This is not right, that you didn't get in with all your excellent undergraduate work and credentials.
Can you post your list of colleges where you applied to last year ? Outside of California you are top heavy and may need to apply to some safety schools. End of the day, you have to realize not a huge difference between schools ranked 30-60 to the schools ranked 60-90. The top 30 are prestigious and will help your application profile when you apply for residency (especially with USMLE 1 becoming pass/fail) since there are a lot of vain residency program directors who will look at an elite institution applicant differently. Consider getting some of those schools ranked 60-90 on your application list this year.
When applying to the top 30 programs, Look through the MSAR and apply to similar top schools, and prioritize the ones you havent applied to last year, since you likely have a better chance of interviews if you have not applied before. Some medical schools may not offer interviews if your application has not substantially changed. Do apply to the schools which told you that you had a high category waitlist, since they may look on it favorably. Explain why you liked that school, and why you are reapplying there well. Is there something in that school mission which matches your goals ?
I am surprised you didnt match within the UC system this year with those stats, you should have been a shoo in. Should probably apply to ALL the california schools this upcoming cycle. why arent you applying to UC riverside, california U. or calfornia northstate ? Consider taking some coaching for the interviews.
Which undergraduate school are you in ? do they have a committee letter system ? is there a possibility of a "lukewarm" committee letter ? How many letters of reference did you send in, do you think you got any "suboptimal" letters of reference ? when did you graduate ? what are you doing this year, can you do some work at the schools you are interested in ?
Hopefully you will get in this cycle, best of luck. Remember around 40-50% of students do take a gap year, so dont be disheartened.