With that GPA and the popularity of SDSU, that’s not going to happen. Private universities will be enormously expensive and your transfer status will not derive many scholarship opportunities. Now that you’re considering academic renewal, are you sure you still want to pursue med school? It will be extremely tough and expensive. My dd’s friends are currently going through the application process and even with strong GPA’s, good MCATs, and apps, it is tough.
Re San Marcos: If you’re not from the local area, you really NEED to visit San Marcos before applying. It is nothing like SDSU, so don’t make assumptions.
Their web site page states emphatically that they are impacted in kinesiology: https://www.csusm.edu/cehhs/studentservices/admission/kinesiology.html