How Apple Health Pulls Your Medical Records: The FHIR Stack, Explained
Apple Health can pull your medical records straight from your hospital. Here's the FHIR stack behind it, SMART on FHIR, US Core, and the law that made it work.
FHIR Articles
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SMART on FHIR: How It Works and How to Build Apps That Launch Inside EHRs
Learn how SMART on FHIR connects apps to EHRs using FHIR APIs and OAuth2. Covers launch flows, scopes, Epic and Cerner setup, SMART v2, and building your first app.
What is HL7? Understanding the Standard Behind Healthcare Data Exchange
This article details HL7's role in healthcare data exchange since 1987. It explores the standards family including legacy v2, CDA, and modern FHIR APIs highlighting their necessity for interoperability, regulatory compliance, and system integration.
What Is FHIR? The Complete Developer Guide [2026, R4]
The complete guide to FHIR (Fast Healthcare Interoperability Resources). Learn FHIR resources, R4, Profiles and Implementation Guides, SMART on FHIR, HL7 history, and how to start.
CDS Hooks Matter More Than You Think
CDS Hooks are more than alerts: they’re real-time EHR webhooks that can surface a card and launch a SMART on FHIR app, letting you run workflows outside the EHR. The key is relevance + low latency, and rising adoption.
Couchbase x Medblocks - Building a NoSQL FHIR Server
We walk you through building a FHIR server on top of Couchbase's NoSQL database, covering challenges, technical decisions, architecture, and local setup.
Could FHIR Work as an Alternative to XDS?
Explore how FHIR compares to XDS in healthcare data sharing and what it means for interoperability between hospitals and clinics.
What Does FHIR Versioning Mean for Your Systems
Learn how FHIR uses semantic versioning to manage updates, ensure compatibility and support smooth transitions between healthcare data standards like R4 and R5.
FHIR Implementation Examples: Global Healthcare Adoption
Explore real-world FHIR implementation examples across the US, India and Saudi Arabia, including 21st Century Cures Act, ABDM and Nphies healthcare initiatives.
A History of HL7: From Terminals to APIs
A journey through 30 years of healthcare interoperability from costly 1980s interfaces to modern FHIR APIs following HL7's evolution to web-friendly resources.
GE HealthCare x Medblocks - Simplifying Cancer Care Decisions
Here we explore a real-world project we did with GE HealthCare, where we tackled the challenges of data normalization in oncology care.
EHR Sidecars and their History
EHR sidecars have a long history of filling gaps that core EHRs couldn't. Learn how sidecars started, evolved, and why they're still relevant today.
Interoperability Runs on Open Source, Not Standards
While open standards set the rules, open source gets the work done. Discuss choosing tools, handling semantics and making health systems interoperable.
Top 10 FHIR Developer Tools (2026): Build, Test & Validate
Stop drowning in FHIR docs. From HAPI FHIR & Simplifier to Inferno & validators - 10 tools that save hours. Covers servers, testing & profiling. Updated 2026.
12 Essential FHIR Resources Every Developer Should Know
Learn the 12 essential FHIR resources with practical examples. Understand Patient, Observation, Encounter, Medication, and other core healthcare resources.
Three Ways to Build a FHIR Server: Facade, Sync & Hybrid
Explore three approaches to building RESTful FHIR servers: Facade, Synchronization, & Hybrid. Understand where REST APIs, Documents, and Messaging fit in FHIR.
Epic Patient App Distribution Using Automatic Client IDs
A step-by-step guide to deploying patient-facing FHIR apps on Epic using Automatic Client ID Distribution, including eligibility criteria, and production setup.
Building a FHIR-First EHR with Aidbox: Health Samurai CTO
Stop storing FHIR as JSON blobs. Health Samurai CTO Nikolai Ryzhikov explains how Aidbox uses FHIR as its internal model — with real SQL on live FHIR data.
How to Make Legacy EHR Systems FHIR-Compliant with Python
Learn to build a Python FHIR Facade using FastAPI and PostgreSQL to expose legacy EHR data as FHIR APIs supporting read search operations and interoperability
HAPI FHIR Java Tutorial: Build Real Healthcare Apps Fast
Already know Java? Now learn FHIR. Build, read, update & delete Patient resources using HAPI FHIR's fluent client. Working code included. Perfect for Java devs.
How to Work with FHIR REST APIs using Python
This guide explores performing real-world operations like creating, reading, updating, and deleting patient data on a FHIR Server using Python.
Announcing Medblocks openFHIR: An open-source engine that bridges openEHR and FHIR
Introducing openFHIR, an open-source bidirectional mapping engine converting between openEHR and FHIR standards. Built on FHIRConnect, Apache 2.0.
