Maury Keesler Morrison, M.D.
NPI 1356334213ActiveIndividual· Internal Medicine, Gastroenterology· Alexandria, LA
Internal Medicine, Gastroenterology (M.D.) in Alexandria, Louisiana, trained at Louisiana State University School of Medicine in New Orleans (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $1,806,161 for 1,849 claims, against $213,311 paid for services in 2024. Abbvie Inc. was the largest of 18 companies reporting payments in 2025, $2,851 in all, mostly food and beverage.
Overview
| NPI | 1356334213 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 25, 2005 |
| Last updated in NPPES | Feb 10, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 020642 | 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 - Gastroenterology (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 819 |
|---|---|
| Services billed | 2,060 across 53 procedure codes |
| Paid by Medicare | $213,311 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,849 · 2,548 30-day fills |
|---|---|
| Patients | 356 |
| Total drug cost | $1,806,161 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Gastroenterology |
Medical group
- Alexandria Gastrointestinal Specialists, LLCAlexandria, LA · 4 clinicians
Hospital affiliations
- Christus Central Louisiana Surgical HospitalAlexandria, LA
- Christus St Frances Cabrini HospitalAlexandria, LA
- Lasalle General HospitalJena, LA
- Rapides Regional Medical CenterAlexandria, LA
- Riverland Medical CenterFerriday, LA
Industry payments (Open Payments)
- 2025$2,851 · 166 payments from 18 companies
- 2024$2,406 · 156 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $668.46 | 47 |
| Janssen Biotech, Inc. | $563.29 | 27 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $300.12 | 19 |
| Ardelyx, Inc. | $297.72 | 16 |
| Madrigal Pharmaceuticals | $178.70 | 13 |
What the 2025 payments were for
- Food and Beverage$2,851 · 166 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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