FHIR API Integration
FHIR R4 APIs for healthcare data access and interoperability.
Explore FHIR API IntegrationMedical Software Development
Custom healthcare applications, clinical decision support systems, FDA-regulated SaMD, and EHR software development — built by a team that understands clinical workflows, regulatory requirements, and healthcare interoperability.
What We Offer
Medical Software Development Services
Full-lifecycle medical software development — from requirements and architecture through FDA submission, deployment, and ongoing maintenance.
Custom Healthcare App Development
We build custom healthcare software tailored to your organization's clinical and operational workflows. Our development team delivers web and mobile applications with HIPAA-compliant infrastructure, role-based access controls, audit logging, and end-to-end encryption. Every application is designed for seamless EHR integration using FHIR R4 APIs and standards-based interoperability, ensuring your software connects to the clinical systems your teams already use.
Clinical Decision Support
Design and build clinical decision support software that surfaces evidence-based recommendations at the point of care. We implement CDS Hooks for real-time EHR-embedded alerts, SMART on FHIR applications for in-context clinical tools, and standalone CDS engines that evaluate clinical rules against patient data. Our CDS systems integrate with Epic, Oracle Health, and other major EHR platforms to deliver actionable guidance within existing clinical workflows without disrupting provider efficiency.
Patient Engagement Apps
Patient portals, mobile health applications, remote monitoring dashboards, and self-service scheduling tools designed to improve patient engagement and outcomes. We build patient-facing applications with OAuth 2.0 authentication, secure messaging, appointment management, medication tracking, and health record access. Every patient engagement platform we deliver meets HIPAA requirements for protected health information and integrates with your EHR to provide patients with a unified view of their care.
SaMD & IEC 62304 Compliance
Software as a Medical Device (SaMD) development following IEC 62304 software lifecycle processes, ISO 14971 risk management, and FDA regulatory pathway guidance. We support 510(k), De Novo, and Pre-Submission strategies with comprehensive design history files, software requirements specifications, and verification and validation documentation. Our team has experience with Class I, Class II, and Class III device software across diagnostic, therapeutic, and monitoring applications.
EHR Software Development
Custom EHR modules, practice management extensions, and clinical workflow applications built to integrate natively with your electronic health record system. We develop EHR add-ons using SMART on FHIR, native platform SDKs, and custom API integrations that extend your EHR's capabilities without replacing it. From specialty-specific charting templates to automated clinical documentation tools, our EHR software development services help you get more value from your existing EHR investment.
Legacy Modernization
Modernize aging healthcare applications with cloud-native architecture, API-first design, and containerized deployment. We migrate monolithic clinical systems to microservices, replace proprietary interfaces with FHIR R4 APIs, and re-platform on-premise applications to AWS or Azure with HIPAA-eligible infrastructure. Our modernization approach preserves business logic and clinical workflows while delivering the scalability, maintainability, and interoperability that modern healthcare demands.
Technical Expertise
Deep Healthcare Development Capabilities
Our healthcare software development services span custom application development, clinical system integration, and FDA-regulated medical device software.
Healthcare app development requires a fundamentally different approach than general-purpose software. Every architectural decision — from data storage and encryption to API design and user authentication — must account for HIPAA's Security Rule, patient safety considerations, and the clinical context in which the application will be used. Our team builds healthcare applications on HIPAA-compliant cloud infrastructure with end-to-end encryption, comprehensive audit trails, and role-based access controls that map to clinical roles and responsibilities.
We develop both web and mobile healthcare applications using modern frameworks that deliver responsive, accessible interfaces for clinicians, administrators, and patients. On the backend, our applications integrate with EHR systems through FHIR R4 APIs, HL7 v2 interfaces, and custom API endpoints to ensure bidirectional data flow between your application and the clinical systems of record. We handle OAuth 2.0 and SMART on FHIR authorization flows, patient matching logic, and terminology mapping so your application works correctly across different EHR environments and clinical data sources.
Our healthcare app development process includes HIPAA security risk assessments, penetration testing, and compliance documentation as standard deliverables — not afterthoughts. We build automated test suites that validate both functional requirements and security controls, and we deploy to HIPAA-eligible cloud environments with monitoring, alerting, and incident response procedures already in place. The result is a healthcare application that is secure, interoperable, and ready for production use in a regulated environment from day one.
