Fraud detection in healthcare

A method comprising:

• generating provider objects that describe health care providers;
• generating patient objects that describe health care recipients;
• generating health care event objects that describe one or more of:
• health care claims, prescriptions, medical procedures, or diagnoses;
• storing the provider objects, patient objects, and health care event objects in a digital computer-readable storage medium;
• correlating the health care event objects to the provider objects and the patient objects;
• receiving input specifying a particular object, wherein the particular object is one of a particular provider object or a particular patient object;
• based on the correlating, identifying a network comprising one or more provider objects and one or more patient objects that are associated with the particular object;
• generating a graph of the network, the graph comprising linked nodes, the linked nodes including one or more patient nodes that represent the one or more patient objects and one or more provider nodes that represent the one or more provider objects;
• presenting the graph as part of an interactive interface for investigating health care data, the interface embedding a first control for selecting at least a particular linked node;
• responsive to selection of the first control, generating a presentation comprising data associated with a first object that the particular linked node represents;
• wherein the method is performed by one or more computing devices.