The Gamma HMO HMO is affiliated with the following health facilities.
Abbott Hospital
Afikpo, Ebonyi
Abshire Hospital
Kumo, Gombe
Ankunding Hospital
Mgbidi, Imo
Armstrong Hospital
Benin City, Edo
Bailey Hospital
Isiala Ngwa, Abia
Balistreri Hospital
Nasarawa, Nasarawa
Bashirian Hospital
Biu, Borno
Batz Hospital
Suleja, Niger
Bauch Hospital
Sagbama, Bayelsa
Bauch Hospital
Hadejia, Jigawa