Clinical decision support software transforms raw clinical data into actionable recommendations at the point of care. We build CDS systems using the HL7 CDS Hooks standard, which enables real-time, event-driven alerts that fire within the clinician's EHR workflow — at order entry, medication prescribing, patient chart review, and other decision points. Our CDS Hooks implementations integrate with Epic, Oracle Health, and other EHR platforms that support the standard, delivering evidence-based suggestions as information cards directly within the provider's workspace.
For more complex clinical decision support scenarios, we develop SMART on FHIR applications that provide rich interactive interfaces within the EHR context. These applications can pull patient data from the EHR via FHIR R4 APIs, apply clinical rules and algorithms, and present results in a purpose-built UI that clinicians can act on without leaving their workflow. Use cases include risk calculators, clinical scoring tools, drug interaction checkers, diagnostic support systems, and care pathway navigators that guide providers through evidence-based treatment protocols.
Beyond individual clinical tools, we build clinical workflow automation systems that orchestrate multi-step processes across departments and systems. This includes automated order routing, clinical documentation assistance, care coordination platforms, and quality measure dashboards that aggregate data from multiple clinical sources. Our clinical systems are built with healthcare interoperability at the core — using FHIR R4, HL7 v2, and standard terminologies like SNOMED CT, LOINC, and ICD-10 to ensure data consistency and portability across your clinical ecosystem.
Software as a Medical Device (SaMD) development requires a rigorous, documentation-heavy software lifecycle that satisfies FDA regulatory expectations. We follow IEC 62304 for software lifecycle processes, ISO 14971 for risk management, and IEC 62366 for usability engineering — the three standards that form the foundation of any SaMD regulatory submission. Our development process produces the design history file (DHF) artifacts that FDA reviewers expect: software requirements specifications, architecture design documents, traceability matrices, risk analysis reports, and verification and validation protocols with documented evidence of execution.
Choosing the correct FDA regulatory pathway is critical to your SaMD timeline and budget. We help you determine whether your software qualifies as a Class I exempt device, requires a 510(k) premarket notification, or needs a De Novo classification request based on the intended use, clinical significance, and risk profile. For AI/ML-based SaMD, we guide you through FDA's predetermined change control plan framework and the evolving regulatory landscape for adaptive algorithms. Our team has experience with Pre-Submission meetings, FDA Q-submissions, and the iterative review process that brings a medical device to market clearance.
SaMD Classification Matrix (IMDRF Framework)
| Condition Severity | Inform Clinical Mgmt | Drive Clinical Mgmt | Treat or Diagnose |
|---|---|---|---|
| Critical | Class II | Class III | Class III |
| Serious | Class I | Class II | Class III |
| Non-Serious | Class I | Class I | Class II |
Based on the IMDRF SaMD risk categorization framework adopted by FDA for Software as a Medical Device classification.
Our Process
Healthcare Software Development Lifecycle
Every medical software project follows a structured, six-phase lifecycle aligned with IEC 62304 and FDA guidance — from initial discovery through production maintenance.
2-4 weeks
Discovery & Requirements
We define the clinical problem, identify stakeholders, map existing workflows, and document software requirements specifications (SRS). This phase includes regulatory classification for SaMD, HIPAA risk assessment scoping, and preliminary architecture decisions that shape the rest of the project.
2-3 weeks
Architecture & Design
System architecture design, technology stack selection, EHR integration planning, and UI/UX wireframing for clinical users. We produce architecture design documents, interface specifications, and a traceability matrix linking requirements to design elements — essential artifacts for both FDA submissions and HIPAA compliance.
8-16 weeks
Development
Agile development in two-week sprints with continuous integration, automated testing, and regular clinical stakeholder demos. Our developers build on HIPAA-compliant cloud infrastructure from day one, implementing FHIR R4 integrations, security controls, and audit logging as the application takes shape rather than retrofitting them later.
3-6 weeks
Validation & Testing
Comprehensive verification and validation including unit testing, integration testing, clinical user acceptance testing, security penetration testing, and performance load testing. For SaMD projects, we execute formal IQ/OQ/PQ protocols and produce validation reports that satisfy FDA's quality system requirements.
1-2 weeks
Deployment & Go-Live
Production deployment to HIPAA-eligible cloud infrastructure with monitoring, alerting, and incident response procedures. We manage DNS cutover, SSL certificate provisioning, EHR integration activation, and user training to ensure a smooth go-live with minimal disruption to clinical operations.
