For Providers Claims SubmissionDepartment ContactsCompliance / Fraud, Waste & AbuseProvider AppealsProvider CommunicationProvider PortalSpecial Claims Project For Providers Welcome to Allegian Advantage (HMO)! Attention Providers New or resubmissions to Allegian Advantage claims with dates of service on or prior to 12/31/17 should be submitted via Availity’s EDI system under the payer ID 82238. We're sorry. The zip code you entered is not part of our service area. Please enter a valid zip code.