About N Paul Landreneau Jr MD: Established in 1999, N Paul Landreneau JR MD is located at 427 Heymann Blvd in Lafayette, LA - Lafayette County and is a business listed in the categories Physicians & Surgeons Family Practice, Physicians & Surgeons, Physicians & Surgeons Family & General Practice, Physicians & Surgeons Osteopathic Family & General Practice, Offices And Clinics Of Doctors Of ....