Armed Forces bills are all handled through BlueCross.
You can find the relevant forms by following the below link:
The forms are only available by following the questionnaire, you would select 'Canadian Armed Forces', then 'Hospitals and Physicians'. On the following menu, you can find the required forms under the 'forms' heading.
For more information on getting registered with Medavie, you can follow the below link:http://web-beta.medavie.bluecross.ca/en/health-professionals/ePay-claims/government-providers
For more information you can get in touch with the BlueCross support line: 1-888-261-4033