Jun Yang, M.D.
NPI 1043440084ActiveIndividual· Psychiatry & Neurology, Psychiatry· Alhambra, CA
Psychiatry & Neurology, Psychiatry (M.D.) with Los Angeles County Department of Mental Health, practicing in Alhambra, California. Their prescriptions cost Medicare Part D more than their services did: $825,751 for 8,529 claims, against $86,132 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 4 companies reporting payments in 2025, $1,969 in all, mostly food and beverage.
Overview
| NPI | 1043440084 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 24, 2009 |
| Last updated in NPPES | Nov 28, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | A 108968 | 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 - Psychiatry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 230 |
|---|---|
| Services billed | 1,000 across 9 procedure codes |
| Paid by Medicare | $86,132 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,529 · 10,550 30-day fills |
|---|---|
| Patients | 575 |
| Total drug cost | $825,751 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Psychiatry |
| Secondary specialties | Addiction Medicine |
| Telehealth | Offers telehealth |
Medical group
- Los Angeles County Department of Mental HealthGardena, CA · 282 clinicians
Industry payments (Open Payments)
- 2025$1,969 · 65 payments from 4 companies
- 2024$1,129 · 46 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $600.78 | 30 |
| Siemens Medical Solutions USA, Inc. | $581.96 | 8 |
| Alkermes, Inc. | $569.95 | 17 |
| Abbvie Inc. | $216.24 | 10 |
What the 2025 payments were for
- Food and Beverage$1,554 · 60 payments
- Travel and Lodging$414.59 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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