The most reliable way is to ask people who live in the neighborhood if they have a doctor they would like to recommend.
The time frame can be narrowed down somewhat from the symptom history (your first outbreak) but without a previous negative test it is not usually possible to narrow it down below a year or more.
To help people who can't eat get proteins and carbohydrates. In Ghana we call it drip. Answer
There are different reasons why some people have to be fed intravenously, but most commonly it is when they are physically unable to eat. They may be unable to breathe properly without a ventilator, be unconscious or in a coma. A difficulty in the digestive system would also require a person to be fed through an IV.
Nurses frequently assist in answering questions, but physicians should obtain consent personally from their patients.