The Opal Assurance HMO is affiliated with the following health facilities.
Balistreri Hospital
Ogoja, Cross River
Barton Hospital
Offa, Kwara
Batz Hospital
Ijebu-Ode, Ogun
Boyle Hospital
Owo, Ondo
Cartwright Hospital
Sokoto, Sokoto
Cartwright Hospital
Chimmola, Sokoto
Cole Hospital
Katsina, Katsina
Collins Hospital
Birnin Kebbi, Kebbi
Considine Hospital
Owerri, Imo
Crooks Hospital
Umuahia, Abia