Advancing Patient Care with a Cross-Platform Health App

Reinvented health care app

Working with Centizen was a turning point in our digital transformation. Their mobile app experts brought our vision to life through a secure, scalable healthcare platform that truly bridges the gap between our care teams and patients. Their commitment to quality and deep understanding of the healthcare domain made all the difference.

– Director of Digital Health

Integrated Care Network

A U.S.-based integrated care provider offering comprehensive health services through a not-for-profit health plan. Known for its commitment to patient-centered care, innovative digital health initiatives, and a strong presence across multiple regions.

The Challenge

To enhance patient experience and streamline care delivery, a mobile solution was needed—one that could securely support appointment scheduling, medical record access, and prescription tracking, all while improving communication between patients and care teams.

The Solution

Centizen deployed a cross-functional agile team—including mobile developers, QA engineers, and cloud architects—to build a HIPAA-compliant, cross-platform app with seamless EHR integration and real-time messaging features.

The Outcome

The mobile app improved treatment turnaround time, reduced patient no-shows, and enhanced patient satisfaction through better engagement and on-demand medical data access.

A U.S.-based integrated care provider offering comprehensive health services through a not-for-profit health plan. Known for its commitment to patient-centered care, innovative digital health initiatives, and a strong presence across multiple regions.

The Challenge

To enhance patient experience and streamline care delivery, a mobile solution was needed—one that could securely support appointment scheduling, medical record access, and prescription tracking, all while improving communication between patients and care teams.

The Solution

Centizen deployed a cross-functional agile team—including mobile developers, QA engineers, and cloud architects—to build a HIPAA-compliant, cross-platform app with seamless EHR integration and real-time messaging features.

The Outcome

The mobile app improved treatment turnaround time, reduced patient no-shows, and enhanced patient satisfaction through better engagement and on-demand medical data access.

The Solution

Phase 1: Discovery & Team Assembly (Weeks 1–2)

Centizen assembled a dedicated agile squad: mobile developers (React Native), UI/UX designers, DevOps engineers, and QA specialists. The team conducted stakeholder workshops and compliance assessments to finalize the app’s architecture and patient journey mapping.

Phase 2: Platform Design & Prototyping (Month 1)

A responsive UI/UX was designed for both iOS and Android platforms using Figma and Material Design standards. The design accounted for accessibility, user personalization, and support for multilingual patients.

Phase 3: Development & Integration (Month 2–3)

  • Developed the app using React Native for rapid cross-platform rollout.
  • Integrated with FHIR-based APIs to pull patient data from EHRs (e.g., Epic).
  • Implemented secure messaging between doctors and patients.
  • Enabled features for appointment scheduling, medication tracking, lab report access, and treatment history.
  • Backend powered by AWS Lambda, S3, and RDS with encryption at rest and in transit.

Phase 4: Testing & Compliance Validation (Month 4)

Centizen’s QA team ran manual and automated testing (Appium for mobile, Postman for APIs) and executed regression, performance, and security tests. Compliance checks for HIPAA, GxP, and SOC2 were conducted with supporting documentation for audits.

Phase 5: Deployment & Handover (Month 5)

  • CI/CD pipelines using GitLab ensured smooth deployment to the App Store and Google Play.
  • Knowledge transfer and operational training provided to internal IT and support teams.
  • Support offered post-launch to monitor app usage and resolve patient feedback loops.

The Solution

Phase 1: Discovery & Team Assembly (Weeks 1–2)

Centizen assembled a dedicated agile squad: mobile developers (React Native), UI/UX designers, DevOps engineers, and QA specialists. The team conducted stakeholder workshops and compliance assessments to finalize the app’s architecture and patient journey mapping.

Phase 2: Platform Design & Prototyping (Month 1)

A responsive UI/UX was designed for both iOS and Android platforms using Figma and Material Design standards. The design accounted for accessibility, user personalization, and support for multilingual patients.

Phase 3: Development & Integration (Month 2–3)

  • Developed the app using React Native for rapid cross-platform rollout.
  • Integrated with FHIR-based APIs to pull patient data from EHRs (e.g., Epic).
  • Implemented secure messaging between doctors and patients.
  • Enabled features for appointment scheduling, medication tracking, lab report access, and treatment history.
  • Backend powered by AWS Lambda, S3, and RDS with encryption at rest and in transit.

Phase 4: Testing & Compliance Validation (Month 4)

Centizen’s QA team ran manual and automated testing (Appium for mobile, Postman for APIs) and executed regression, performance, and security tests. Compliance checks for HIPAA, GxP, and SOC2 were conducted with supporting documentation for audits.

Phase 5: Deployment & Handover (Month 5)

  • CI/CD pipelines using GitLab ensured smooth deployment to the App Store and Google Play.
  • Knowledge transfer and operational training provided to internal IT and support teams.
  • Support offered post-launch to monitor app usage and resolve patient feedback loops.

The Outcome

Improved Patient Engagement

The mobile app enabled 24/7 access to medical records, test results, and prescriptions, fostering patient autonomy and trust.

Faster Treatment Decisions

Physicians accessed patient history and lab reports in real-time, accelerating diagnosis and reducing admin overhead.

Better Appointment Adherence

Automated reminders and self-scheduling features led to a 35% reduction in no-shows

Secure & Compliant Data Handling

End-to-end encryption, audit trails, and role-based access controls ensured full HIPAA and GxP compliance.

The Outcome

Improved Patient Engagement

The mobile app enabled 24/7 access to medical records, test results, and prescriptions, fostering patient autonomy and trust.

Faster Treatment Decisions

Physicians accessed patient history and lab reports in real-time, accelerating diagnosis and reducing admin overhead.

Better Appointment Adherence

Automated reminders and self-scheduling features led to a 35% reduction in no-shows

Secure & Compliant Data Handling

End-to-end encryption, audit trails, and role-based access controls ensured full HIPAA and GxP compliance.

Strategic Outcomes

40%

increase in patient portal usage

30%

faster appointment scheduling

50%

improvement in patient-doctor communication turnaround time

Through a rapid 5-month build, Centizen brought to life a cross-platform health app—improving patient communication, reducing delays, and supporting HIPAA compliance.

Centizen

A Leading Staffing, Custom Software and SaaS Product Development company founded in 2003. We offer a wide range of scalable, innovative IT Staffing and Software Development Solutions.

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