You can discover a lot of interesting information from going on a tour of a medical facility. Check to see if Krabi Hospital is open to the public while you're in the area.
You're spoiled for sightseeing choice when visiting Downtown Krabi. Krabi Hospital is a great place to start here, but there are lots of other fine places to discover. Khao Khanap Nam, Wat Kaew Korawaram and Walking Street are not far from the health care institution and will round out your day nicely.