ACA Marketplace Health Insurance in Miami, Florida The Health Experts Insurance helps individuals and families in Miami-Dade, Broward, and all of Florida compare and enroll in ACA Marketplace health insurance plans at no cost. Our licensed brokers check your eligibility for premium tax credits and subsidies before you enroll. Open enrollment for ACA Marketplace plans runs from November 1 through January 15 in Florida. Special Enrollment Periods are available for qualifying life events such as losing job-based coverage, getting married, having a baby, or moving. Call 1-800-380-6821 for free ACA Marketplace help in English or Spanish.