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OystEHR FHIR API
OystEHR
Developer Tools & APIs
OystEHR is an API-first health tech cloud service providing FHIR-based data interoperability and infrastructure for developing next-gen healthcare solutions, with EHR integration and compliance as a single service.

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About OystEHR

OystEHR is a developer-first health technology platform that provides a headless Electronic Health Record (EHR) system. It offers a cloud-service with comprehensive APIs, hosted infrastructure, compliance tools, and customizable data models, enabling healthcare technology developers to build scalable, secure, and regulation-compliant applications. The platform aims to solve the challenges of EHR integrations and the difficulty of customizing user interfaces to meet clinical and patient needs, which are common problems with traditional monolithic EHRs.

For physicians, OystEHR’s underlying platform allows for the creation of highly customized EHR solutions that can fit specific clinical workflows and use cases, potentially leading to significant improvements in patient and provider satisfaction and long-term cost savings. It offers FHIR-based data interoperability, which is crucial for seamless data exchange with other healthcare systems and devices, reducing the average of 780 hours per physician annually spent on manually reconciling data. The platform also supports a wide range of clinical services including telehealth, patient messaging, e-prescriptions, insurance validation, and claims submission, all integrated directly with the FHIR service to automatically record encounters in the patient record. OystEHR also ensures compliance with standards like HIPAA, ONC, FHIR, USCDI, and X12, simplifying regulatory complexities for healthcare organizations.

Focus Areas

Headless EHR API-first healthcare platform EHR interoperability healthcare compliance custom EHR development telehealth revenue cycle management patient engagement scheduling charting identity and access management

Business Intelligence

Key InvestorsMassLight
PartnershipsPM Pediatric Care, Pacify, FlexTogether, Advantia Health
TechnologyCloud-native, API-first, headless EHR, FHIR R4 and R5 APIs, serverless technology, Zambdas (custom endpoints), Auth0 for authentication

What Physicians Need to Know

Headless EHR Platform
OystEHR is a cloud-hosted, headless EHR platform, meaning it provides the backend infrastructure, APIs, and compliance without a pre-built user interface. This allows developers to create highly customized front-end solutions.
FHIR-Native Data Model
The platform is built on FHIR (Fast Healthcare Interoperability Resources) R4 and R5 as its native data model, which simplifies interoperability and data exchange with other healthcare systems.
Comprehensive APIs & Services
OystEHR offers a wide range of APIs and services, including authentication, custom endpoints (Zambdas), telehealth (video, SMS, chat), e-prescribing (eRx), insurance validation, claims submission, and payment processing.
Built-in Compliance
The platform is designed to handle the complexities of healthcare regulations, ensuring compliance with FHIR, USCDI, ONC, X12, and HIPAA standards from the start.
Developer-First Approach
OystEHR is designed for developers, offering tools like a developer console and SDKs to build and maintain custom health tech solutions.
AI Tools (via Ottehr)
Through its complementary open-source EHR, Ottehr, OystEHR offers AI tools such as an AI HPI and medical history chatbot, AI ambient scribe and encounter documentation, and an AI coding assistant to enhance clinical efficiency.
Physician Tip

For physicians, OystEHR's headless approach means that while it doesn't come with a pre-built interface, it empowers healthcare organizations to create highly customized EHR solutions that precisely fit their unique workflows and specialties. This can lead to a more intuitive and less frustrating user experience compared to monolithic EHRs. The FHIR-native design ensures seamless data exchange, reducing repetitive data entry and providing a comprehensive view of patient history across different systems. The integrated clinical services like telehealth, e-prescribing, and automated claims submission can streamline daily operations, allowing more focus on patient care. Additionally, the AI tools available through Ottehr can significantly enhance efficiency in documentation and coding.

OystEHR is an API-first solution, designed for extensive interoperability. It can integrate with a wide array of external systems and services, including existing EHRs like Epic and Athenahealth, as well as various other healthcare and business tools. Its use of FHIR as a native data model removes the need for complex mapping, making integrations much smoother. The platform also supports inbound and outbound 'Zambdas' (serverless hosted functions) for custom integrations and event-driven data pushes.

Products by OystEHR

1 product in the directory

OystEHR FHIR API
OystEHR
Developer Tools & APIs
OystEHR is an API-first health tech cloud service providing FHIR-based data interoperability and infrastructure for developing next-gen healthcare solutions, with EHR integration and compliance as a single service.

