New risk-adjustment system was associated with reduced favorable selection in Medicare Advantage

JM McWilliams, J Hsu, JP Newhouse - Health Affairs, 2012 - healthaffairs.org
Health plans participating in the Medicare managed care program, called Medicare
Advantage since 2003, have historically attracted healthier enrollees than has the traditional …

Steps to reduce favorable risk selection in Medicare Advantage largely succeeded, boding well for health insurance exchanges

JP Newhouse, M Price, J Huang, JM McWilliams… - Health …, 2012 - healthaffairs.org
Within Medicare, the Medicare Advantage program has historically attracted better risks—
healthier, lower-cost patients—than has traditional Medicare. The disproportionate …

High-cost patients had substantial rates of leaving Medicare Advantage and joining traditional Medicare

M Rahman, L Keohane, AN Trivedi, V Mor - Health affairs, 2015 - healthaffairs.org
Medicare Advantage payment regulations include risk-adjusted capitated reimbursement,
which was implemented to discourage favorable risk selection and encourage the retention …

Favorable selection, risk adjustment, and the Medicare Advantage program

MA Morrisey, ML Kilgore, DJ Becker… - Health Services …, 2013 - Wiley Online Library
Objectives To examine the effects of changes in payment and risk adjustment on (1) the
annual enrollment and switching behavior of M edicare A dvantage (MA) beneficiaries, and …

Do Medicare Advantage plans select enrollees in higher margin clinical categories?

JP Newhouse, JM McWilliams, M Price, J Huang… - Journal of health …, 2013 - Elsevier
The CMS-HCC risk adjustment system for Medicare Advantage (MA) plans calculates
weights, which are effectively relative prices, for beneficiaries with different observable …

How much favorable selection is left in Medicare Advantage?

JP Newhouse, M Price, JM McWilliams… - American journal of …, 2015 - journals.uchicago.edu
The health economics literature contains two models of selection, one with endogenous
plan characteristics to attract good risks and one with fixed plan characteristics; neither …

How successful is Medicare advantage?

JP Newhouse, TG McGuire - The Milbank Quarterly, 2014 - Wiley Online Library
Context Medicare Part C, or Medicare Advantage (MA), now almost 30 years old, has
generally been viewed as a policy disappointment. Enrollment has vacillated but has never …

How does risk selection respond to risk adjustment? New evidence from the Medicare Advantage Program

J Brown, M Duggan, I Kuziemko… - American Economic …, 2014 - aeaweb.org
To combat adverse selection, governments increasingly base payments to health plans and
providers on enrollees' scores from risk-adjustment formulae. In 2004, Medicare began to …

Complex Medicare Advantage choices may overwhelm seniors—especially those with impaired decision making

JM McWilliams, CC Afendulis, TG McGuire… - Health …, 2011 - healthaffairs.org
The proliferation of Medicare Advantage plans has given Medicare enrollees more choices,
but these could be overwhelming for some, especially for those with impaired decision …

Market and beneficiary characteristics associated with enrollment in Medicare managed care plans and fee-for-service

SL Shimada, AM Zaslavsky, LB Zaborski… - Medical care, 2009 - journals.lww.com
Background: Risk selection in the Medicare managed care program (“Medicare Advantage”)
is an important policy concern. Past research has shown that Medicare managed care plans …