All locations are listed under group PTAN, and provider is added under group.   Your active Railroad Medicare PTAN has been located and is shown here :  PROVIDER NAME	M A CAPUPUS PA PROVIDER PTAN	P02133478 PROVIDER NPI	1740517945 EFFECTIVE DATE	08/05/2018 END DATE	 GROUP NAME	RABAGOS HEALTH CARE PLLC GROUP PTAN	DW2792 BUSINESS STATE	TX EFFECTIVE DATE	04/12/2014 END DATE	