Jee Hoon Jang, MD
NPI 1639691579ActiveIndividual· Internal Medicine· Simi Valley, CA
Internal Medicine (MD) with Clinicas del Camino Real Inc, practicing in Simi Valley, California. Part D covered 5,716 prescriptions written in 2024, 86% of them generic. Lilly USA, LLC reported $30.75 in payments in 2025, mostly food and beverage. Lists Adventist Health Simi Valley as a hospital affiliation.
Overview
| NPI | 1639691579 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 12, 2017 |
| Last updated in NPPES | Jan 8, 2026 |
| Certified by provider | Jan 8, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A173800 | CA |
| Pathology, Clinical Informatics Specialist | 207ZC0008X | A173800 | 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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 5,716 · 13,101 30-day fills |
|---|---|
| Patients | 387 |
| Total drug cost | $517,194 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Clinicas del Camino Real IncOxnard, CA · 99 clinicians
Hospital affiliation
- Adventist Health Simi ValleySimi Valley, CA
Industry payments (Open Payments)
- 2025$30.75 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $30.75 | 1 |
What the 2025 payments were for
- Food and Beverage$30.75 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 internal medicine physicians in Simi Valley · All internal medicine physicians in California