Lambert Mark Laperouse Jr., M.D.
NPI 1609077619ActiveIndividual· Emergency Medicine· Baton Rouge, LA
Emergency Medicine (M.D.) in Baton Rouge, Louisiana, trained at Medical University of South Carolina College of Medicine (class of 2007). Mostly services rather than prescriptions: Medicare paid $12,587 for 97 patients in 2024, with only 49 Part D claims. Atricure, Inc. was the largest of 3 companies reporting payments in 2025, $161.87 in all, mostly food and beverage.
Overview
| NPI | 1609077619 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 29, 2007 |
| Last updated in NPPES | Jul 7, 2026 |
| Certified by provider | Jul 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | MD206052 | LA |
| Emergency Medicine | 207P00000X | TRN11194 | FL |
| Hospitalist | 208M00000X | 206052 | 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 | 97 |
|---|---|
| Services billed | 133 across 10 procedure codes |
| Paid by Medicare | $12,587 |
Part D prescriptions in 2024
| Prescriptions (claims) | 49 · 49 30-day fills |
|---|---|
| Patients | 38 |
| Total drug cost | $691.38 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Medical University of South Carolina College of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Emergency Medicine |
| Secondary specialties | Undersea And Hyperbaric Medicine |
Medical groups
- Our Lady of the Lake Physician Group LLCBaton Rouge, LA · 644 clinicians
- Professional Emergency Physician Associates, LLCBaton Rouge, LA · 79 clinicians
- Ascension Emergency Physicians, LLCGonzales, LA · 8 clinicians
Hospital affiliation
- Our Lady of the Lake Regional Medical CenterBaton Rouge, LA
Industry payments (Open Payments)
- 2025$161.87 · 3 payments from 3 companies
- 2024$1,637 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Atricure, Inc. | $112.08 | 1 |
| Astrazeneca Pharmaceuticals LP | $28.23 | 1 |
| Mimedx Group, Inc. | $21.56 | 1 |
What the 2025 payments were for
- Food and Beverage$161.87 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 183 emergency medicine physicians in Baton Rouge · All emergency medicine physicians in Louisiana