All locations are already listed under group PTAN and provider is added under group.  Your active Railroad Medicare PTAN has been located and is shown here :  PROVIDER NAME	PATRICK A AYARZAGOITIA NP PROVIDER PTAN	P02173892 PROVIDER NPI	1649568239 EFFECTIVE DATE	10/31/2018 END DATE	 GROUP NAME	RABAGOS HEALTH CARE PLLC GROUP PTAN	DW2792 BUSINESS STATE	TX EFFECTIVE DATE	04/12/2014 END DATE	 