There are a lot of different companies offering travel medical insurance. Be sure to compare a few before making a decision.

Here are a couple of international options:

https://www.worldnomads.com/

https://www.healthcareinternational.com/

Since I'm in Canada, it's mostly Canadian sites that pop up when I search. You can find insurance products with almost all financial institutions, and CAA offers a few packages too

https://www.caasco.com/