Frelon,
My GP (in France) is an approved Aviation Medical Examiner and only charges 30€ for a Class 2 Medical Exam (unfortunately no longer acceptable by CAA, for whatever reason).
Yes, this is what your GP in France charges you directly for the DGAC Class 2 Medical..... however, I recall that the Bloodwork/ECG and his time/consultation are charged to your Carte-Vital and Assurance Privee? At least this is what happened with myself before last year when the French Class 2 was still acceptable for JAA-PPLs.
Regards SD..