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Videos

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Press & Coverage

OystEHR Blog
Oystehr & Ottehr: Our Comprehensive Healthcare Technology Solutions
This article details OystEHR's advanced cloud infrastructure for healthcare development and its complementary open-source EHR platform, Ottehr, highlighting how they reduce development effort and ensure compliance.
2025-01
OystEHR Blog
Why We're Building Oystehr
This post explains the rationale behind OystEHR's creation, focusing on its API-first approach, compliance features, and interoperability to overcome limitations of traditional EHRs.
2024-11
OystEHR Blog
Oystehr Blog | How APIs are Transforming Healthcare
This article discusses the crucial role of APIs in modern healthcare, emphasizing how OystEHR's API-first solution facilitates data exchange, enhances user experience, and enables comprehensive longitudinal patient records.
Unknown
Indie Hackers
New EHR development platform: Oystehr
This announcement introduces OystEHR as a state-of-the-art solution for building, customizing, and deploying EHRs, seeking early partners to shape its future development.
2023-03
Indie Hackers
Oystehr 1.0 & New Open-Source EHR
This post announces the release of OystEHR 1.0 with key features like FHIR R4/R5 API, telehealth, and an open-source EHR called Ottehr.
2023-12
YouTube (ZapEHR)
EHRS: Build or Buy? Making the Right Choice for Your Healthcare System
This video discusses the build vs. buy dilemma for EHR systems, mentioning headless EHRs like ZapEHR (a competitor) as a modular alternative that combines benefits of both approaches.
2024-03

Frequently Asked Questions

OystEHR is a developer-first, headless EHR cloud service that provides the foundational infrastructure and APIs for building custom healthcare applications. It offers secure and compliant backend services for features like telemedicine EHRs, scheduling, patient portals, and AI-enabled clinical decision support tools. OystEHR's complementary platform, Ottehr, further enhances clinical efficiency with AI solutions such as an AI HPI and medical history chatbot, AI ambient scribe for encounter documentation, and an AI coding assistant.
OystEHR is built with security and compliance as a top priority, ensuring adherence to FHIR, USCDI, ONC, X12, and HIPAA standards. It offers ONC certification as a service and is SOC 2 Type 1 certified, demonstrating its commitment to high-level security and trustworthy management of sensitive healthcare data. The platform handles the complexities of evolving mandates and diverse payer requirements to ensure applications remain compliant.
OystEHR utilizes a transparent, usage-based pricing model, meaning there are no upfront expenses, lengthy annual commitments, per-provider fees, or hidden costs for integrations or API access. Customers pay only for what they use, with costs for items like monthly active users, FHIR/Project API invocations, custom function invocations, and storage. There are also specific charges for medical services such as e-prescribing, insurance eligibility checks, and comprehensive RCM.
OystEHR, through Ottehr/MassLight, provides 24/7 support, addressing bugs quickly and offering seamless processes for adding custom features and upgrades. They offer support via their Slack server and email. Additionally, OystEHR aims to reduce the time and cost to deploy best-of-breed healthcare software, including full-scope EHRs, by providing the necessary infrastructure and APIs.
OystEHR partners with various companies to offer a comprehensive health tech developer platform. While specific AI partnerships aren't detailed, OystEHR integrates with systems like Epic, Athenahealth, Oracle Cerner, Twilio, and SendGrid to enable seamless data exchange and enhanced workflows. These integrations allow healthcare organizations to build custom solutions for areas like scheduling, insurance validation, and claims submission, leveraging existing systems.
OystEHR was founded in 2022 and is a privately held company. It emerged from MassLight's two decades of experience working with health-tech startups, aiming to solve the challenges of EHR integrations and slow innovation. OystEHR's long-term goal is to reduce the time and cost to deploy best-of-breed healthcare software, including full-scope EHRs, by 95%, making custom EHR deployments take weeks or months instead of years.
OystEHR's platform, particularly through its complementary Ottehr EHR, offers several AI-powered tools to enhance clinical efficiency. These include an AI HPI (History of Present Illness) and medical history chatbot, an AI ambient scribe for encounter documentation, and an AI coding assistant. These tools are designed to help clinics manage patients faster, ensure accurate records, and improve the overall patient experience.

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