Optimizing Postpartum Outcomes Act of 2023 This bill requires (1) the Centers for Medicare & Medicaid Services to issue guidance to support coverage of prenatal and postpartum pelvic health services under Medicaid and the Children's Health Insurance Program (CHIP), (2) the Government Accountability Office to study gaps in Medicaid coverage of these and other services for postpartum women, and (3) the Centers for Disease Control and Prevention to educate health professionals and postpartum women on pelvic health services.