Houston, TX 77089 10905 Memorial, Hermann Dr., #209 Pearland, TX 77584 2555 Gulf Freeway S, Suite 500 League City, TX 77573 5044 Crenshaw Road, Suite 100, Pasadena, TX 77505 PET CT Clinic 450 Blossom, Suite A Webster, TX 77598 HCA Clear Lake 500 W. Medical Center Blvd Webster, TX 77598.