Lawrence Gensler MD » Member Directory Go back to directory. Add to Address Book. Lawrence Gensler, MD President 2012- Northlake Gastroenterology Assoc. Work 7015 Hwy. 190 E. Service Rd. #102 Covington LA 70433 work Work Phone: (985) 542-1334work Work Fax: (985) 893-9594workfax Website: Northlake Gastroenterology Assoc. Categories: Uncategorized Updated 6 years ago.