Here's what I found related to your query, the Grand Chapter (I guess that what it's called) website for Louisiana is:
http://www.laoes.org/ under the list of Louisiana chapters it gives the following information as to locations:
BATON ROUGE
Baton Rouge Chapter #163
2nd & 4th Tuesdays
Place=3950 Florida Blvd
Baton Rouge
Central Star Chapter #23
1st & 3rd Tuesdays
Dinner 6:30 PM - Meeting 7:30 PM
Place=11525 Sullivan Rd in Central
Tel - 225-261-2052
Baton Rouge, La. 70818
Istrouma Chapter #162
1st & 3rd Thursday
Place=14598 Florida Blvd
Baton Rouge
Myrtle Celeste Chapter 231
2nd & 4th Fridays
Place=14598 Florida Blvd
Baton Rouge