Hospitals Children’s Memorial Hermann Hospital 6411 Fannin Houston, TX 77030 Lyndon Baines Johnson Hospital 5656 Kelley St. Houston, TX 77026 Memorial Hermann Cypress Hospital 27800 Northwest Fwy. Cypress, TX 77433 Memorial Hermann Greater Heights Hospital 1635 North Loop W Fwy. Houston, TX 77008 Memorial Hermann Katy Hospital 23900 Katy Fwy. Katy, TX 77494 Memorial Hermann Memorial City Medical Center 921 Gessner Rd Houston, TX 77024 Memorial Hermann Southeast Hospital 11800 Astoria Blvd Houston, TX 77089