595 Loyola Drive
Los Altos, CA 94024
Begun on January 1, 2006, this is now the world’s largest listing of health-related volunteering opportunities. Over 3,920 organizations report volunteering listings in virtually all medical (and some non-medical) fields in over 118 countries as of June,2019. They have faciliated over 8,258,321 searches, helped make over 293,122 volunteer connections, and helped make over 191,001 patient connections. You can find many possibilities on their website and post your interests there. They have offices in seven other countries.