David C. Treen Jr., M.D.
NPI 1235152828ActiveIndividual· Surgery· Marrero, LA
Surgery (M.D.) in Marrero, Louisiana, trained at Tulane University School of Medicine (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $37,573 for 169 claims, against $10,224 paid for services in 2024. Intuitive Surgical, Inc. reported $798.09 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1235152828 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 25, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 017991 | 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 - General Surgery (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 36 |
|---|---|
| Services billed | 52 across 13 procedure codes |
| Paid by Medicare | $10,224 |
Part D prescriptions in 2024
| Prescriptions (claims) | 169 · 212 30-day fills |
|---|---|
| Patients | 62 |
| Total drug cost | $37,573 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | General Surgery |
Hospital affiliations
- East Jefferson General HospitalMetairie, LA
- Omega Hospital, LLCMetairie, LA
- West Jefferson Medical CenterMarrero, LA
Industry payments (Open Payments)
- 2025$798.09 · 4 payments from 1 company
- 2024$348.60 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $798.09 | 4 |
What the 2025 payments were for
- Food and Beverage$445.98 · 2 payments
- Travel and Lodging$352.11 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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