CareFirst Blue Choice Advantage is the medical insurance provider and plan.   

  • Group Number: 1XK5
  • Member ID Prefix: XIR - please use your SSN if this number is not available
  • Member Services:  866-452-2217

Guardian is the provider for dental, vision and ancillary benefits including disability, life and accident, hospital and critical illness.  
  • Group Number for all plans is 038477
  • Dental Plan network: Dental Guardian Preferred
  • Vision Plan network: VSP Choice 
  • Guardian General Member Services: 888-600-1600
  • Dental Member Services: 800-541-7846
  • Vision Member Services: 877-814-8970
  • Disability Member Services: 800-268-2525
  • Ancillary Benefit Member Services: 800-541-7846