David Chen, MD
NPI 1023016896ActiveIndividual· General Practice· Santa Ana, CA
General Practice (MD) with Garfield Health Center, practicing in Santa Ana, California. Their prescriptions cost Medicare Part D more than their services did: $470,133 for 4,718 claims, against $1,921 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. reported $16.40 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1023016896 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 14, 2005 |
| Last updated in NPPES | Jun 27, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | A78258 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 12 |
|---|---|
| Services billed | 22 across 6 procedure codes |
| Paid by Medicare | $1,921 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,718 · 7,941 30-day fills |
|---|---|
| Patients | 379 |
| Total drug cost | $470,133 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1979 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- Garfield Health CenterMonterey Park, CA · 5 clinicians
Industry payments (Open Payments)
- 2025$16.40 · 1 payment from 1 company
- 2024$42.08 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $16.40 | 1 |
What the 2025 payments were for
- Food and Beverage$16.40 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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