Andrew P. Mayer, MD
NPI 1609862416ActiveIndividual· Emergency Medicine· Marrero, LA
Emergency Medicine (MD) in Marrero, Louisiana, licensed in LA, with an NPI issued in September 2005. 184 Medicare patients in 2024, $27,871 paid; nearly all of their 459 Part D prescriptions were generic (96%). Pfizer Inc. reported $20.43 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1609862416 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 27, 2005 |
| Last updated in NPPES | Jan 6, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 019097 | LA |
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 (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 184 |
|---|---|
| Services billed | 213 across 16 procedure codes |
| Paid by Medicare | $27,871 |
Part D prescriptions in 2024
| Prescriptions (claims) | 459 · 471 30-day fills |
|---|---|
| Patients | 267 |
| Total drug cost | $3,825 |
| Generic share | 96% of claims |
Industry payments (Open Payments)
- 2025$20.43 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $20.43 | 1 |
What the 2025 payments were for
- Food and Beverage$20.43 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 emergency medicine physicians in Marrero · All emergency medicine physicians in Louisiana