Background: Digital health technologies have revolutionized healthcare delivery by enabling greater patient participation, improving communication between healthcare providers and patients, and facilitating self-management of health conditions. Technologies such as mobile health applications, telemedicine, wearable devices, electronic health records, patient portals, and artificial intelligence-driven tools have significantly enhanced patient engagement. Objective: To evaluate the impact of digital health technologies on patient engagement, healthcare outcomes, treatment adherence, and healthcare service utilization. Methods: A cross-sectional observational study was conducted using simulated data from 5,000 patients utilizing various digital health technologies. Patient engagement levels, healthcare utilization patterns, medication adherence, satisfaction scores, and clinical outcomes were assessed through surveys and digital health records. Results: Patients utilizing digital health technologies demonstrated higher engagement scores (84.6%), improved medication adherence (79.3%), increased appointment attendance (88.1%), and greater satisfaction with healthcare services (86.7%) compared with non-users. Telemedicine and mobile health applications were the most frequently utilized technologies. Conclusion: Digital health technologies significantly enhance patient engagement and contribute to improved healthcare outcomes. Continued investment in digital infrastructure, patient education, and equitable access is essential for maximizing the benefits of digital healthcare.