BEG, you may not have the same issue, but what I have are bone spurs in both feet and ankles. If the heel pain is on the bottom inside of the foot, between the heel and ball of the foot, and feels like your foot is being torn apart, it could be spurs. It's usually really bad first thing in the morning, if I haven't been using my orthotics.
I have to use custom orthotics at all times, or I end up crippled. I cannot run, jump, or otherwise "impact" my feet......ever. However, walking, backpacking and other "like" activities are actually good for my condition.
You might be able to use the Dr Sholls (if you need ortho's) or go to the Good Feet store and be fitted.