Jefferson Chamber of Commerce Ochsner Medical Center - Westbank Share: Hospitals / Medical ServicesMedical / Surgery Ochsner Medical Center - Westbank Visit Website 2500 Belle Chasse Hwy. Gretna, LA 70056 (504) 391-5128 (504) 391-5498 (fax) Map What's Nearby? Distance: 5 10 15 20 25 50 mi.