Margaret Laughlin Winkler, MD
NPI 1457362147ActiveIndividual· Internal Medicine· Hammond, LA
Internal Medicine (MD) in Hammond, Louisiana, trained at Louisiana State University School of Medicine in New Orleans (class of 1970). Their prescriptions cost Medicare Part D more than their services did: $949,275 for 10,502 claims, against $93,615 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 7 companies reporting payments in 2025, $394.04 in all, mostly food and beverage.
Overview
| NPI | 1457362147 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 10, 2006 |
| Last updated in NPPES | May 27, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 011363 | 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 - Internal Medicine (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 109 |
|---|---|
| Services billed | 1,540 across 23 procedure codes |
| Paid by Medicare | $93,615 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,502 · 15,252 30-day fills |
|---|---|
| Patients | 321 |
| Total drug cost | $949,275 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 1970 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Hood Memorial HospitalAmite, LA
- North Oaks Medical CenterHammond, LA
Other facilities
- Modern Home Health, IncHome health agency · Hammond, LA
- Stat Home Health TritonHome health agency · Hammond, LA
Industry payments (Open Payments)
- 2025$394.04 · 22 payments from 7 companies
- 2024$490.82 · 26 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $231.85 | 13 |
| Pfizer Inc. | $55.34 | 3 |
| Abbvie Inc. | $31.01 | 2 |
| Scilex Pharmaceuticals Inc. | $20.88 | 1 |
| Novo Nordisk Inc | $19.97 | 1 |
What the 2025 payments were for
- Food and Beverage$394.04 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 32 internal medicine physicians in Hammond · All internal medicine physicians in Louisiana