Ongoing
Maintenance & Iteration
Post-launch support including bug fixes, security patches, EHR API version upgrades, and feature enhancements based on clinical user feedback. We provide SLA-backed uptime guarantees, proactive monitoring, and regular compliance reviews to keep your healthcare application secure and current.
Real-World Impact
Healthcare Software in Practice
Custom healthcare applications we build for health systems, startups, payers, and device companies.
Health System
Custom Patient Portal with EHR Integration
A regional health system needed a branded patient portal that consolidated data from Epic and Oracle Health instances across 12 facilities. We built a FHIR R4-powered web application with unified patient identity matching, appointment scheduling, secure messaging, and lab results viewing — all authenticated through each facility's EHR OAuth 2.0 endpoint. The portal reduced call center volume by 35% and increased patient engagement scores within the first six months of deployment.
Digital Health Startup
FDA-Cleared Remote Monitoring Platform
A digital health startup required a cloud-based remote patient monitoring platform capable of ingesting continuous vital sign data from wearable medical devices. We developed the SaMD application following IEC 62304 lifecycle processes, built the FDA 510(k) submission package, and deployed the platform on HIPAA-eligible AWS infrastructure. The software processes real-time heart rate, blood pressure, and SpO2 data with clinical alerting thresholds and provider notification workflows.
Health Plan
Population Health Risk Stratification Engine
A health plan serving 400,000 members needed a risk stratification engine to identify high-risk patients for care management outreach. We built a cloud-native analytics application that ingests claims data, clinical data via FHIR Bulk Data Export, and social determinants of health indicators to generate composite risk scores. The engine processes nightly batch runs and surfaces prioritized member lists in a care manager dashboard with actionable intervention recommendations.
Medical Device Company
Companion Diagnostic Application
A medical device manufacturer needed a companion software application to visualize diagnostic results from their point-of-care testing device and integrate findings into the patient's EHR record. We developed a SMART on FHIR application that launches within Epic and Oracle Health, displays test results with clinical context, and writes structured observations back to the patient chart via FHIR R4 APIs. The application was classified as a Class II SaMD and cleared through the FDA De Novo pathway.
Frequently Asked Questions
Common Questions
Healthcare software development is the design, engineering, testing, and deployment of software applications purpose-built for the healthcare industry. This includes custom clinical applications, patient engagement platforms, electronic health record (EHR) modules, clinical decision support systems, population health analytics tools, and Software as a Medical Device (SaMD). Unlike general-purpose software, healthcare software development requires deep familiarity with HIPAA security and privacy requirements, healthcare interoperability standards like HL7 and FHIR, clinical workflow design, and — for device software — FDA regulatory pathways. A healthcare software development partner brings both technical engineering expertise and domain knowledge of the clinical, regulatory, and compliance landscape.
Medical software development costs vary significantly based on complexity, regulatory requirements, and integration scope. A straightforward HIPAA-compliant patient-facing web application with EHR integration typically ranges from $150,000 to $400,000 for initial development. Clinical decision support systems and custom EHR modules fall in the $200,000 to $600,000 range depending on the number of EHR platforms supported and the complexity of the clinical logic. FDA-regulated SaMD projects carry additional costs for regulatory documentation, validation testing, and submission preparation — often adding $100,000 to $300,000 to the base development budget. Ongoing maintenance, hosting, and support typically run 15-20% of the initial development cost annually. We scope every engagement with transparent estimates tied to specific deliverables and milestones.
Software as a Medical Device (SaMD) is software that performs a medical function on its own, without being part of a physical medical device. The International Medical Device Regulators Forum (IMDRF) defines SaMD as software intended to be used for one or more medical purposes that performs these purposes without being part of a hardware medical device. Examples include diagnostic imaging analysis software, clinical decision support tools that drive treatment decisions, and remote monitoring platforms that generate clinical alerts. The FDA regulates SaMD based on the significance of the information it provides and the seriousness of the health condition it addresses, using a risk-based classification framework (Class I, II, or III) that determines the regulatory pathway — from exempt registration to full 510(k) or De Novo submission.
HIPAA-compliant app development requires implementing the administrative, physical, and technical safeguards defined in the HIPAA Security Rule whenever the application creates, receives, maintains, or transmits protected health information (PHI). Technical requirements include encryption at rest (AES-256) and in transit (TLS 1.2+), unique user authentication, role-based access controls, automatic session timeout, and comprehensive audit logging of all PHI access events. Infrastructure must be deployed on HIPAA-eligible cloud platforms with a signed Business Associate Agreement (BAA) in place. Beyond technical controls, HIPAA compliance requires a documented security risk assessment, workforce training, incident response procedures, and ongoing vulnerability management. Our healthcare software development process builds these controls into the architecture from the first sprint rather than attempting to add them after the application is built.
