STUDY OBJECTIVE: Long-acting reversible contraceptive (LARC) methods are the most effective form of reversible contraception but are underutilized by adolescents. The purpose of this study was to identify the context-specific barriers to providing adolescents with LARC that are experienced by pediatricians, family medicine physicians, and advanced practice nurses (APNs). DESIGN, SETTING, PARTICIPANTS, AND INTERVENTIONS: Pediatricians, family medicine providers, and APNs (n = 16) who care for adolescents participated in semistructured qualitative interviews. Interview data were analyzed using a modified grounded theory approach. MAIN OUTCOME MEASURES: Pediatricians, family medicine physicians, and APNs self-reported attitudes and practices regarding LARC provision to adolescents. RESULTS: Provider confidence in LARC, patient-centered counseling on LARC, and instrumental supports for LARC all work interdependently either in support of or in opposition to provision of LARC to adolescents. Low provider confidence in LARC for adolescents was characterized by confusion about LARC eligibility criteria and perceptions of LARC insertion as traumatic for adolescents. Patient-centered counseling on LARC required providers' ability to elicit patient priorities, highlight the advantages of LARC over other methods, and address patients' concerns about these methods. Instrumental support for LARC included provider training on LARC, access to and financial support for LARC devices, and opportunity to practice LARC insertion and counseling skills. CONCLUSION: Although none of the identified essential components of LARC provision to adolescents exist in isolation, instrumental support like provider training on LARC and access to LARC devices have the most fundamental effect on the other components and on providers' attitudes and practices regarding LARC for adolescents.