It is large, unstructured, and varies heavily from carrier to carrier. Most employers don't even possess it, while others may have some data (not all), but no ability to interpret or analyze it.
ASO carriers don't want to share this data, so they make it make it difficult to obtain by not providing lists of all available data fields, like sitting down at a restaurant without a menu.
We've worked behind the firewall of 40+ "BUCA" (Blue Cross Blue Sheild, United, Cigna, Aetna) payers for over 15 years. This inside knowledge facilitates full acquisition and proper interpretation of all relevant claims and financial data on behalf of self-funded employers.
It's time to shine a light in the dark to expose your true healthcare cost.