A rheumatologist is a medical doctor trained in treating diseases of joints, bones, and soft tissues, including muscles.
Cardiologist
The type of medical doctor that specializes in the digestive system is called a gastroenterologist. he also deals with gastrology
If your doctor suspects you may have gallstones, you may be referred to a doctor who specializes in the digestive system (gastroenterologist) or to an abdominal surgeon
an athleteic docter
neurologists
A neurologist, specifically a neurologist that specializes in movement disorders.
An endocrinologist specializes in hormone replacement therapy.
An 'Oncologist' specializes in tumours.
There is no one type of specialist who treats only muscles. The specialist would depend on the cause of the muscle problem. Rheumatologists, orthopedists, and neurologists may all treat conditions which affect the muscles.
Histologist
Muscle Cancer
What type of bone is the skull? Cheers.