There are almost no medical specialists that do not perform biopsies. They are performed by primary care providers, dermatologists, gastroenterologists, proctologists, urologists, gynecologists, and a host of others.
A vocal specialist is called a Speech Therapist
Colonoscopies may be performed by a GI specialist and may also be done by a general surgeon.
A specialist in the excretory system is called a nephrologist. They are medical doctors who specialize in the diagnosis and treatment of kidney-related conditions.
Epidemiology is the study of factors affecting the health and illness of populations. The specialist is called an epidemiologist.
A hematologist is a medical specialist who diagnoses and treats disorders of the blood. The hematologist also cares for blood-forming organs.
A leg specialist doctor is called an orthopedic surgeon or an orthopedist. They are medical professionals who specialize in treating injuries, diseases, and conditions related to the musculoskeletal system, including the legs.
A person who performs postmortem examinations is called a forensic pathologist or a medical examiner. They are trained to investigate the cause of death by examining the deceased's body and conducting autopsies.
Liver biopsies are sometimes called percutaneous liver biopsies, because the tissue sample is obtained by going through the patient's skin.
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 person who performs a specific type of job is commonly referred to as a "professional" or "worker." The term can vary based on the job's nature, such as "technician," "specialist," or "artisan." Each designation reflects the skills and responsibilities associated with that particular role.
A flag specialist is called a vexillologist.
An instrument used to examine the interior of a body part in medical terminology is called an "endoscope." Endoscopes are commonly used in procedures to visualize the gastrointestinal tract, respiratory system, and other internal structures. They can also have various attachments for taking biopsies or performing surgical interventions.