If you would like to inquire about consulting with Mayo Clinic experts, you can submit a request as an internation patient here: http://mayocl.in/1mtmR63

Please also note that there are 2 locations outside the US:
Mayo Clinic Healthcare
London, United Kingdom

Sheikh Shakhbout Medical City
Abu Dhabi, United Arab Emirates

As well as affiliates in the Mayo Clinic Care Network
American Hospital Dubai
United Arab Emirates

Saudi German Hospital Cairo
Egypt

Saudi German Hospital Riyadh
Saudi Arabia

Read more here: https://www.mayoclinic.org/about-mayo-clinic/care-network/network-members

Virtual appointments may be available. I'm not sure. It's worth asking.