We believe healthcare deserves better software. Follow our journey building open infrastructure for the future of health.
A technical reference for the FHIR prior authorization APIs. What CRD, DTR, and PAS each exchange, how one hands off to the next, and the authentication, versioning, performance, and testing rules underneath them.
What prior authorization is, why the process has been so slow, and what CMS-0057-F and HTI-4 require health plans to fix by January 2027.
Healthcare interoperability keeps failing for the same two reasons: inconsistent data models and bad sync. Here's what solving both would actually take.
How Epic EHR works under the hood: the MUMPS database, free FHIR APIs, integration paths, implementation costs, and why production access depends on a hospital.
Synthea generates brilliant synthetic patient data, but only in US Core. HiGHmed needed it in Germany's MII profiles. Here is how we rebuilt it. Fully open source.
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.
A practical guide to the world's most popular open-source EHR, its architecture, FHIR APIs, Docker setup, and where it can fit well.
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 the 21st Century Cures Act requires, who counts as an actor, the information blocking exceptions and penalties, and where enforcement stands in 2026.
This project breakdown looks at how we built Tip2Toe, a rare disease phenotyping application for Karolinska University Hospital.
Why openEHR works better as a silver layer in your data warehouse than as a CDR, and what that means for clinical data at scale.
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.
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.
Learn how EHR systems work, compare EHR vs EMR, explore FHIR interoperability, implementation costs, architecture, and key features in this complete guide.
You'd think I'd tell you about APIs or tools. The key is in understanding legal coverage.
My mother-in-law needed a clinical trial. My wife and I, both doctors, had a hard time finding the right one. I decided to try to solve it.
I make the case that SQL could be the solution to simplifying the layers of complexity in health data architecture. This is a written version of my talk at EHRCON 25.
Choosing a self-hosted FHIR server? This benchmark compares Couchbase FHIR and HAPI FHIR under real-world load from 100 to 1,000 concurrent users. Discover which handles higher throughput, maintains lower latency, and where each architecture hits its breaking point. Data-driven insights for healthcare infrastructure decisions.
But that hasn't mattered in years.
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.
We tried scaling with service partners, but it didn't work. Learn what went wrong, how we're fixing it, and why we're returning to our lean in-house team.
In this Digital Health Hackers episode, I discuss the Couchbase FHIR Server CE with Krishna Prasad Doddi, exploring our collaborative build and insights.
What can car factories from the 70s teach us about health data exchange?
Benchmark results and a failure deep-dive expose the real gap in healthcare data: missing semantic models, and the value-set workarounds they force.
EHR vendors holding your data hostage? openEHR separates clinical meaning from software so records outlive any app. Trusted by NHS, Catalonia & 8M+ patients.
Understand IHE XDS federated architecture: Registry, Repository, ITI-41/42/43 transactions & SOAP. Run a working XDS exchange locally with the NIST toolkit.
In conversation with Dr. Videha Sharma, CEO of Fava Health, Sidharth discusses the future of precision medicine and the technology infrastructure needed.
Here's how Medblock's partnered with Clinikk to build a longitudinal, openEHR-based EHR that supports their novel subscription-based care model.
Catalonia wanted an openEHR Clinical Data Repository for 8 million people. Medblocks worked with IBM and vitagroup to design the sync layer for hospitals.
We walk you through building a FHIR server on top of Couchbase's NoSQL database, covering challenges, technical decisions, architecture, and local setup.
Develop applications that suit your clinical needs with a deeper understanding of openEHR Archetype Classes and Clinical Knowledge Manager lifecycle.
Explore how FHIR compares to XDS in healthcare data sharing and what it means for interoperability between hospitals and clinics.
Learn how FHIR uses semantic versioning to manage updates, ensure compatibility and support smooth transitions between healthcare data standards like R4 and R5.
Explore real-world FHIR implementation examples across the US, India and Saudi Arabia, including 21st Century Cures Act, ABDM and Nphies healthcare initiatives.
A journey through 30 years of healthcare interoperability from costly 1980s interfaces to modern FHIR APIs following HL7's evolution to web-friendly resources.
Understand the 4 levels of healthcare interoperability with practical examples. Learn how HIMSS, FHIR, HL7, SNOMED CT, LOINC & CMS support health data exchange.
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 have a long history of filling gaps that core EHRs couldn't. Learn how sidecars started, evolved, and why they're still relevant today.
While open standards set the rules, open source gets the work done. Discuss choosing tools, handling semantics and making health systems interoperable.
Stop drowning in FHIR docs. From HAPI FHIR & Simplifier to Inferno & validators - 10 tools that save hours. Covers servers, testing & profiling. Updated 2026.
Learn the 12 essential FHIR resources with practical examples. Understand Patient, Observation, Encounter, Medication, and other core healthcare resources.
In episode 17 of Digital Health Hackers Podcast, Sidharth speaks to Christopher Jones, CEO of MatchRite Care, a patient-centered unified health record portal.
Explore three approaches to building RESTful FHIR servers: Facade, Synchronization, & Hybrid. Understand where REST APIs, Documents, and Messaging fit in FHIR.
A step-by-step guide to deploying patient-facing FHIR apps on Epic using Automatic Client ID Distribution, including eligibility criteria, and production setup.
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.
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
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.
This guide explores performing real-world operations like creating, reading, updating, and deleting patient data on a FHIR Server using Python.
Introducing openFHIR, an open-source bidirectional mapping engine converting between openEHR and FHIR standards. Built on FHIRConnect, Apache 2.0.
Explore all FHIR Questionnaire item types: string, boolean, coding, date, quantity & more. Includes real JSON examples for each type. Essential for form builders.
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.
