Aaron Baum

VP, Analytics and Economics at Waymark

aaron [dot] baum [at] waymarkcare.com

Bio

I lead the Analytics and Economics team at Waymark, a public benefit corporation providing community-based, tech-enabled healthcare services for Medicaid beneficiaries, in partnership with primary care providers and health plans.

Previously, I was an Assistant Professor and Principal Economist at Mount Sinai. My research focused on health economics, causal machine learning, and global health, including a 10-year community health worker initiatve in Haiti with Fonkoze (Devex , US Embassy Haiti). Prior to graduate school, I was an equities trader on the Nasdaq exchange for six years.

Experience

Vice President of Analytics and Economics, Waymark [2022 to present]

Assistant Professor, Departments of Health System Design & Global Health (primary) and Data Science & Genomic Technology (secondary), Icahn School of Medicine at Mount Sinai [2016 to 2022]

Principal Economist, Mount Sinai Health System [2016 to 2022]

Technologist in Residence, Cornell Tech (Pushcart, MacArthur Foundation) [2014 to 2016]

Founding Director of Research and Development, City Health Works (The Economist, NPR) [2012 to 2015]

Trader, Assent LLC [2003 to 2009]

Affiliations

Adjunt faculty, Department of Global Health, Icahn School of Medicine at Mount Sinai [2022 to present]

Research affiliate, UCSF School of Medicine [2022 to present]

Research affiliate, Department of Veterans Affairs [2014 to present]

Faculty affiliate, The Center for Primary Care at Harvard Medical School [2018 to 2022]

Visiting fellow, Stanford University School of Medicine [2016 to 2018]

Funding

I was the PI and subaward-PI on multiple federal grants from the National Institutes of Health (K01, P30), Centers for Disease Control (U01), United States Agency for International Development ($18m 5-year grant), and Department of Veterans Affairs (Office of Connected Care), and from several private foundations, including Grand Challenges Canada (Emerging Leaders in Global Health), Grand Challenges Canada (Transition to Scale), Vitamin Angels, and the Archstone Foundation.

Selected Publications

Baum A, Batniji R, Ratcliffe H, DeGosztonyi M, Basu S (2024). Supporting Rising-Risk Medicaid Patients Through Early Intervention. NEJM Catalyst Innovations in Care Delivery.

Basu S, Baum A, Patel SY (2024). Predicting Changes in Risk Based on Interventions. US Patent App. 10/108,433.

Patel SY, Baum A, and Basu S (2024). Prediction of Non-emergent Acute Care Utilization and Cost Among Patients Receiving Medicaid. Nature Scientific Reports.

Basu S, Patel SY, Robinson K, and Baum A. (2024). Financing Thresholds for Sustainability of Community Health Worker Programs for Patients Receiving Medicaid Across the United States. Journal of Community Health.

Baum A, Bazemore A, Peterson L, Basu S, Humphreys K, Phillips RL (2021). Primary Care Physicians and Spending on Low-Value Care. Annals of Internal Medicine.

Baum A, Wisnivesky J, Basu S, Siu AL, Schwartz MD (2020). Association of Geographic Differences in Prevalence of Uncontrolled Chronic Conditions With Changes in Individuals' Likelihood of Uncontrolled Chronic Conditions . JAMA.

Baum A, Kaboli PJ, Schwartz MD (2020). Reduced In-Person and Increased Telehealth Outpatient Visits During the COVID-19 Pandemic. Annals of Internal Medicine.

Baum A, Schwartz MD (2020). Admissions to Veterans Affairs Hospitals for Emergency Conditions During the COVID-19 Pandemic. JAMA.

Baum A, Song Z, Landon B, Phillips R, Bitton A, Basu S (2019). Health Care Spending Slowed After Rhode Island Applied Affordability Standards To Commercial Insurers. Health Affairs.

Bruzelius E, Baum A (2019). The Mental Health of Hispanic/Latino Americans Following National Immigration Policy Changes: United States, 2014–2018. American Journal of Public Health.

Baum A, Barnett ML, Wisnivesky J, & Schwartz MD (2019). Association Between a Temporary Reduction in Access to Health Care and Long-term Changes in Hypertension Control Among Veterans After a Natural Disaster. JAMA Network Open.

Baum A, Scarpa J, Bruzelius E, Tamler R, Basu S, & Faghmous J. (2017). Targeting weight loss interventions to reduce cardiovascular complications of type 2 diabetes: a machine learning-based post-hoc analysis of heterogeneous treatment effects in the Look AHEAD trial. The Lancet Diabetes & Endocrinology.

Baum A, Elize W, & Jean-Louis F (2017). Microfinance Institutions’ Successful Delivery of Micronutrient Powders: A Randomized Trial In Rural Haiti. Health Affairs.

MyBibliography: https://www.ncbi.nlm.nih.gov/myncbi/1hUPiig3uenwyI/bibliography/public/