Alyssa Colleen Lyon, M.D.
NPI 1538350996ActiveIndividual· Emergency Medicine· Hammond, LA
Emergency Medicine (M.D.) in Hammond, Louisiana, trained at Louisiana State University School of Medicine in New Orleans (class of 2006). 212 Medicare patients in 2024, $25,050 paid; nearly all of their 739 Part D prescriptions were generic (92%). Astrazeneca Pharmaceuticals LP reported $144.34 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1538350996 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 9, 2007 |
| Last updated in NPPES | Mar 31, 2026 |
| Certified by provider | Mar 31, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | MD.201761 | LA |
| Emergency Medicine, Emergency Medical Services | 207PE0004X | MD.201761 | LA |
| Emergency Medicine, Sports Medicine | 207PS0010X | MD.201761 | LA |
| Student in an Organized Health Care Education/Training Program | 390200000X | PGY.2.LSUN-EMED | 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 | 212 |
|---|---|
| Services billed | 501 across 30 procedure codes |
| Paid by Medicare | $25,050 |
Part D prescriptions in 2024
| Prescriptions (claims) | 739 · 779 30-day fills |
|---|---|
| Patients | 432 |
| Total drug cost | $11,223 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Emergency Medicine |
| Secondary specialties | Sports Medicine |
Medical group
- Ochsner Clinic LLCNew Orleans, LA · 2,864 clinicians
Hospital affiliations
- Ochsner Medical Center AcuteNew Orleans, LA
- St Tammany Parish HospitalCovington, LA
Industry payments (Open Payments)
- 2025$144.34 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $144.34 | 3 |
What the 2025 payments were for
- Food and Beverage$144.34 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other emergency medicine physicians in Hammond
- 1083174817
- 1255502316
- 1295144491
- 1295767218
- 1346272440
- 1366474348
- 1376574921
- 1427218676
- 1467845313
- 1558390310
- 1568491330
- 1912386863
All 37 emergency medicine physicians in Hammond · All emergency medicine physicians in Louisiana