This article simplifies AQL (Archetype Query Language) by breaking it down into basic concepts with examples suitable for even beginner openEHR levels.
This article provides a step-by-step guide to hosting an authenticated EHRbase server in the cloud and exposing its REST APIs over HTTPS using Traefik.
Understand openEHR's two-level model: Archetypes define clinical concepts, Templates combine them for workflows. Covers CKM, ADL format & real examples. Clear guide.
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 healthcare application using Cursor AI, HAPI FHIR, SvelteKit, and TypeScript with this practical step-by-step tutorial for beginners.
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.
E-Patient Dave's journey highlights the power of patient data access, collaboration, and open standards like FHIR and openEHR in transforming healthcare.
Leveraging PostgreSQL’s native full-text search, we cut query times from seconds to milliseconds, giving clinicians instant access to critical patient data.
How Catalonia unified 29 EMR systems into one openEHR CDR for 8 million residents. Jordi Piera, Director of Digital Health Strategy, explains the strategy.
See how Medblocks built FHIR-driven patient management system with intuitive workflows, helping doctors manage patients without EHR complexity or vendor lock-in.
Understand the FHIR Questionnaire resource from scratch, structure, item types, QuestionnaireResponse, and hands-on exploration using free NLM open-source tools.
Explore Christian Chevalley's vision for etherCIS3, openEHR, PostgreSQL FDW, and modern healthcare data platforms that connect fragmented legacy systems.
Discover how Medblocks redesigned an EHR interface for ophthalmology, improving clinical workflows, data visualization, and faster access to patient information
Discover why traditional EHRs fall short and how Medblocks combines health data platforms, open standards and extensible workflows to build healthcare software.
HAPI FHIR doesn't validate profiles by default — even with meta.profile set. Learn how to upload StructureDefinitions & enable validation via Docker env vars.
Step-by-step guide to deploying ERPNext Healthcare on Kubernetes. Covers patient care, billing, lab modules & FHIR integration. Open-source. Production-ready.
Learn how to build an EHRbase plugin using Spring Boot, JDBC and openEHR. Intercept composition events, implement transactions and deploy custom plugins easily.
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.
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.
Compare FHIR, openEHR, and OMOP healthcare standards to understand their roles in clinical documentation, data exchange, interoperability, and health analytics.
Use one FHIR API to query SNOMED, LOINC & ICD-10. Learn CodeSystems, ValueSets, ConceptMaps & key operations like $lookup & $expand. Clear guide with examples.
Discover Clayton Christensen's 3 healthcare business models and learn how Solution Shops, VAP organizations and Facilitated Networks improve care delivery.
Duplicate patient records cost lives. Learn how an EMPI fixes that with matching algorithms, blocking rules, and a single source of truth. Clear, practical 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.
Explore FHIR REST, Documents, Messaging, Services, and Storage paradigms with global healthcare implementation examples and interoperability best practices.
Discover India’s transition from volume-based to value-based care through PM-JAY, bundled payments, outcome-based incentives, and digital health transformation.
Migrate legacy EHR data to FHIR using Debezium, Kafka, and ETL pipelines. Learn real-time data synchronization, transformation & scalable healthcare integration.
Discover why medical transcription bridges the gap in healthcare digitization. Medblocks converts unstructured medical records into openEHR-compliant data.
Medblocks implemented all 3 ABDM milestones for Andhra Pradesh's Health Ministry, overcoming API, webhook, encryption, and FHIR transformation challenges.
Learn how ABDM enables digital healthcare in India through ABHA Health IDs, interoperability, consent management, UHI, APIs and secure health data exchange.
Learn how to design openEHR templates using Archetype Designer, import CKM archetypes, apply constraints, and export reusable templates for healthcare systems.
Learn how to use the openEHR Clinical Knowledge Manager (CKM) to search, explore and download archetypes, templates and termsets for real-world implementations.
Learn how SNOMED CT Extensions work, including namespaces, mappings, post-coordination, identifier rules, and real-world healthcare implementation examples.
Learn how the openEHR Clinical Knowledge Manager (CKM) manages archetypes, templates, governance, collaboration, and interoperability across healthcare systems.
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.
Learn what a Simple Refset in SNOMED CT is, how they work, their structure, terminology server usage, implementation examples, and real healthcare use cases.
Learn how the CMS Interoperability and Patient Access Final Rule mandates HL7 FHIR APIs for patient access, provider directories & payer-to-payer data exchange.
Implement SMART on FHIR backend authentication with OAuth2. Learn client credentials, symmetric secrets, asymmetric keys, JWT assertions & JWK setup for EHR API.
Learn how CMS and ONC interoperability rules are driving FHIR adoption. Explore SMART on FHIR, APIs, patient access, and healthcare data exchange standards.
Discover how Medblocks evolved from blockchain into a healthcare interoperability platform using FHIR, openEHR and open standards to simplify digital health.
PHC system by Kyushu University & Grameen Communications uses eHealth and telemedicine, integrates openEHR and FHIR, serving 45,000+ patients since 2010.
Master the SNOMED CT Browser: search concepts, read FSNs, filter by semantic tags, run ECL queries & validate with MRCM. Includes ECL short-form gotcha. Clear guide.
Medblocks UI, open-source alternative to Better EHR Studio for auto-generating forms from openEHR templates, now available under Apache 2 license.
Learn how to set up a SNOMED CT terminology server using Hermes & Docker. Import RF2 releases, build indexes, deploy searchable terminology APIs for healthcare
Dr. Sidharth and team developed a Covid care application for Dr. Sunil Gokavi's facility during the second wave, enhancing patient data analysis.
Exploring web components for front-end development, moving from Vue to Svelte for Medblocks UI, focusing on lit-html for framework-independent UI.
