A Gerontologist.
dermatologist
The specialist that deals with feet is called a podiatrist. He/she concentrates on the diagnosis and treatment of disorders of the foot, ankle, and lower leg.
A gastroenterologist is a physician specialist in the treatment of diseases and disorders of the digestive system. A gastroenterologist may also be called a GI specialist (gastrointestinal specialist).
A nephrologist is a specialist in diseases and disorders of the kidney. They are trained in diagnosing and treating conditions such as chronic kidney disease, kidney stones, and kidney failure.
A specialist in nerves is called a neurologist. They diagnose and treat disorders of the nervous system, which includes the brain, spinal cord, and nerves.
A hematologist is a medical specialist who diagnoses and treats disorders of the blood. The hematologist also cares for blood-forming organs.
A physician who studies hearing is called an auditory specialist. An audiologist is a specialist in the disorders of hearing who is not a physician, but has special training in this area.
A hematologist is a specialist who treats diseases and disorders of the blood and blood-forming tissues. They are trained to diagnose and manage conditions such as anemia, leukemia, lymphoma, and bleeding disorders, among others.
A somnologist is someone who specializes in sleep disorders. They study and treatment of sleep disorders and irregularities thus the term for a doctor who studies sleep disorders would be called a somnologist.
A flag specialist is called a vexillologist.
A specialist in musculoskeletal problems is called an orthopedist or orthopedic surgeon. These medical professionals focus on diagnosing, treating, and managing conditions related to bones, joints, ligaments, muscles, and tendons. They may also work with physical therapists and other healthcare providers to develop comprehensive treatment plans for patients.
A myologist is a muscle specialist, but most people wiil see an orthodpedist fro care of bones, joints, or muscles.An orthopedic doctor. If the pain in bones and joints is related to arthritis then the doctor is called a rheumatologist.