Welcome to Adventist Health Delano's Patient Portal: With your busy life, it can be hard to stay on top of your family's health care - even though it's an important part of your life. ... Medical Records Department at Adventist Health Delano: 661-721-5244 Delano Diabetic Clinic: 661-721-1497 Delano Prompt Care Clinic: 661-725-2579.