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Center for Advancing Health Policy through Research

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Daniel Arnold Ph.D.

Senior Research Scientist
daniel_arnold@brown.edu

Biography

Dan Arnold is a Senior Research Scientist at the Brown University School of Public Health. He came to Brown from UC Berkeley and is a health economist whose research broadly focuses on the impacts of consolidation in health care. His current research interests include the spillover effects of mergers, insurer-provider integration, AI adoption, and the role of private equity in autism services. His work has been covered by the New York Times, the Wall Street Journal, the Los Angeles Times, and STAT News. 
 


 

Recent News

The New York Times

Short Naps, Long Hours: How Autism Clinics Squeeze Medicaid Dollars Out of Preschoolers

May 23, 2026
by Sarah Kliff and Margot Sanger-Katz
Read Article
The Economist

Demand for autism care is soaring. The system is struggling to cope

April 1, 2026
Read the quoted study: Arnold DR, Reddy M, Cantor J, et al. Private Equity in Autism Services. JAMA Pediatr. 2026;180(3):341-343. doi:10.1001/jamapediatrics.2025.5443
Read Article
Axios

Medicaid autism therapy boom triggers crackdown

March 16, 2026
By Maya Goldman
Read Article
News from Brown

Private equity firms acquired more than 500 autism centers in past decade, study shows

January 7, 2026
A new study from researchers at the Brown University School of Public Health highlights a push from private equity investors into autism therapy centers across the nation.
Read Article
Fierce Healthcare

Study suggests UnitedHealthcare pays Optum docs more than other providers

November 4, 2025
Researchers found UnitedHealthcare paid 17% more to Optum than to other providers.
Read Article
Healthcare Dive

UnitedHealthcare pays Optum doctors more than other doctors: study

November 4, 2025
Researchers said the results suggest UnitedHealth may be sidestepping government rules meant to keep a lid on exorbitant payer profits.
Read Article
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