William G. Plunkett, MD
NPI 1871553016ActiveIndividual· Internal Medicine· Hammond, LA
Internal Medicine (MD) in Hammond, Louisiana, trained at Eastern Virginia Medical School (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $1,896,259 for 20,252 claims, against $25,967 paid for services in 2024. Abbvie Inc. was the largest of 20 companies reporting payments in 2025, $688.35 in all, mostly food and beverage.
Overview
| NPI | 1871553016 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 23, 2006 |
| Last updated in NPPES | Dec 30, 2022 |
| Certified by provider | Dec 30, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD.07053R | LA |
| Internal Medicine | 207R00000X | 2006-00034 | NC |
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 | 182 |
|---|---|
| Services billed | 836 across 14 procedure codes |
| Paid by Medicare | $25,967 |
Part D prescriptions in 2024
| Prescriptions (claims) | 20,252 · 35,864 30-day fills |
|---|---|
| Patients | 1,136 |
| Total drug cost | $1,896,259 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Eastern Virginia Medical School |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Internal Medicine |
Medical group
- North Oaks Medical Center LLCHammond, LA · 320 clinicians
Hospital affiliation
- North Oaks Medical CenterHammond, LA
Other facilities
- Modern Home Health, IncHome health agency · Hammond, LA
Industry payments (Open Payments)
- 2025$688.35 · 38 payments from 20 companies
- 2024$430.39 · 22 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $120.19 | 7 |
| Lilly USA, LLC | $85.72 | 5 |
| Abbott Laboratories | $69.31 | 3 |
| Novo Nordisk Inc | $66.32 | 3 |
| Radius Health, Inc. | $44.86 | 2 |
What the 2025 payments were for
- Food and Beverage$688.35 · 38 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