What kind of doctor sees somebody for muscle cramps?

Start with internist. An internist is a general practitioner. Problem could be caused by medication causing low potassium, not drinking enough fluids, overusage of muscles, a muscle disease such as pmr etc. If internist can't find cause, consider a physiatrist (specialist in entire musculoskeletal system); or rheumatologist (joint and muscle diseases)., generally, drink more water, eat lots potassium rich foods (fruits).

Related Questions

Do doctors see a lot of patients with muscle cramps?

Yes. Cramps are very common but can arise for many different reasons. There are simple treatments once properly diagnosed, but you will have to see a physician to determine your cause. Read more...
Yes. But there's often not a whole lot to do. Stretching and making sure that you ate well hydrated are the most important things. Sometimes blood tests can help determine the cause. Read more...

A fall caused a crack in my kneecap while out-of-town. I waited a week to see the doc. I have extreme muscle cramps in my thigh. Is that a concern?

It could be. The four muscles of the quadriceps the patella, the patellar tendon all the other soft tissues attaching to the patella , the tibial tuberosity form the extensor mechanism, so no surprise if you have some cramps in the leg. The spasm of those muscles could separate the fracture more and increase the injury. Read more...