The Physicians Caste is one of the five High Castes on Gor, the fourth highest of those castes. Their Caste color is green so most Physicians wear green tunics. Though it is not explicit in the books, it seems logical that many medical specialization would form subcastes of the Physician's Caste.

Obstetrics, immunology, pediatrics and such would make valid subcastes. Certain other specializations would not be necessary on Gor so would be unlikely to form subcastes. Dentistry, psychiatry and geriatrics are fields where the need on Gor is low so they are unlikely to form full subcastes. Major cities would have a Cylinder of Physicians as they do in Ar. Though this is not described in any great detail, it appears it would contain a hospital, research laboratories, a library and maybe even living quarters for some Physicians. Each city would also have their own High Council of Physicians to aid in the governance of that caste within the city. Each Physician's Caste, in every different city, is basically autonomous.

But, Physicians from different cities do find ways to interact with each other. The Sardar Fairs, the four major fairs held each year on the plains below the Sardar Mountains, are a spectral place for the Physicians, and other Castes, to meet and share information. Caste conventions may be able to discuss general caste-wide issues. Research can be shared and compared. New discoveries spread across Gor at these fairs. These fairs are very important to the Physician's Caste.

The welfare of the Caste takes priority over the ambitions of specific individuals. The welfare of a larger number of individuals is more important than the welfare of a smaller number of individuals. This is an accepted given when dealing with the vast majority of Goreans.

Unfortunately, Gorean medicine is not depicted in great detail in the novels. In some ways, it is more primitive than Earth medicine. Goreans do not possess computers to help them in diagnosis or research. They do possess though many diagnostic machines that do not use computers. But, in many other ways, Gorean medicine is far more advanced than Earth.

Gor has created potent drugs and serums that Earth only dreams about. And they created them without the aid of computers. Deciding what is permissible and not in Gorean medicine is not always easy due to the dearth of material in the novels on the subject.