Most other health professions programs will want to see 3-4 letters. 1-2 of these letters should be from science professors. You will also need 1-2 letters from healthcare professionals that you have shadowed or worked with. Check with the individual schools to determine which letters you need.
Many of the health professions schools you will be applying to use a Central Application Service (CAS) to process your application. Letters of recommendation are part of this application. Follow the steps below to request your letters: