Stephen Tai Chen, M.D.
NPI 1114941382ActiveIndividual· Psychiatry & Neurology, Psychiatry· Los Angeles, CA
Psychiatry & Neurology, Psychiatry (M.D.) in Los Angeles, California, trained at Tufts University School of Medicine (class of 1992). 161 Medicare patients in 2024, $61,306 paid; nearly all of their 284 Part D prescriptions were generic (92%). Astrazeneca Pharmaceuticals LP reported $1,594 in payments in 2024, mostly travel and lodging.
Overview
| NPI | 1114941382 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 27, 2006 |
| Last updated in NPPES | Jul 17, 2024 |
| Certified by provider | Jul 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | G077912 | CA |
| Psychiatry & Neurology, Geriatric Psychiatry | 2084P0805X | G077912 | 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 - Geriatric Psychiatry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 161 |
|---|---|
| Services billed | 727 across 14 procedure codes |
| Paid by Medicare | $61,306 |
Part D prescriptions in 2024
| Prescriptions (claims) | 284 · 331 30-day fills |
|---|---|
| Patients | 70 |
| Total drug cost | $15,752 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Geriatric Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Uc RegentsLos Angeles, CA · 152 clinicians
Hospital affiliation
- Santa Monica - UCLA Med Ctr & Orthopaedic HospitalSanta Monica, CA
Industry payments (Open Payments)
- 2024$1,594 · 11 payments from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $1,594 | 11 |
What the 2024 payments were for
- Travel and Lodging$1,247 · 4 payments
- Food and Beverage$347.10 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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