For hospitals you have 4 places with "231 Tank Batallion Nigerian Army Medical Corps", "Hirku Clinic And Maternity Home", "Biu Isolation Centre" for example. About doctors, 4 possibilities exist (like "Yawi Dispensary", "Biu Maternity Hospital").
Are you looking for an apartment for sale/rent? Or interested by a house? You can check that on Nigeria Property Centre.