Louisiana Cardiology Associates. Cardiology, Nursing (Nurse Practitioner) • 27 Providers. 7777 Hennessy Blvd Ste 1000, Baton Rouge LA, 70808. Make an Appointment. Show Phone Number. Telehealth services available. Louisiana Cardiology Associates is a medical group practice located in Baton Rouge, LA that specializes in Cardiology and Nursing ....