Gregory Duplechain, M.D.
NPI 1083683601ActiveIndividual· Otolaryngology· Lafayette, LA
Otolaryngology (M.D.) in Lafayette, Louisiana, trained at Louisiana State University School of Medicine in New Orleans (class of 1989). 306 Medicare patients in 2024, $60,482 paid; nearly all of their 236 Part D prescriptions were generic (97%). Genzyme Corporation reported $113.68 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1083683601 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 16, 2006 |
| Last updated in NPPES | Jan 17, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 020465 | 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 - Otolaryngology (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 306 |
|---|---|
| Services billed | 902 across 53 procedure codes |
| Paid by Medicare | $60,482 |
Part D prescriptions in 2024
| Prescriptions (claims) | 236 · 315 30-day fills |
|---|---|
| Patients | 113 |
| Total drug cost | $5,047 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Otolaryngology |
Medical group
- Acadiana Otolaryngology Head and Neck Surgery LLCLafayette, LA · 4 clinicians
Hospital affiliations
- Ochsner Lafayette General Medical CenterLafayette, LA
- Our Lady of Lourdes Regional Medical Center, IncLafayette, LA
- Park Place Surgical HospitalLafayette, LA
Industry payments (Open Payments)
- 2025$113.68 · 4 payments from 1 company
- 2024$63.63 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $113.68 | 4 |
What the 2025 payments were for
- Food and Beverage$113.68 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 otolaryngologists in Lafayette · All otolaryngologists in Louisiana