Hanbyul Choi
NPI 1164885174ActiveIndividual· Internal Medicine· Rolling Hills Estates, CA
Internal Medicine with The Regents of the University of California, practicing in Rolling Hills Estates, California. 441 Medicare patients in 2024, $101,719 paid; nearly all of their 1,448 Part D prescriptions were generic (92%). Lists Ronald Reagan UCLA Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1164885174 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 29, 2016 |
| Last updated in NPPES | Nov 30, 2023 |
| Certified by provider | Nov 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A158201 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 441 |
|---|---|
| Services billed | 1,258 across 42 procedure codes |
| Paid by Medicare | $101,719 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,448 · 2,998 30-day fills |
|---|---|
| Patients | 306 |
| Total drug cost | $76,477 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- The Regents of the University of CaliforniaSanta Monica, CA · 1,462 clinicians
Hospital affiliations
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- Santa Monica - UCLA Med Ctr & Orthopaedic HospitalSanta Monica, CA
- Torrance Memorial Medical CenterTorrance, CA
Other facilities
- Torrance Memorial Home HealthHome health agency · Torrance, 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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