Welcome to Patient Portal, a web based program that will allow patients to receive and send information regarding their personal care via a secure website. Why choose Loma Portal? Dec 30, 2021 ยท La Loma Internal Medicine and Pediatrics. 13055 W McDowell Rd. Suite E-106. Avondale, AZ 85392. Phone: (623)975-8400. Fax: (623)935-2975. Where are ....