You need to create two menus, for one page and for your primary menu.
The one page menu will have hrefs as ids
Contact Tim - #ContactTim
Find Tim - #FindTim
This is the menu that you will set as your one page
Then create another menu and set the links as abolute links.
Contact Tim - https://iafcounseling.com/#ContactTim
Find Tim - https://iafcounseling.com/#FindTim
Set this as your Primary Menu
For more information, kindy refer to the link below.
Hope that helps.