Mallory Van Horn

Managing Director
20 years of healthcare payer experience
Deep experience with Medicaid, Medicare and provider-sponsored health plans
Expert in star ratings, HEDIS®, and accreditation
Dallas
@alvarezmarsal
LinkedIn
Copied!
Mallory Van Horn is a Managing Director with Alvarez & Marsal’s Healthcare Industry Group in Dallas. She brings more than 20 years of healthcare payer experience, serving Medicaid, Medicare and provider-sponsored health plans.

Ms. Van Horn’s expertise includes clinical quality measurement and reporting, accreditation, value-based care and health plan operations performance and improvement. She brings extensive experience with Medicare Advantage Star Ratings and Medicaid Quality performance improvement, including HEDIS® and CAHPS®. Additionally, she has launched provider-led entities and developed strategies to address affordability, health equity and social determinants of health.

Prior to joining A&M, Ms. Van Horn spent 16 years with UnitedHealth Group, serving most recently as the CEO for UnitedHealthcare’s Community Plan of Oklahoma. Previously, she led the health management and operations consulting practice for Optum Advisory Services, where she developed and delivered best-in-class solutions to drive measurable performance across the health plan ecosystem through administrative operations, medical management, network management and quality.

Prior to this, Ms. Van Horn worked for APS Healthcare, where she was responsible for quality data and reporting initiatives for both the Oklahoma and Florida State Medicaid programs. She also helped launch a healthcare startup specializing in developing web-based tools for Accountable Care Organizations (ACOs) and Health Information Exchanges (HIEs).  

Ms. Van Horn earned a bachelor’s degree from Wellesley College and a master’s degree in public health and business administration from the University of Oklahoma.

 

Insights By This Professional

The October 2026 Star Ratings release presents both an opportunity and a challenge for health plans as they navigate uncertain Health Equity Index (HEI) changes. With evolving CMS equity-focused metrics, shifting data collection requirements, and potential weighting adjustments, health plans must take immediate action to optimize their Star Ratings before potential regulatory shifts in 2027.
Latest insights The latest insights from Mallory Van Horn's team
Thought Leadership
The social care sector is a cornerstone of society, contributing £50 billion annually to the UK economy. It plays a vital role in supporting the well-being and diverse needs of our population. However, it now stands at a critical juncture.
Contact me
FOLLOW & CONNECT WITH A&M