What is Health Informatics?

Health informatics is the field that focuses on how healthcare data is collected, organized, and used to improve patient care and healthcare operations. Healthcare organizations generate enormous amounts of data every day, from electronic health records and insurance claims to wearable devices and telehealth platforms, and that volume continues to grow rapidly.

As healthcare systems become increasingly digital, organizations rely on health informatics to manage information effectively and use data to support clinical decisions, research, and public health initiatives.

According to the American Medical Informatics Association, health informatics integrates information science, computer science, and healthcare knowledge to improve the management and use of health information across healthcare systems.

What Do Health Informatics Professionals Do?

Health informatics professionals ensure that healthcare data systems are designed and used to support both patient care and organizational decision-making.

Depending on their role and background, they may work on projects such as:

• Managing and improving electronic health record systems
• Analyzing patient and population health data
• Improving clinical workflows and documentation processes
• Implementing new healthcare technologies
• Supporting public health data reporting and surveillance
• Ensuring patient data privacy and regulatory compliance

These professionals regularly collaborate with physicians, nurses, administrators, IT teams, and data specialists to ensure that systems are practical, efficient, and aligned with clinical needs. They work across a range of settings, including hospitals and health systems, insurance companies, public health agencies, consulting firms, and healthcare technology organizations.

Why Health Informatics Matters in Healthcare

Healthcare organizations rely on data to deliver care, manage operations, and monitor population health. Health informatics helps turn that data into meaningful insights that improve outcomes and efficiency.

1. Improving Patient Care

Electronic health records allow clinicians to access patient histories, medications, lab results, and diagnostic information in one place. This supports better communication across care teams and more informed treatment decisions.

2. Increasing Efficiency in Healthcare Systems

Health informatics systems help streamline administrative work, reduce duplicate testing, and improve documentation processes. These efficiencies allow healthcare providers to focus more time on patient care.

Medical errors remain a significant challenge. A John Hopkins study published in The BMJ estimated that medical error may contribute to more than 250,000 deaths each year in the United States. More reliable data systems and clinical decision support tools can help reduce preventable errors and improve patient safety.

3. Supporting Public Health and Research

Health informatics plays a key role in population health and medical research. By analyzing large datasets, healthcare organizations and researchers can identify trends, evaluate treatments, and improve care strategies.

Public health agencies such as the Centers for Disease Control and Prevention rely on informatics systems to monitor disease patterns and guide public health responses. These capabilities are especially important for managing chronic conditions, tracking outbreaks, and advancing health equity initiatives.

4. Expanding Patient Access to Health Information

Digital health tools make it easier for patients to access their health information and stay engaged in their care. Patient portals, telehealth platforms, and remote monitoring tools allow individuals to review records, communicate with providers, and track health data outside of traditional clinical settings.

Career Opportunities in Health Informatics

As healthcare data continues to grow, organizations need professionals who understand both healthcare systems and data analysis. According to the U.S. Bureau of Labor Statistics, employment for data scientists is projected to grow 33 percent from 2024 to 2034, much faster than the average for all occupations.

Some of the common health informatics careers include:

Hospitals and Health Systems

• Clinical Informaticist: $95,000 to $140,000 per year
• Health IT Project Manager: $105,000 to $145,000 per year

Insurance and Healthcare Consulting

• Health Data Analyst: $75,000 to $115,000 per year
• Healthcare Informatics Consultant: $100,000 to $150,000 per year

Public Health and Government

• Public Health Informatician: $85,000 to $125,000 per year
• Epidemiologist: $81,390

Healthcare Technology Companies

• Healthcare Data Scientist: $110,000 to $160,000 per year
• Health IT Product Manager: $115,000 to $170,000

Emerging Trends in Health Informatics

Healthcare technology continues to evolve quickly. Several trends are shaping how health informatics is applied across the industry.

1. Artificial Intelligence in Healthcare: Artificial intelligence and machine learning are increasingly used to analyze large healthcare datasets, identify patterns, and support clinical decision making. These technologies are being applied across diagnostics, risk prediction, and workflow optimization, helping healthcare organizations improve efficiency and patient outcomes.
2. Telehealth and Remote Monitoring: Telehealth adoption increased significantly during the COVID-19 pandemic and remains a core part of care delivery. Research from McKinsey & Company found that telehealth utilization has stabilized at levels about 38 times higher than before the pandemic. Wearable devices and remote monitoring tools continue to generate new data that must be effectively managed and interpreted.
3. Interoperability and Data Security: As more data is shared across healthcare systems, ensuring secure and seamless data exchange has become a top priority. Policies such as the 21st Century Cures Act aim to improve how healthcare systems share data while protecting patient privacy.

Preparing for a Career in Health Informatics

As healthcare systems increasingly rely on data, the need for professionals who can manage, interpret, and apply that information is growing. For professionals looking to advance or transition into this space, building both technical knowledge and an understanding of healthcare systems is essential.

UIC’s Online Master of Science in Health Informatics (MSHI) is designed to support that next step. The fully online, asynchronous program can be completed in approximately 30 months and focuses on data management, analytics, healthcare systems, and patient experience. With an emphasis on real-world application and a flexible format for working professionals, the program helps students develop the expertise needed to contribute to today’s evolving healthcare landscape.