@soohart there is a search option on the WOCN site ( I've had the best success by including my whole state). You can try calling GI offices or Colorectal surgeon offices.
https://findanurse.wocn.org/
The UOAA has a telemed nurse option as well as other options (including other telemed services) listed.
https://www.ostomy.org/find-an-ostomy-nurse/