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<p>Honestly it won’t help really.
First off, I highly doubt he has ever taught you in a course so he won’t know how you are as a student and I don’t think you have lived with him for a prolong period of time so he probably doesn’t know all of your personality (I could be wrong).
Secondly, colleges only formally evaluate the teacher’s rec and counselors rec. Why? Because not everyone has a family member that is a faculty, alumni, or anything else that has ties to the school. Also because only these people have really known your academic capabilities.
Thirdly, he’s an med school faculty he would have little contact with undergrad admissions.</p>