FHIR INTEGRATION SERVICES
Fragmented EHRs, patient apps, and clinical data sources force healthcare teams into slow, brittle, one-off integrations. Peerbits designs and builds FHIR-based integrations that let your systems exchange healthcare data reliably, on a standard your whole ecosystem already understands.
BEFORE — FRAGMENTED
EHR
Portal App
RPM Device
Claims
FHIR INTEGRATION LAYER
FHIR R4/R5 · OAuth2 / SMART · Resource Mapping
AFTER — CONNECTED
EHR
Portal App
RPM Device
Claims
FHIR INTEGRATION FOR CONNECTED HEALTHCARE SYSTEMS
Most healthcare organizations run on a mix of EHRs, patient-facing apps, remote monitoring platforms, and internal tools that were never built to talk to each other. Data gets exported, transformed by hand, and re-entered — or it simply stays locked inside the system that created it.
The result is fragmented patient records, delayed clinical decisions, and engineering teams stuck maintaining custom interfaces instead of building product. FHIR gives healthcare systems a common language for exchanging data: standardized resources, predictable REST APIs, and implementation guides that most modern EHRs and health tech platforms already support. Peerbits builds the integration layer that puts FHIR to work for your specific systems.
WHAT IS FHIR INTEGRATION?
FHIR integration is the work of connecting a healthcare application, EHR, or data source to another system using the HL7 FHIR standard — modeling healthcare data as FHIR resources (Patient, Observation, MedicationRequest, and others) and exchanging them through RESTful APIs rather than proprietary formats or one-off file transfers.
In practice, an application can request a patient's record, submit a new observation, or subscribe to updates using the same resource structure a hospital EHR, a payer system, or a digital health platform already understands.
Healthcare Application
Patient portal · Provider tool · Digital health app
FHIR API
REST · JSON/XML · OAuth2 / SMART on FHIR
EHR / Healthcare System
Epic · Oracle Health · athenahealth · MEDITECH
FHIR INTEGRATION SERVICES WE PROVIDE
We scope each engagement around the systems, workflows, and compliance constraints you actually have — not a generic integration checklist.
Connecting your applications to FHIR APIs exposed by EHRs, health information exchanges, and third-party healthcare platforms — including authentication, resource access, and error handling.
Integrating with major EHR platforms through their FHIR APIs to read and, where supported, write clinical data such as encounters, medications, and results.
Mapping data from databases, legacy interfaces, and internal systems into FHIR resources so it can be exchanged consistently across your environment.
Building FHIR client and server capabilities directly into patient apps, provider tools, and digital health products so they can consume or expose FHIR resources.
Designing data exchange workflows between multiple systems and organizations — including bulk data export, subscriptions, and event-driven updates.
Replacing aging HL7 v2 interfaces and point-to-point connections with FHIR-based integrations that are easier to extend and maintain.
SYSTEMS AND APPLICATIONS WE INTEGRATE WITH FHIR
FHIR integration is not limited to EHRs. Any system that creates or consumes clinical or administrative data is a candidate.
Epic, Oracle Health (Cerner), athenahealth, eClinicalWorks, MEDITECH, NextGen, and other FHIR-enabled EHR platforms.
Clinical workflow tools, care management platforms, and internal healthcare software that need standardized data access.
Patient-facing apps that need to pull records, appointments, and results directly from connected EHRs.
Clinician-facing tools that require real-time access to charts, orders, and results across care settings.
Health tech products that need to exchange structured clinical data with hospital and payer systems.
RPM and wearable data pipelines that submit observations back into a patient's clinical record as FHIR resources.
FHIR INTEGRATION USE CASES
Giving patients and authorized apps standardized access to their own health records across providers.
Sharing structured clinical data between providers, labs, and specialists involved in the same episode of care.
Keeping care teams aligned by exchanging encounter, referral, and care-plan data across the systems they each use.
Powering app features — scheduling, results, messaging — with live data pulled through FHIR rather than static exports.
Sending device and wearable readings into the EHR as FHIR Observations so clinicians see them in context.
Meeting patient access and interoperability requirements by exposing data through conformant FHIR APIs.
FHIR DATA EXCHANGE WORKFLOW
Source System
Resource Mapping
Patient · Encounter
Observation · Bundle
FHIR API
Consuming App
FHIR Data Exchange Workflow — source data mapped to FHIR resources and served through a FHIR API.
OUR FHIR INTEGRATION DEVELOPMENT PROCESS
Every integration engagement begins with the actual systems and data involved — not a generic checklist.
We review your source and target systems, existing interfaces, and the specific data and workflows the integration needs to support.
We design the integration approach — direct API integration, an interface engine, or a middleware layer — based on system count, volume, and constraints.
We map source data fields to the relevant FHIR resources and profiles, including any implementation guide (US Core, Da Vinci) your project must conform to.
We build or configure the FHIR APIs and authorization flows (OAuth 2.0, SMART on FHIR) needed to connect systems securely.
We test resource conformance, data accuracy, and error handling across realistic clinical scenarios before go-live.
We deploy the integration, monitor it in production, and support it as source systems, APIs, or requirements evolve.
FHIR INTEGRATION ARCHITECTURE
A well-built FHIR integration layer decouples your applications from the specifics of any one source system. Applications call a consistent FHIR API; the integration layer handles authentication, resource mapping, and translation to and from each connected system underneath it — including systems that don't speak FHIR natively.
