David S. Merin, MD
NPI 1811929979ActiveIndividual· Emergency Medicine· Orange, CA
Emergency Medicine (MD) in Orange, California, licensed in CA, with an NPI issued in July 2006. 147 Medicare patients in 2024, $23,253 paid; nearly all of their 127 Part D prescriptions were generic (91%).
Overview
| NPI | 1811929979 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 7, 2006 |
| Last updated in NPPES | Apr 30, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A66968 | 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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 147 |
|---|---|
| Services billed | 224 across 14 procedure codes |
| Paid by Medicare | $23,253 |
Part D prescriptions in 2024
| Prescriptions (claims) | 127 · 131 30-day fills |
|---|---|
| Patients | 98 |
| Total drug cost | $3,351 |
| Generic share | 91% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 181 emergency medicine physicians in Orange · All emergency medicine physicians in California