All locations are listed under one PTAN for the group which providers are added under.   Your active Railroad Medicare PTAN has been located and is shown here :  PROVIDER NAME	KATHERINE C RABAGOS NP PROVIDER PTAN	P01596057 PROVIDER NPI	1134415631 EFFECTIVE DATE	04/12/2014 END DATE 	 GROUP NAME	RABAGOS HEALTH CARE PLLC GROUP PTAN	DW2792 BUSINESS STATE	TX EFFECTIVE DATE	04/12/2014 END DATE 