Patients
Health Insurance Companies
Healthcare Providers
Pharmaceutical Companies
Government
Patients interact with Healthcare Providers for medical services
Patients interact with Health Insurance Companies for coverage and reimbursement
Health Insurance Companies interact with Healthcare Providers for network contracts
Healthcare Providers interact with Health Insurance Companies for billing and reimbursement
Healthcare Providers interact with Pharmaceutical Companies for medication supply
Pharmaceutical Companies interact with Healthcare Providers for drug distribution
Government interacts with Health Insurance Companies to regulate coverage and policies
Government interacts with Healthcare Providers to enforce healthcare regulations