Oleana Naomi Lamendola, M.D.
NPI 1225220627ActiveIndividual· Internal Medicine, Gastroenterology· Baton Rouge, LA
Internal Medicine, Gastroenterology (M.D.) with Texas Digestive Disease Consultants, PLLC and 1 other group, practicing in Baton Rouge, Louisiana. Their prescriptions cost Medicare Part D more than their services did: $306,047 for 752 claims, against $85,383 paid for services in 2024. Gilead Sciences, Inc. was the largest of 9 companies reporting payments in 2025, $649.66 in all, mostly food and beverage. Lists Baton Rouge General Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1225220627 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 10, 2007 |
| Last updated in NPPES | Mar 3, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD.201687 | LA |
| Internal Medicine | 207R00000X | MD.201687 | 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 - Gastroenterology (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 267 |
|---|---|
| Services billed | 4,302 across 56 procedure codes |
| Paid by Medicare | $85,383 |
Part D prescriptions in 2024
| Prescriptions (claims) | 752 · 1,373 30-day fills |
|---|---|
| Patients | 329 |
| Total drug cost | $306,047 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical groups
- Texas Digestive Disease Consultants, PLLCFlower Mound, TX · 608 clinicians
- Lsuhn Billing LLCLafayette, LA · 206 clinicians
Hospital affiliations
- Baton Rouge General Medical CenterBaton Rouge, LA
- Our Lady of the Lake Regional Medical CenterBaton Rouge, LA
- Womans HospitalBaton Rouge, LA
Industry payments (Open Payments)
- 2025$649.66 · 45 payments from 9 companies
- 2024$350.69 · 19 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $179.18 | 15 |
| Abbvie Inc. | $176.43 | 13 |
| Pfizer Inc. | $77.35 | 5 |
| Ipsen Biopharmaceuticals, Inc | $62.77 | 3 |
| Genzyme Corporation | $53.16 | 3 |
What the 2025 payments were for
- Food and Beverage$649.66 · 45 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 52 gastroenterologists in Baton Rouge · All gastroenterologists in Louisiana