1. Challenges of Big Data in
Health Care: Health Insurance
Membership and Claims Data
Betsy Wasilevich, PhD, MPH
Department of Epidemiology and Biostatistics
Michigan State University
Interdisciplinary Forum, 04.07.2016
2. Payor Data
Membership
◦ Demographic characteristics and geographical location
◦ Enrollment
◦ Benefits
Claims
◦ Facility
◦ Professional
◦ Pharmacy
◦ Vision
◦ Dental
Provider
◦ Physician
◦ Practice
◦ Facilities
3. How Payor Data Is Used
Ongoing surveillance
Population health management
Risk stratifying for targeting intervention
activities
Predictive modeling to determine cost
drivers
Incentive payment determination
Clinical and public health program
evaluation
Health services and epidemiology
research
4. Challenges
Claims for billed services only
Timeliness of claims (runout)
Missing information
◦ Practice and member characteristics
◦ Clinical information: illness severity and health outcomes
Lack of standardized methods
◦ Inability to test the validity of metrics
Continuous enrollment requirement
Small n for physician/practice level analysis
Differences based on type/source of claim
Availability
◦ Lack of multi-payor data systems
◦ Data sharing hurdles
Generalizability
5. Interdisciplinary Collaboration
Epidemiology
◦ Population level health and health care measurement
◦ Evaluate determinants of health status and health care utilization
Health care practitioners
◦ Treatment and appropriateness of care
◦ Relevance of measurement priorities
◦ Downstream consequences of incentive/health care policy/intervention
Medical and pharmacy billing
◦ Claims and coding practice
Medical/Public health informatics
◦ Data management and communication
◦ Development and adoption of IT solutions
Statistics/biostatistics
◦ Multilevel data approaches
◦ Handling missing data and small n
◦ Modeling techniques for complex, observational data
Health care administration and policy
◦ Systems of care
◦ Benefit and reimbursement policy
IT
◦ Data management and processing - development and support