All locations are listed under group PTAN, which provider is linked to.   Your active Railroad Medicare PTAN has been located and is shown here :  PROVIDER NAME	JUAN M CAPUPUS NP PROVIDER PTAN	P02418072 PROVIDER NPI	1891168597 EFFECTIVE DATE	07/20/2018 END DATE	 GROUP NAME	RABAGOS HEALTH CARE PLLC GROUP PTAN	DW2792 BUSINESS STATE	TX EFFECTIVE DATE	04/12/2014 END DATE	