and nebraska. >> all right, young lady. so i have patients who have traveled hundreds of miles to come see me. and there are many patients who i travel to go see. >> we also use airplanes to get physicians out into those rural communities when the distance is significant. >> reporter: but there's one place al nafal is hesitant to fly to. out of the u.s. to see relatives. president trump's executive order bars citizens of seven muslim maurgeity countries, including syria, from entering into the united states. with that order in legal limbo, he is afraid he may be forced to leave his patients behind if he travels abroad and can't get back into the u.s. that's because he's not a u.s. citizen. he is here on a special j-1 visa waiver. a specific but important program that allows about 1500 international physicians each year to temporarily work in underserved areas of the country.