Patient Portals | AMITA Health | Chicago, IL . best www.amitahealth.org. AMITA Health Adventist Medical Center Hinsdale: 8 am-4:30 pm (Mon-Thu) 8 am-4 pm (Fri) 630.856.8510: AMITA Health Adventist Medical Center La Grange: 8 am-4:30 pm (Mon-Thu) 8 am-4 pm (Fri) 708.245.8500: AMITA Health Alexian Brothers Behavioral Health Hospital Hoffman Estates: 8 am-4:30 pm ….