OVAHS is a member of KAMSC (Kimberley Aboriginal Medical Services Council) KAMSC is governed by Board members from OVAHS, and three other Kimberley ACCHS: Derby Aboriginal Health Service, Yura Yungi Medical Service and Jurrugk Aboriginal Health Service. The role of KAMSC is to service the ACCHS providing accounting, IT and as invited support in providing health services.

OVAHS is a member of AHCWA and NACCHO.