Font Size



Prior Authorization

Mississippi Medicaid Prescribers – registered users
If you are a Mississippi Medicaid prescriber, submit your prior authorization requests through the Envision web portal for the most efficient processing.

Mississippi Medicaid Prescribers – not previously registered as a user
If you are a Mississippi Medicaid prescriber, but are not a registered Envision web portal user, first register to become a user.

Mississippi Medicaid Prescriberswithout web portal access
For Mississippi Medicaid prescribers who are unable to submit prior authorizations through the Envision web portal, fax your request to:

DOM Pharmacy PA Unit
Fax: 1-877-537-0720

Pharmacy Contacts

Contact Pharmacy at the Division of Medicaid if you have questions regarding:

  • Medicare/Medicare dual eligible beneficiaries
  • Preferred drug list
  • Pharmacy coverage for beneficiaries

Phone: (601) 359-5253
Toll-free: 1-800-421-2408
Fax: (601) 359-9555

Prior Authorizations
For questions about Prior Authorizations including:

  • status of a previously submitted prior authorization request
  • rejection of a prior authorization request

Toll-free: 1-877-537-0722
Fax: 1-877-537-0720

Contact our fiscal agent, Xerox, for questions or problems about Claims including:

  • reversal/backing out a point of sale (POS) claim
  • claim submission
  • how to submit an electronic prior authorization
  • prescription drug billing – rejection messages on claims, number of prescription “marks” available

Toll-free: 1-800-884-3222
Fax: (601) 206-3015