The Georgia Medicaid Management Information System (GAMMIS) Web Portal represents a comprehensive digital platform designed to streamline interactions between healthcare providers and the state’s Medical Assistance Plans. This robust online system offers medical professionals a centralized hub for essential administrative and clinical services.
Official Portal Link
What Providers Can Do
The GAMMIS Provider Portal empowers medical professionals with comprehensive capabilities:
- Access provider notices and manuals
- Review fee schedules
- Download necessary forms
- Track enrollment application status
- Submit electronic claims
- Verify member eligibility
- Access claims and remittance information
Who Can Use the Portal
The portal is specifically designed for:
- Medical Assistance Plan Providers
- Healthcare professionals seeking to participate in Georgia’s Medicaid programs
- Providers looking to enroll or manage their existing provider status
Access and Login Process
Providers can access the secure portal using:
- Provider ID number
- Personal Identification Number (PIN)
Login Steps
- Navigate to the GAMMIS Web Portal
- Click on the “Login” section
- Enter Provider ID and PIN
- Access secure provider dashboard
Key Features and Services
Provider Enrollment
- Enrollment Wizard
- Group/Billing Application
- Provider Contract Status tracking
- Electronic Funds Transfer (EFT) Agreement management
Electronic Data Interchange (EDI)
- Submitter information resources
- Companion guides
- Vendor listing
- Registration forms
Pharmacy Services
- Pharmacy notices
- Pricing lists
- Medicare updates
- Prior approval processes
Privacy and Security
The GAMMIS Web Portal prioritizes data protection:
- Secure login credentials
- Restricted access areas
- Compliance with healthcare data privacy standards
Maintenance and Availability
Scheduled maintenance windows:
- Monday-Tuesday: 1:00 AM – 2:00 AM
- Wednesday: 1:00 AM – 2:00 AM and 7:00 PM – 10:00 PM
- Thursday-Saturday: 1:00 AM – 2:00 AM
- Sunday: 12:00 AM – 7:00 AM (Eastern Time)
Technical Support
While specific contact details were not provided in the source document, providers can typically find support through:
- Portal help sections
- Provider messages
- Provider information menu
Important Enrollment Update
Group Enrollment Notice:
- Now open
- All groups must complete enrollment by January 1, 2026
- Use Provider Enrollment Application
- Select Group/Billing Application Type
Unprovided Information
The following details were not explicitly mentioned in the source document:
- Specific customer support phone numbers
- Detailed mobile app information
- Comprehensive billing portal features
Final Insights
Managed by Gainwell Technologies for the Georgia Department of Community Health, the GAMMIS Provider Portal serves as a critical digital infrastructure for Medicaid, PeachCare for Kids®, and related waiver programs.
Disclaimer: Information accurate as of August 16, 2025, based on available portal documentation.
https://www.mmis.georgia.gov/
The GAMMIS portal provides timely communications, data exchange and self-service tools for members and providers with both secure and public access areas.
https://www.or-medicaid.gov/
Welcome to the Medicaid Portal web site! Providers – Login to set up your Web portal accounts and verify eligibility for OHP clients.