HIPAA-Compliant EHR System Development

I need a secure, web-based EHR system for therapy notes, compatible with macOS. The system should allow me to store, sign, and lock therapy notes. I also need a feature to export notes after they are locked and signed.

Essential Features:
- Voice-to-text transcription
- Template-based notes
- Export function for locked/signed notes

Ideal Skills:
- Experience with HIPAA compliance
- Proficiency in web application development
- Familiarity with secure note-taking functionalities
- macOS compatibility

Looking for an experienced developer to ensure data security and compliance.