Understanding Barriers to Early Intervention Services for Preterm Infants: Lessons From Two States Alison A. Little, MD, MPH; Karen Kamholz, MD, MPH; Brian K. Corwin, BSBA; Alejandra Barrero-Castillero, MD, MPH; C. Jason Wang, MD, PhD From the Center for Policy, Outcomes and Prevention & Division of General Pediatrics, Stanford University School of Medicine, Stanford, CA The authors declare that they have no conflict of interest. Address correspondence to C. Jason Wang, MD, PhD, Stanford University School of Medicine, CHP/PCOR, 117 Encina Commons, Stanford, CA 94305 (e-mail: [email protected]). Received for publication June 23, 2014; accepted December 18, 2014.

ABSTRACT OBJECTIVE: To explore existing barriers and challenges to Early Intervention (EI) referral, enrollment, and service provision for very low birth weight (VLBW;