Medicaid Provides Dignity, Confidence to its Beneficiaries Dr. Hilda Shirk is president and CEO of SouthEast Lancaster Health Services, a nonprofit community health center. July 26, 2017 - Written by: Janeen MaxwellMedicaid, the health insurance program for low-income children, adults, seniors and people with disabilities, covers 1 in 5 Americans, including many with complex and costly needs for medical care and long-term services.