Custom healthcare applications integrate with EHR systems primarily through FHIR R4 APIs for modern data exchange and HL7 v2 interfaces for legacy message flows. FHIR R4 enables RESTful access to patient demographics, clinical observations, medication records, lab results, and other clinical data using standardized JSON resources secured with OAuth 2.0. SMART on FHIR allows applications to launch directly within the EHR workspace with full clinical context — the user's identity, the current patient, and the active encounter. For real-time event-driven workflows like ADT notifications, order routing, and lab results delivery, HL7 v2 TCP/MLLP interfaces remain essential. Most custom healthcare apps use a combination of both standards, connecting through integration engines like Mirth Connect for message routing and transformation. We handle the full integration lifecycle including API registration, scope negotiation, sandbox testing, and production certification with each EHR vendor.
Healthcare app development timelines depend on the application type, regulatory requirements, and integration complexity. A HIPAA-compliant web application with a single EHR integration typically takes 4 to 6 months from discovery through production deployment. Clinical decision support systems with multiple EHR integrations and complex clinical logic require 6 to 9 months. FDA-regulated SaMD projects add 3 to 6 months for regulatory documentation, formal verification and validation, and the FDA submission and review process. Our structured six-phase development lifecycle — discovery, architecture, development, validation, deployment, and maintenance — provides clear milestones and timeline visibility throughout the project. The most common timeline factor we see is EHR integration certification, which can add 8 to 16 weeks depending on the vendor's review process.
IEC 62304 is the international standard for medical device software lifecycle processes. It defines the development activities required to produce safe, effective software that meets regulatory expectations — including software development planning, requirements analysis, architectural design, detailed design, unit implementation, integration testing, and system testing. IEC 62304 classifies software into three safety classes (A, B, and C) based on the potential for harm, with each class requiring progressively more rigorous documentation and verification activities. For any software that qualifies as a medical device or is embedded in a medical device, IEC 62304 compliance is expected by the FDA (US), EU MDR (Europe), and other regulatory bodies as part of premarket submissions. Saga IT's healthcare software development process follows IEC 62304 lifecycle requirements, producing the design history file artifacts — software requirements specifications, architecture documents, traceability matrices, and verification and validation protocols — that regulators expect.
Off-the-shelf healthcare software provides standardized functionality for common use cases — general-purpose EHRs, practice management systems, and billing platforms fall into this category. Custom healthcare software is built to address specific clinical workflows, operational processes, or clinical decision support requirements that off-the-shelf products cannot adequately serve. The trade-off is straightforward: off-the-shelf solutions are faster to deploy and lower in upfront cost, but they require your organization to adapt its workflows to the software's design. Custom software adapts to your workflows and provides competitive differentiation, but requires a larger initial investment and an ongoing maintenance commitment. Most healthcare organizations use a hybrid approach — off-the-shelf EHR and practice management as the foundation, with custom applications filling the workflow gaps and providing specialized capabilities that differentiate their care delivery. Our healthcare software development practice helps organizations determine the right mix and build what off-the-shelf products can't.
Healthcare workflow automation is the use of software to automate repetitive, rule-based clinical and administrative processes that traditionally require manual intervention. Common healthcare workflow automation use cases include prior authorization processing (automating submission, status tracking, and decision routing through FHIR-based APIs), referral management (automated triage, routing, and follow-up tracking across provider networks), clinical documentation workflows (structured data capture, template-driven note generation, and automated coding assistance), care coordination (automated discharge notifications, follow-up appointment scheduling, and care gap alerting), and revenue cycle tasks (charge capture, claims scrubbing, denial management, and payment posting). Effective workflow automation requires deep integration with EHR systems, payer platforms, and ancillary clinical applications — the automation logic must operate within the context where clinical data originates. Saga IT builds healthcare workflow automation solutions using FHIR R4 APIs, HL7 v2 interfaces, and integration engine orchestration through Mirth Connect, enabling organizations to automate high-volume processes incrementally without replacing existing systems.
Related Services
Explore More Services
Resources
Talk to a Healthcare Software Expert
From clinical decision support to patient-facing mobile apps — let's build your healthcare application the right way.