Lagniappe Advantage providers can find secure access to claims, eligibility info, authorizations, view
patient history, submit an authorization request and more.
Prescribers and Pharmacies: Forms, Information, and Portals
Lagniappe Advantage provides Medicare Part D prescription drug coverage through Navitus, a full-service pharmacy benefit management company committed to lowering drug costs, improving health, and providing superior customer service.
Claims and remittance advices can be submitted and retrieved electronically through your existing clearinghouse or billing company. The following steps will guide you through the process.
For Prescribers:
- Access Formulary and Prior Authorization Forms at Navitus
- Select “Prescribers” and click on “Prior Authorization”
- Enter your NPI number and State to access the prescriber portal
- Navitus Health Solutions Pharmacy Helpdesk phone number: 1-866-270-3877 (TTY 711)
- Refer to the Member Resources page for formulary, prior authorization criteria, and step therapy criteria
For Pharmacies:
- Access payer sheets and other information at Navitus
- Select “Pharmacies” and click “Pharmacies Login”
- Enter your NPI number and NCPDP number to access the pharmacy portal
- Navitus Health Solutions Pharmacy Helpdesk phone number: 1-866-270-3877 (TTY 711)
- Refer to the Member Resources page for formulary, prior authorization criteria, and step therapy criteria
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CMS ID Number: H6566_Website,Last modified: December 16, 2025