FHIR Questionnaire Item Types: Every Answer Type + JSON
Explore all FHIR Questionnaire item types: string, boolean, coding, date, quantity & more. Includes real JSON examples for each type. Essential for form builders.
openEHR vs FHIR: Compare Healthcare IT Standards
Compare openEHR, FHIR, HL7 V2, CDA, DICOM, OMOP, SNOMED CT and more with practical comparison tables, use cases and choose the right healthcare IT standard.
Build a SMART on Epic App in React: OAuth2 + PKCE Tutorial
Code a full SMART on Epic patient app step-by-step. Covers PKCE, auth code flow, token exchange & Epic FHIR R4 API calls. Working React code included.
Build Your First FHIR App with AI: Step-by-Step Tutorial
Build your first FHIR healthcare application using Cursor AI, HAPI FHIR, SvelteKit, and TypeScript with this practical step-by-step tutorial for beginners.
FHIR Questionnaire vs Composition: Forms vs Documents?
Building clinical forms or discharge summaries in FHIR? Learn exactly when to use Questionnaire vs Composition — with a clear use-case breakdown. Stop confusing them.
Designing for Doctors: A FHIR-Driven Approach to Patient Management That Clinicians Actually Use
See how Medblocks built FHIR-driven patient management system with intuitive workflows, helping doctors manage patients without EHR complexity or vendor lock-in.
FHIR Questionnaire Resource: Structure, QuestionnaireResponse & How It Works
Understand the FHIR Questionnaire resource from scratch, structure, item types, QuestionnaireResponse, and hands-on exploration using free NLM open-source tools.
Why We're Reinventing the EHR: The Modern Approach to Health Data Platforms
Discover why traditional EHRs fall short and how Medblocks combines health data platforms, open standards and extensible workflows to build healthcare software.
HAPI FHIR US Core Profile Validation: Fix the Silent Fail Bug
HAPI FHIR doesn't validate profiles by default — even with meta.profile set. Learn how to upload StructureDefinitions & enable validation via Docker env vars.
CDS Hooks Tutorial: Build a Working Service with Node.js
Build and test CDS Hooks service with Node.js. Learn Discovery endpoints, CDS Cards, patient-view hooks, ngrok setup, EHR integration, and real-world workflows.
HL7 CDS Hooks Explained: How EHRs Integrate Real-Time Clinical Decision Support
Learn how HL7 CDS Hooks lets EHRs call external APIs for real-time clinical alerts, covering drug interactions, pre-authorization, and quality measures. With code examples.
FHIR vs openEHR vs OMOP: Choosing the Right Health Standard
Compare FHIR, openEHR, and OMOP healthcare standards to understand their roles in clinical documentation, data exchange, interoperability, and health analytics.
FHIR Terminology Service: SNOMED, LOINC & ICD-10 Unified
Use one FHIR API to query SNOMED, LOINC & ICD-10. Learn CodeSystems, ValueSets, ConceptMaps & key operations like $lookup & $expand. Clear guide with examples.
Create a FHIR Patient Resource in Python | Beginner Guide
New to FHIR? Build your first Patient resource in Python using fhir.resources. Includes JSON schema, validation & VS Code setup. Step-by-step for beginners.
FHIR Implementation Paradigms: Global Case Studies
Explore FHIR REST, Documents, Messaging, Services, and Storage paradigms with global healthcare implementation examples and interoperability best practices.
Legacy EHR to FHIR Migration Using Debezium ETL Pipeline
Migrate legacy EHR data to FHIR using Debezium, Kafka, and ETL pipelines. Learn real-time data synchronization, transformation & scalable healthcare integration.
SMART on FHIR App Launch Flows: OAuth 2.0, PKCE & EHR Launches
Learn how SMART on FHIR app launches work, including standalone and EHR launches, OAuth 2.0, OpenID Connect, PKCE, scopes, launch context, and app registration.
CMS Patient Access Rule Explained: FHIR APIs & Compliance
Learn how the CMS Interoperability and Patient Access Final Rule mandates HL7 FHIR APIs for patient access, provider directories & payer-to-payer data exchange.
SMART on FHIR Backend Authentication: Symmetric vs Asymmetric
Implement SMART on FHIR backend authentication with OAuth2. Learn client credentials, symmetric secrets, asymmetric keys, JWT assertions & JWK setup for EHR API.
How CMS & ONC Are Driving FHIR Adoption in US Healthcare
Learn how CMS and ONC interoperability rules are driving FHIR adoption. Explore SMART on FHIR, APIs, patient access, and healthcare data exchange standards.