Pretty straight forward honestly, the medical industry itself is pretty much learn as you move along. Important to learn the EMR systems hospitals have in place an you'll be fine.
Office Administrator applicants have rated the interview process at Mount Sinai Health System with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 63% positive. This is according to Glassdoor user ratings.
Here are the most commonly searched roles for interview reports -