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Provider Contacts

GAMMIS

Since 2010, Hewlett-Packard Enterprise Services (HPES) has served as the fiscal agent for Medicaid and PeachCare for Kids which includes providing site updates and maintenance to the GAMMIS portal.  If you have trouble accessing the GAMMIS portal, HPES Customer Service Representatives are available to assist you Monday through Friday, 8 a.m. to 7 p.m. ET. 

  • Providers:  1-800-766-4456
  • Members:  1-866-211-0950
  • For the quickest response, please send an inquiry through the contact page of the GAMMIS Portal