Lawrence D. Mazur, DO
NPI 1518015585ActiveIndividual· Emergency Medicine· Riverside, CA
Emergency Medicine (DO) in Riverside, California, licensed in CA, with an NPI issued in January 2007. Their prescriptions cost Medicare Part D more than their services did: $2,786 for 129 claims, against $1,377 paid for services in 2024.
Overview
| NPI | 1518015585 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jan 8, 2007 |
| Last updated in NPPES | Dec 2, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 20A5837 | 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 | 16 |
|---|---|
| Services billed | 16 across 3 procedure codes |
| Paid by Medicare | $1,377 |
Part D prescriptions in 2024
| Prescriptions (claims) | 129 · 134 30-day fills |
|---|---|
| Patients | 96 |
| Total drug cost | $2,786 |
| Generic share | 85% 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 108 emergency medicine physicians in Riverside · All emergency medicine physicians in California