David Allen Welsh, MD
NPI 1265455232ActiveIndividual· Internal Medicine, Pulmonary Disease· New Orleans, LA
Internal Medicine, Pulmonary Disease (MD) in New Orleans, Louisiana, trained at University of Washington School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $67,363 for 235 claims, against $14,135 paid for services in 2024. Insmed, Inc. was the largest of 2 companies reporting payments in 2025, $58.47 in all, mostly food and beverage.
Overview
| NPI | 1265455232 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 25, 2006 |
| Last updated in NPPES | Dec 30, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 11063R | 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 - Pulmonary Disease (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 75 |
|---|---|
| Services billed | 197 across 22 procedure codes |
| Paid by Medicare | $14,135 |
Part D prescriptions in 2024
| Prescriptions (claims) | 235 · 249 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $67,363 |
| Generic share | 36% of claims |
Education and affiliations
| Medical school | University of Washington School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
Medical groups
- Ochsner Clinic LLCNew Orleans, LA · 2,864 clinicians
- Louisiana State University School of Medicine in New Orleans Faculty GNew Orleans, LA · 447 clinicians
Hospital affiliations
- Ochsner Medical Center AcuteNew Orleans, LA
- Ochsner Medical Center-KennerKenner, LA
- University Medical Center New OrleansNew Orleans, LA
Industry payments (Open Payments)
- 2025$58.47 · 2 payments from 2 companies
- 2024$24.39 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Insmed, Inc. | $33.76 | 1 |
| Genzyme Corporation | $24.71 | 1 |
What the 2025 payments were for
- Food and Beverage$58.47 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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