Sometimes a regular doctor visit for a particular ailment requires a more indepth look at the underlying problem so a primary care physician will referred you to a specialist.
Allergy
Anesthesiology
Audiology
Gastroenterology
Imaging and radiology
Medical equipment and supplies
Neurology
Orthopedics
Orthotics and prosthetics
Physical therapy
Podiatry
Rheumatology
Sleep medicine
Urology
Vascular surgery