Font Size



Prior Authorization

Mississippi Medicaid Prescribers – registered users
If you are a Mississippi Medicaid prescriber, submit your prior authorization requests through the Change Healthcare provider portal.

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

Change Healthcare MS Medicaid 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