First off, get over the GF if you can but I don't think that is your problem so I would get checked out anyway. Go to a clinic first because sometimes you can ask the doc you are seeing there if he/she will take you as a patient and sometimes they will, that is how we do it here anyway when the list of accepting DR's is low plus the clinics here carry a list of DR's that are accepting new patients. Note if you don't like the DR you see there wait till your next visit in hopes to find another you are more comfortable with at the clinic if you are not in a real serious medical state that is. Also look at rateyourmd site to see if you can locate DR's accepting and you can also see their patient/DR relationship ratings and hopefully find one that is said to be great. This is not a proven guarentee of course but a good one shows high and how could you go wrong if lots post possitively about him/her.
I am not sure I would start off with telling a doctor that my pain is from emotional stress, They tend to tell you to go home and sleep it off then, let the Doc do a full medical work over in the medical way first and see if there is a real medical problem. Stress as far as I know does not usually show physical bumps but ya never know, still let the doc tell you what it is and yet don't deny if asked if stress is your main problem because maybe he/she will have decided on their own that it could be such by then.