All locations are added under group PTAN and provider is linked to group.  Your active Railroad Medicare PTAN has been located and is shown here :  PROVIDER NAME	ROSE P TREVINO PA PROVIDER PTAN	Q00034027 PROVIDER NPI	1437174794 EFFECTIVE DATE	01/01/2021 END DATE	 GROUP NAME	RABAGOS HEALTH CARE PLLC GROUP PTAN	DW2792 BUSINESS STATE	TX EFFECTIVE DATE	04/12/2014 END DATE	 