How to Apply for Medicaid in Delaware
Delaware takes Delaware Medicaid (Diamond State Health Plan) applications through Delaware ASSIST, run by the Delaware Division of Medicaid and Medical Assistance. A decision normally takes 15–45 days from the date a complete application is filed.
Delaware Contact and Application Details
- Program name in Delaware: Delaware Medicaid (Diamond State Health Plan)
- Agency: Delaware Division of Medicaid and Medical Assistance
- Apply online: Delaware ASSIST
- Phone: 866-843-7212
- Decision time: 15–45 days
State agencies rename portals and change numbers; confirm on the state website before you call.
Check your eligibility
Before applying, verify you meet the basic requirements for Medicaid in Delaware. Use our free eligibility checklist to review each requirement.
Gather required documents
Collect the following: Proof of identity, Proof of residency, Proof of income, Citizenship documents, Social Security numbers. Having everything ready before you start will prevent delays.
Complete the application
Apply online through Delaware ASSIST (assist.dhss.delaware.gov), the Delaware application run by the Delaware Division of Medicaid and Medical Assistance, or apply by phone at 866-843-7212. In Delaware the program is called Delaware Medicaid (Diamond State Health Plan). You can file with only your name, address and signature to lock in your filing date and supply the rest afterwards.
Submit and track your application
After submitting, you'll receive a confirmation number. Processing takes 15–45 days. Keep copies of everything you submit.
Respond to any requests
The agency may request additional information or schedule an interview. Respond promptly to avoid delays or denial.
Set a renewal reminder
Medicaid requires renewal every 12 months. Mark your calendar to reapply before your benefits expire.
Documents You'll Need
- ✓Proof of identity
- ✓Proof of residency
- ✓Proof of income
- ✓Citizenship documents
- ✓Social Security numbers
Common Mistakes to Avoid
- ✗Not reporting all household members
- ✗Forgetting to include all sources of income
- ✗Submitting incomplete applications
- ✗Missing the application deadline
- ✗Not responding to requests for additional information
Official Application
Apply directly with the Delaware Division of Medicaid and Medical Assistance:
Apply on Delaware ASSIST ↗