CONSUMING APPLICATIONS
Patient App
Provider App
RPM Platform
Analytics
FHIR INTEGRATION LAYER
Auth (OAuth2 / SMART) · Resource Mapping · Terminology · Validation · Audit Logging
SOURCE SYSTEMS
EHR (FHIR)
Legacy HL7 v2
Payer System
HIE / Registry
FHIR RESOURCES AND HEALTHCARE DATA MODELS
FHIR organizes healthcare data into discrete, well-defined resources — Patient, Encounter, Observation, MedicationRequest, Condition, and dozens more — each with a consistent structure.
Mapping your existing data model to the right resources and profiles is usually the most detail-heavy part of a FHIR integration, and where implementation experience matters most. We handle the mapping, validation, and conformance testing so your integration produces correct, interoperable FHIR output.
Actual mappings depend on your source schema and target FHIR profile (US Core, Da Vinci, or custom IG).
WHY CHOOSE PEERBITS FOR FHIR INTEGRATION?
We work with FHIR resources, profiles, and implementation guides directly — not just the concept of interoperability.
Our teams have integrated with leading EHR platforms' FHIR endpoints, along with the authentication and access patterns each requires.
We design the integration approach around your actual systems, data volumes, and compliance requirements — not a generic template.
Integrations need upkeep as source systems and standards evolve. We stay involved after deployment, not just through launch.
FHIR INTEGRATION PROJECT EXPERIENCE
Every FHIR integration engagement starts with the same question: what does data need to move between which systems, and what does "correct" look like for each resource involved. From there, our approach is shaped by real constraints — the FHIR maturity of the systems you're connecting, the volume and sensitivity of the data, and how much of your existing infrastructure needs to stay in place during the transition.
Because every healthcare organization's system landscape is different, we'd rather walk you through relevant project experience and technical approach directly. If you're evaluating partners for a FHIR integration project, we're glad to share the specifics that apply to your systems and use case.
Talk to a Healthcare Integration ExpertReal FHIR integrations, EHR connections, and interoperability projects delivered for healthcare organizations.
Healthtech ,
Peerbits designed a reusable interoperability demonstration connecting a React and Node.js application to Epic's FHIR R4 sandbox through SMART on FHIR authentication — proving real EHR connectivity, multi-resource retrieval, governed write-back, and
Healthtech ,
Remote patient monitoring app helps to bridge the gap between patients and healthcare providers. It tracks the vitals of the patients and sends it to the doctors.
Healthtech , AWS / Cloud ,
A healthcare startup struggled with increasing loads of data and manual infrastructure management as its business expanded. Peerbits successfully built cloud infrastructure using AWS for their system possessing auto-scaling, automated and more.
FHIR integration is the practice of connecting healthcare systems, applications, and data sources using HL7's Fast Healthcare Interoperability Resources (FHIR) standard, so structured healthcare data can be exchanged through consistent, RESTful APIs instead of custom point-to-point interfaces.
FHIR integration services cover the full lifecycle of connecting systems through FHIR: system assessment, integration architecture, FHIR resource and data mapping, API development, conformance testing, and deployment with ongoing support.
Healthcare data is modeled into standardized FHIR resources such as Patient, Observation, and Encounter, then exposed or consumed through RESTful FHIR APIs, following implementation guides like US Core so systems interpret the data consistently.
FHIR is commonly used to integrate EHR systems, patient and provider portals, remote patient monitoring platforms, digital health applications, payer and claims systems, and health information exchanges.
EHR vendors expose FHIR APIs that let external applications read and, in some cases, write clinical data as FHIR resources, typically secured with OAuth 2.0 and SMART on FHIR authorization.
FHIR is HL7's newest interoperability standard. Where earlier HL7 standards like HL7 v2 messaging and CDA documents rely on message- or document-based formats, FHIR uses modern REST APIs and JSON or XML resources, making integration faster to build and easier to maintain. See our HL7 Integration Services page for more on HL7-specific work.
FHIR defines standardized resources and implementation guides that give systems a shared structure for healthcare data, reducing the custom mapping work each new integration would otherwise require.
FHIR APIs are RESTful web APIs that let applications create, read, update, and search FHIR resources representing healthcare data such as patients, medications, and observations.
Timelines vary with scope. A single-system FHIR API integration can take a few weeks, while enterprise interoperability programs spanning multiple EHRs and applications typically run several months, depending on data mapping complexity and security requirements.
Implementation typically involves assessing source and target systems, defining FHIR resource and data mappings, building or configuring APIs, implementing OAuth 2.0 and SMART on FHIR authorization, testing for implementation guide conformance, and deploying with monitoring in place.
Yes. Interface engines and middleware can translate legacy formats such as HL7 v2 messages or proprietary flat files into FHIR resources, allowing older systems to participate in FHIR-based data exchange.
Peerbits provides end-to-end FHIR integration services, from system assessment and integration architecture through resource mapping, API development, testing, and deployment, for healthcare organizations and digital health product teams.
Have more questions?
Ask our expertsTechnical guides on FHIR integration, EHR connectivity, and healthcare data exchange.
DISCUSS YOUR FHIR INTEGRATION PROJECT
Share the systems you're working with and what you're trying to exchange — we'll walk you through an integration approach before you commit to anything.
