Mark Peal Posner, M.D.
NPI 1255391660ActiveIndividual· Urology· Baton Rouge, LA
Urology (M.D.) in Baton Rouge, Louisiana, trained at Louisiana State University School of Medicine in Shreveport (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $484,886 for 5,867 claims, against $198,965 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $620.36 in all, mostly food and beverage.
Overview
| NPI | 1255391660 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 28, 2006 |
| Last updated in NPPES | May 28, 2025 |
| Certified by provider | May 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 020169 | 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 - Urology (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 699 |
|---|---|
| Services billed | 10,649 across 91 procedure codes |
| Paid by Medicare | $198,965 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,867 · 12,581 30-day fills |
|---|---|
| Patients | 1,128 |
| Total drug cost | $484,886 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in Shreveport |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Urology |
Medical groups
- Our Lady of the Lake Physician Group LLCBaton Rouge, LA · 644 clinicians
- Baton Rouge Urology Group APMCBaton Rouge, LA · 8 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$620.36 · 33 payments from 13 companies
- 2024$891.39 · 43 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $186.87 | 12 |
| Urogen Pharma, Inc. | $86.82 | 2 |
| Janssen Biotech, Inc. | $76.92 | 4 |
| Pfizer Inc. | $54.73 | 3 |
| Astellas Pharma US Inc | $43.05 | 2 |
What the 2025 payments were for
- Food and Beverage$620.36 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 urologists in Baton Rouge · All urologists in Louisiana