Modifier GV is used to identify services provided by an attending physician not employed or paid by the patient's hospice provider. Modifier GW signifies services not related to the hospice patient's terminal condition. You can read more here: https://www.novitas-solutions.com/webcenter/portal/MedicareJH/pagebyid?contentId=00100547 Besides if you do have any questions give me a call: https://clarity.fm/joy-brotonath