Add a box that checks "Same as patient" for insurance and responsible parties so patient doesn't have to input information multiple times.
Remove/expand character limits for "best time to call".
Add "Other" or "Unspecified" for gender selection box.
Adding DOB, change format to "type in" vs scrolling years back.
Jump to numeric keyboard for Phone #s, Zip code field and SSN.
Often after submitting forms, patients get a "404 Page not found" message when complete.