Marketplaces

This blog post details ten things to know about the 2025 open enrollment period.

With the incoming Trump administration and Republican-led Congress looking to ways to reduce federal spending, this Poll finds that the Medicare and Medicaid programs remain broadly popular, and more people favor more spending on those programs than less spending. Among potential actions on health, the public sees price transparency and limiting chemicals in food as top priorities. Few say so about cuts to Medicaid and restrictions on abortion.

This report examines the share of doctors participating in the provider networks of Qualified Health Plans (QHPs) offered in the individual market in the federal and state Marketplaces in 2021, and how network breadth affected costs for enrollees.

This brief discusses the longstanding legal doctrine, Chevron deference, being challenged in two cases before the U.S. Supreme Court and includes examples of what could be at stake for health care consumers should federal courts no longer use this doctrine to address litigation related to federal health regulations. The focus here is on patient and consumer protection regulation, but overturning the Chevron deference would have implications in all areas of health care.

This brief examines the evolving requirements for insurers on HealthCare.gov to offer standardized plans that follow set cost sharing rules for covered benefits in addition to other plans they might offer. It also reviews how some state-run marketplaces have used standardized plans to limit cost sharing for insulin, mental health care, and other services.

A short fact sheet provides information about short-term health insurance policies and how they differ from ACA-compliant plans. 

Ahead of the annual Affordable Care Act (ACA) open enrollment period, the time during which consumers can shop for health plans or renew existing coverage, KFF has updated and expanded its searchable collection of more than 300 Frequently Asked Questions about open enrollment, the health insurance marketplaces and the ACA.…

A KFF analysis of physician networks in the Affordable Care Act’s Marketplace plans finds wide variations in the share of local practicing physicians who participate, with the least costly plans generally having a smaller share of physicians than more expensive plans. The analysis examines the breadth of physician networks listed…

HealthCare.gov insurers denied nearly one out of every five claims (19%) submitted for in-network services and an even larger share (37%) share of claims for out-of-network services in 2023, a new KFF analysis finds. The analysis examines the main source of publicly available data on claims denials and appeals for…

Karen Pollitz, senior fellow for health reform and private insurance at KFF, answers three questions about denied claims and how the federal government may change the data insurers are required to report on this issue.