ลองทดสอบดูครับ
INSERT INTO person_image ( person_image, person_id )
SELECT patient_image.image, person.person_id
FROM person INNER JOIN (patient INNER JOIN patient_image ON patient.hn = patient_image.hn) ON person.cid = patient.cid
WHERE (((person.person_id) Not In (select person_id from person_image)));