I take Umm Sequem Rd. exit. Go past the Lulus and then take the first right hand turn. Go down and turn left just before the big bank (Emirates NBD?), then there is a dirt track on the rhs, take that and it's on your left. There's a really big local school on your right. HTH
you could take either the moe exit or hessa street exit. Hessa will involve a u turn under the flyover.
Hessa St is closer to ASD and Saudi German Hospital if that helps although the MOE exit loops around the back anyway.