Aligning Hospitals and Suppliers: A Data-Driven Path to Lower Procurement Costs This research from David D. Dobrzykowski provides a data-driven framework that helps hospitals and GPOs optimize vendor tier contracts to significantly reduce procurement costs while strengthening supplier relationships.12/09/2025An illustration of a healthcare supply chain professional reviewing data on a laptop, connected visually to icons representing hospitals, suppliers, and delivery vehicles.David DobrzykowskiGPO optimizationcost reductiondata-driven optimization for hospital procurementhealthcare operationshospital procurementhow GPOs can improve healthcare supply chain efficiencyresearchsupply chain leadershipsupplychaintier pricingvendor contractsvendor tier contract decision-support models