A hepatologist specializes in diseases of the liver.
Hepatitis is typically treated by gastroenterologists or, if infectious hepatitis, by infectious disease specialists.
A skin specialist is a "dermatologist".
CirrhosisCirrhosis
A vocal specialist is called a Speech Therapist
A neonatologist is a specialist in the care of newborns.
A neonatologist is a specialist in the care of the newborn.
A gerontologist is a specialist in the treatment of the elderly.
Myologist is the term meaning specialist in the study of muscles, but an orthopedist is the typical specialist physician who treats muscle problems.
neurologist
A cardiologist.
Otolaryngologist
An Obstetrician or midwife.
Orthopedist