Jenny Jun
NPI 1285044925ActiveIndividual· Internal Medicine, Rheumatology· Los Angeles, CA
Internal Medicine, Rheumatology in Los Angeles, California, trained at Warren Alpert Medical School of Brown University (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $542,861 for 455 claims, against $18,544 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 2 companies reporting payments in 2025, $52.96 in all, mostly food and beverage.
Overview
| NPI | 1285044925 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | May 3, 2014 |
| Last updated in NPPES | Nov 23, 2020 |
| Certified by provider | Nov 23, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | A141746 | 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 - Rheumatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 101 |
|---|---|
| Services billed | 218 across 16 procedure codes |
| Paid by Medicare | $18,544 |
Part D prescriptions in 2024
| Prescriptions (claims) | 455 · 765 30-day fills |
|---|---|
| Patients | 104 |
| Total drug cost | $542,861 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | Warren Alpert Medical School of Brown University |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Rheumatology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Usc Care Medical Group IncLos Angeles, CA · 1,380 clinicians
Hospital affiliations
- Keck Hospital of UscLos Angeles, CA
- Los Angeles General Medical CenterLos Angeles, CA
Industry payments (Open Payments)
- 2025$52.96 · 2 payments from 2 companies
- 2024$211.80 · 11 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $31.27 | 1 |
| Abbvie Inc. | $21.69 | 1 |
What the 2025 payments were for
- Food and Beverage$52.96 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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