Question: Do you know of a healthcare API that provides structured, interoperable data for stratifying patient risk and determining treatment eligibility?

If you need a healthcare API that offers structured, interoperable data to help you stratify patient risk and assess treatment eligibility, Particle Health is a top contender. It offers data from more than 320 million patients' records at 70,000+ healthcare providers, with APIs to retrieve FHIR R4 or C-CDA data and pre-curated data sets. The service is geared to help with care coordination and patient risk stratification, with security and compliance built in.

Another contender is InterSystems, a data management company that caters to complex domains like healthcare. Its InterSystems on FHIR and InterSystems IRIS for Health products let customers exchange health data without worrying about the details of data exchange and offer powerful data management tools. The products are designed to be reliable, secure and scalable, making it a good fit for health care providers that need data management and interoperability.

Metriport is an open-source API that connects to several health information networks, supporting FHIR R4, C-CDA and PDF data formats. It comes with a no-code provider dashboard and enforces data quality with medical coding standards. With a FHIR converter API and strong security, Metriport is a flexible tool for health care companies that need to manage patient records.

If you're looking for something more global, Inovalon offers a cloud-based platform with data-driven products for payers, providers, pharmacies and life sciences companies. The platform improves patient outcomes and business performance with analytics and dynamic business intelligence, including risk score accuracy and patient engagement tools. It serves nearly 20,000 customers across 53,000 sites of care, so it's a major player in the health care data management market.