Sharon Hyonju Choi
NPI 1790277754ActiveIndividual· Internal Medicine, Hematology & Oncology· La Jolla, CA
Internal Medicine, Hematology & Oncology in La Jolla, California, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $11,260 for 27 claims, against $2,301 paid for services in 2024. Exelixis Inc. was the largest of 8 companies reporting payments in 2025, $563.67 in all, mostly food and beverage.
Overview
| NPI | 1790277754 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jun 5, 2018 |
| Last updated in NPPES | Nov 28, 2025 |
| Certified by provider | Nov 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A166149 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 11 |
|---|---|
| Services billed | 33 across 8 procedure codes |
| Paid by Medicare | $2,301 |
Part D prescriptions in 2024
| Prescriptions (claims) | 27 · 54 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $11,260 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of CaliforniaSan Diego, CA · 2,089 clinicians
Hospital affiliations
- El Centro Regional Medical CenterEl Centro, CA
- Uc San Diego Health Hillcrest - Hillcrest Med CtrSan Diego, CA
Industry payments (Open Payments)
- 2025$563.67 · 10 payments from 8 companies
- 2024$85.00 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exelixis Inc. | $178.43 | 2 |
| Janssen Biotech, Inc. | $120.66 | 1 |
| Aveo Pharmaceuticals, Inc. | $117.00 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $45.61 | 2 |
| Eisai Inc. | $34.44 | 1 |
What the 2025 payments were for
- Food and Beverage$563.67 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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