Marshall S St Amant, MD
Marshall S St Amant, MD is an Obstetrics/Gynecology in Baton Rouge, Louisiana. Graduated from Louisiana State University School of Medicine in New Orleans in 1984, 42 years ago. Practices with Lsuhn Billing LLC, a 199-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Louisiana and Virginia.
- Years since qualifying
- 42
- Trained at
- Louisiana State University School of Medicine in New Orleans
- Licensed in
- LA, VA
- In the registry since
- 2005
- Specialties on file
- 2
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
100 Womans WayBaton Rouge, LA 70817-5100
Phone: (225) 924-8338
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (4)
- 9000 Airline Hwy, Baton Rouge, LA 70815-4114 — (225) 924-8338
- 4630 Ambassador Caffery Pkwy Ste 204, Lafayette, LA 70508-6949 — (337) 470-4653
- 4600 Ambassador Caffery Pkwy, Lafayette, LA 70508-6902 — (337) 521-9100
- 309 Jackson St, Monroe, LA 71201-7407 — (318) 966-4000
Specialties & licences
| Maternal & Fetal Medicine Physician (primary) | Taxonomy 207VM0101X · Licence 017767 (LA) |
|---|---|
| Maternal & Fetal Medicine Physician | Taxonomy 207VM0101X · Licence 0101288138 (VA) |
Record details
| NPI number | 1649279969 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | July 19, 2005 |
| Last updated in NPPES | February 16, 2026 |
| Certification date | February 16, 2026 |
Medicare enrollment
| Medicare specialty | OBSTETRICS/GYNECOLOGY |
|---|---|
| Medical school | LOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS |
| Graduated | 1984 (42 years in practice) |
| Group practice | Lsuhn Billing Llc — 199 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Practice locations | 4 on file with Medicare |
Other providers in Baton Rouge
-
Dr. Albert Lewie Diket, MD
100 Womans Way, Baton Rouge, LA 70817-5100 · (225) 924-8338
-
Mark G Newman, MD
9000 Airline Hwy Ste 370, Baton Rouge, LA 70815-4114 · (225) 924-8338
-
Dr. Pamela M Simmons, DO
100 Womans Way, Baton Rouge, LA 70817-5100 · (225) 924-8338
-
Charles M Stedman, MD
9000 Airline Hwy Ste 370, Baton Rouge, LA 70815-4114 · (225) 924-8338
-
Woman's Maternal Fetal Medicine
9000 Airline Hwy Ste 370, Baton Rouge, LA 70815-4114 · (225) 924-8338