You should mention the shadowing in your native country. Applying in July is not late. You could add any of these MD schools:
Georgetown
George Washington
Boston University
Tufts
Brown
Hofstra
Einstein
Mount Sinai
NYU
Miami
USF Morsani
TCU-UNT
Loyola
Creighton
Arizona (Tucson and Phoenix)
Kaiser
USC Keck
UCLA