UC San Diego medical?

Does the University of California, San Diego have an accelerated, 7 year, medical program? If so, how does one apply for it? Is it highly selective?

Yes and it is extremely selective.

https://meded.ucsd.edu/index.cfm/asa/admissions/medical_scholars_program/med_scholars_application_process/

They invite seniors based on grades on test scores. Note " by invitation only".

they discontinued it in October of 2015