MSFC = Marshall Space Flight Center. I saw you were in Hunstville. I thought I'd take a shot in the dark.
I'm not sure to which parameter you are referring to in the
datasheet. The only current rating I saw were the maximum output current, the input bias current and the input offset current. I'm not sure if those apply to your statement. Could I just add a resistor between the inverting input and the resistor/thermistor voltage divider if it's too high? Like this:
If the inputs are super high impedence, the affect on the voltage divider should be negligible, right?
Edit: I'm using the LM293P, sorry forgot to specify.