I've heard there are companies that hire pathologists to do it. Does anyone know what the job is like?
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Do you mean what does a locum tenens pathologist do? Usually you fill in and do service work at a place that needs a pathologist. Covering frozens, reading out biopsies, handling lab issues, etc, everything a practicing pathologist does. Different situations will have different responsibilities. Usually it is coverage when a small group (or solo practice) has someone go on vacation and they need coverage.
What is it like in real world? How long are the jigs and how much you get pay for them? What kind of contracts do you sign with the locum tenens company? What skills are sought after? Is the travel/lodging cost covered? Do you know of anyone who made a career out of that?