What is the mailing address for osf healthcare system home office? The mailing address for Osf Healthcare System Home Office is 800 Ne Glen Oak Ave, , Peoria, Illinois - 61603-3255 (mailing address contact number - --).What is the npi number for osf hospital? Osf Healthcare System Home Office, also known as Osf Healthcare System, is a General Acute Care Hospital in Peoria, Illinois. The NPI Number for Osf Healthcare System Home Office is 1477671592.How do i find an osf medical group provider? You may visit the OSF Medical Group locations directory for locations, maps, phone numbers, and additional office information. To find an OSF Medical Group provider, please explore our Provider Directory or contact our Access Center at (844) 673-2778.What does osf healthcare do? OSF HealthCare operates an extensive network of home health services; owns PointCore, Inc., comprised of health care-related businesses; and OSF HealthCare Foundation, the philanthropic arm for the organization. More at www.osfhealthcare.org.