Try something along this line:
This is for OtherValue numeric.
DoCmd.OpenReport "rapPersonMedAllt", acViewNormal, , "PID=" & PID & " AND anotherField = " & OtherValue
This is for OtherValue alpha.
DoCmd.OpenReport "rapPersonMedAllt", acViewNormal, , "PID=" & PID & " AND anotherField = '" &...