
Power Your FHIR Strategy with a Modern Healthcare Data Repository
Zen's Gravity delivers the infrastructure needed to store FHIR data, expose compliant APIs, and support modern interoperability use cases at scale.

Fully Managed FHIR Repository & API for Healthcare Organizations
Whether you are an HIE needing to exchange with community payers via FHIR, a healthcare organization in need of flexible access to aggregated clinical healthcare data, or an organization looking for an easier way to respond to inbound national network queries, Gravity offers a simple yet nimble FHIR-based clinical health data repository solution.
What is Gravity?
Gravity is a fully managed FHIR repository as a service tool for healthcare organizations. It provides a destination for clinical health data transactions, healthcare messages, and other healthcare data elements in a secure clinical data repository. It supports advanced FHIR data exchange protocols, and FHIR-enabled applications. It also supports inbound national network queries for Stargate clients who need a separate responding repository.
As part of the Gemini Integration as a Service (IaaS) Platform, Gravity provides:

- Flexible data acquisition via the Gemini Integration Platform
- Fully managed and hosted environment (HITRUST CSF r2 certified)
- Aggregated data stored as FHIR Resources, and accessible via FHIR API
- Storage for clinical messages/objects such as CCDs / CCDAs
- Data accessible via the Gemini Integration Platform — important because many healthcare use cases require a way to enhance and transform native FHIR Resources to other data standards such as existing proprietary APIs, IHE based exchange or HL7
How Can Zen Help?
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5 Advantages for HIEs
Learn How to Control Your Data Destiny with Gravity.
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The Gravity Connectivity Diagram
View the complete Gravity connectivity framework.
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Who Benefits Most From Gravity?
Payers, ACOs, provider organizations, hospitals, and HIEs find tremendous value in Gravity's capabilities.
HIEs
HIEs can use Gravity to support payer projects where FHIR is required, but the HIE’s technology is CCDA based. In this use case, Gemini retrieves the CCDAs based on payer member rosters, converts to FHIR resources, and stages the FHIR data in Gravity. Then the data can be made available to the payer in their preferred FHIR format.
Provider organizations
and hospitals
Provider organizations and hospitals can use Gravity to store some or all clinical data in a flexible clinical repository to support a wide variety of use cases including, being a queryable source of data for health information exchange purposes.
Health Tech companies
Health Tech companies can use Gravity to make FHIR queries much easier if no native FHIR capabilities exist. They can also use Gravity as a national network responder so they do not have to build native response capabilities.
ACOs and other managed care organizations
ACOs and other managed care organizations can use Gravity to fill gaps in existing technologies, to better manage patient populations.
Gravity within the Gemini Integration as a Service Platform

What is Unique About Gravity?
Gravity provides both a "ready to go" FHIR API while also providing a flexible, long term solution to support many different types of data exchange work flows and use cases. Through its connection with the Gemini Integration Platform, it provides robust data consumption and data querying capabilities.
Gravity FAQs
Yes, Commercial integration engines can send data to Gravity by pointing to a Gemini Integration Platform endpoint. Clients can choose to make data transformations in their own integration engine, or Zen can perform needed transformation within Gemini.
Yes, Zen can point a defined data stream from Gravity to your analytics tool, based on your required data specifications.
Gravity is an ancillary service to the Gemini Integration Platform. Gravity is sold based on a recurring monthly fee, with a 12-month minimum contract term. Gravity pricing is calculated based on the relative size of the data storage required. Please contact Zen for further details so we can provide pricing based on your specific use case(s).

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