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Employee Retirement System of Texas

Thank you for your interest in KelseyCare Advantage!
We're pleased that you are considering the KelseyCare Advantage plan. We know it is important to choose a health plan that provides the benefits, quality and service you need. KelseyCare Advantage is pleased to offer such a plan through the Employees Retirement System of Texas to retirees of state agencies and higher education institutions and their dependents.
KelseyCare Advantage is affiliated with Kelsey-Seybold Clinic, a premier medical group based in Houston, Texas. Kelsey-Seybold Clinic physicians have been providing high quality healthcare for more than 60 years.
Our service area includes eight counties. Persons living in the following counties are eligible to enroll in the KelseyCare Advantage HMO plan:
  • Brazoria
  • Chambers
  • Fort Bend
  • Galveston
  • Harris
  • Liberty
  • Montgomery
  • Waller
At KelseyCare Advantage, quality and customer service matter. For 2015, KelseyCare Advantage was awarded a  4.5 Star overall rating by Medicare for quality of care and customer service. KelseyCare Advantage also had outstanding performance in areas such as doctor communication, quality of care, and drug coverage. 
Membership Materials
Customer Service
Thank you, again, for your interest in our plan. We look forward to serving you! If you have any questions at all, please call us at:

(713) 442-2ERS (2377)
Toll-Free: (877) 853-9075
TTY/TDD: (866) 302-9336
8 a.m. to 5 p.m., Monday through Friday
Extended hours may be available during specific enrollment periods.