Yijun Chen, M.D.
NPI 1285860023ActiveIndividual· Surgery· Los Angeles, CA
Surgery (M.D.) with UCLA Associated General Surgeons, practicing in Los Angeles, California. Mostly services rather than prescriptions: Medicare paid $59,759 for 199 patients in 2024, with only 28 Part D claims. Ethicon Inc. was the largest of 4 companies reporting payments in 2025, $624.65 in all, mostly food and beverage. Lists Ronald Reagan UCLA Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1285860023 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 8, 2009 |
| Last updated in NPPES | Dec 23, 2019 |
| Certified by provider | Dec 23, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | A109682 | 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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 199 |
|---|---|
| Services billed | 255 across 29 procedure codes |
| Paid by Medicare | $59,759 |
Part D prescriptions in 2024
| Prescriptions (claims) | 28 · 43 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $2,620 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | General Surgery |
| Telehealth | Offers telehealth |
Medical group
- UCLA Associated General SurgeonsLos Angeles, CA · 46 clinicians
Hospital affiliations
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- Santa Monica - UCLA Med Ctr & Orthopaedic HospitalSanta Monica, CA
Industry payments (Open Payments)
- 2025$624.65 · 7 payments from 4 companies
- 2024$878.70 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ethicon Inc. | $246.11 | 2 |
| Novo Nordisk Inc | $140.53 | 2 |
| Phathom Pharmaceuticals, Inc. | $123.26 | 1 |
| Medtronic, Inc. | $114.75 | 2 |
What the 2025 payments were for
- Food and Beverage$624.65 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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