1. That is a matter of personal training and style.
The doctor you describe is more conveyor belt, not wanting to take the time to get you relaxed, have you cooperate, deal with any issues, etc.;
2. You have to ask around, to put it frankly. Find out which GI docs have a patient centered reputation..call the medicine department head offices at university or teaching hospitals, or any hospital, and ask this question...easiest and best way to find out.
3. you are talking bout the pill cam I take it, and this is not very useful for follow up colonoscopies, and is not proven to be as good for screening. You can not remove a polyp with this technology. It would be the practitioner, once again, not "the hospital" that does this...same person to contact, same question.
You might not even have to leave the hospital system you are in..just find the right doc.
Call the department head.
Let me know if you have further questions, details or need clarification, just use reply.......
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