The 27-year healthcare veteran will manage the company’s clinical affairs unit, including its evidence-based medical policies.
CNSI President Adnan Ahmed said Walker will help clients with issues involving healthcare costs, population health and experience of care.
Walker’s prior experience includes service as Medicaid medical director for Louisiana’s Department of Health and Hospitals.
CNSI recently won a $185 million contract to develop that state’s Medicaid information system.
Walker also served medical director for the Tennessee and Louisiana Blue Cross Blue Shield and clinical regional medical director for United Healthcare.
Adhmed said Walker also held senior posts in disability, worker’s compensation and commercial capacities.
He founded the Occupational Medical Center clinical services network, which later merged with Concentra Health Services.
He completed a residency in environmental occupational medicine from Emory University’s school of medicine and is board-certified in occupational medicine.
He also took postgraduate medical training in medical genetics at Yale University school of medicine.
The company provides healthcare solutions and services for state Medicaid projects and projects in the federal, military and commercial health markets.