CA
Internal Medicine, Rheumatology in Orange, California, trained at Touro Un College of Osteopathic Medicine, Vallejo (class of 2020). Part D covered 159 prescriptions written in 2024, 76% of them generic. Ucb, Inc. was the largest of 6 companies reporting payments in 2025, $764.54 in all, mostly food and beverage.
Overview
| NPI | 1821626482 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 30, 2020 |
| Last updated in NPPES | Dec 11, 2025 |
| Certified by provider | Dec 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 20A20843 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Rheumatology (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 159 · 346 30-day fills |
|---|---|
| Patients | 47 |
| Total drug cost | $89,017 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | Touro Un College of Osteopathic Medicine, Vallejo |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- Uc RegentsOrange, CA · 319 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$764.54 · 22 payments from 6 companies
- 2024$771.08 · 19 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ucb, Inc. | $201.63 | 4 |
| Amgen Inc. | $154.85 | 2 |
| Glaxosmithkline, LLC. | $150.41 | 7 |
| Abbvie Inc. | $124.61 | 4 |
| Novartis Pharmaceuticals Corporation | $79.18 | 3 |
What the 2025 payments were for
- Food and Beverage$764.54 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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