William B. Landry III, M.D.
NPI 1689864100ActiveIndividual· Anesthesiology· Slidell, LA
Anesthesiology (M.D.) in Slidell, Louisiana, trained at Tulane University School of Medicine (class of 2006). Medicare paid $14,594 for services to 230 patients in 2024. Merck Sharp & Dohme LLC reported $21.59 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1689864100 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 31, 2007 |
| Last updated in NPPES | Jan 12, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | MD.201686 | LA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Anesthesiology (FL); Practitioner - Anesthesiology (LA); Practitioner - Anesthesiology (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 230 |
|---|---|
| Services billed | 271 across 53 procedure codes |
| Paid by Medicare | $14,594 |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Anesthesiology |
Medical groups
- Capital Anesthesia Solutions of Florida II, LLCNaples, FL · 355 clinicians
- Childrens Hospital Anesthesia CorporationMarrero, LA · 281 clinicians
- Singing River GulfportGulfport, MS · 79 clinicians
- Galleria Anesthesia Associates, LLCCovington, LA · 35 clinicians
Hospital affiliations
- Ascension Sacred Heart BayPanama City, FL
- Memorial Hospital at GulfportGulfport, MS
- Singing River GulfportGulfport, MS
- Singing River Health SystemPascagoula, MS
Industry payments (Open Payments)
- 2025$21.59 · 1 payment from 1 company
- 2024$137.24 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $21.59 | 1 |
What the 2025 payments were for
- Food and Beverage$21.59 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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