Lauren Zatarain, M.D.
NPI 1194916650ActiveIndividual· Internal Medicine, Hematology & Oncology· Baton Rouge, LA
Internal Medicine, Hematology & Oncology (M.D.) with Mary Bird Perkins Cancer Center, practicing in Baton Rouge, Louisiana. Their prescriptions cost Medicare Part D more than their services did: $4,179,845 for 2,179 claims, against $1,103,640 paid for services in 2024. Janssen Biotech, Inc. was the largest of 9 companies reporting payments in 2025, $524.09 in all, mostly food and beverage. Lists Baton Rouge General Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1194916650 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 8, 2007 |
| Last updated in NPPES | May 21, 2021 |
| Certified by provider | May 21, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | MD.202186 | 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 - Hematology/Oncology (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 267 |
|---|---|
| Services billed | 55,075 across 101 procedure codes |
| Paid by Medicare | $1,103,640 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,179 · 3,098 30-day fills |
|---|---|
| Patients | 306 |
| Total drug cost | $4,179,845 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Mary Bird Perkins Cancer CenterBaton Rouge, LA · 100 clinicians
Hospital affiliations
- Baton Rouge General Medical CenterBaton Rouge, LA
- Our Lady of the Lake Regional Medical CenterBaton Rouge, LA
- Womans HospitalBaton Rouge, LA
Other facilities
- Amedisys Home HealthHome health agency · Baton Rouge, LA
Industry payments (Open Payments)
- 2025$524.09 · 19 payments from 9 companies
- 2024$600.52 · 15 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $158.04 | 2 |
| Daiichi Sankyo Inc. | $119.78 | 5 |
| Celgene Corporation | $57.89 | 3 |
| Pfizer Inc. | $57.82 | 3 |
| Abbvie Inc. | $46.09 | 2 |
What the 2025 payments were for
- Food and Beverage$524.09 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 43 hematologist-oncologists in Baton Rouge · All hematologist-oncologists in Louisiana