Randall P Ellis
Overview
Explore the profile of Randall P Ellis including associated specialties, affiliations and a list of published articles.
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33
Citations
795
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Recent Articles
1.
Ash A, Alcusky M, Ellis R, Sabatino M, Eanet F, Mick E
JAMA Netw Open
. 2025 Feb;
8(2):e2458170.
PMID: 39899293
Importance: In 2023, the Massachusetts Medicaid and Children's Health Insurance Program (MassHealth) required accountable care organizations (ACOs) to increase payments to primary care practices and shift to monthly payments, currently...
2.
Podolsky M, Raquib R, Shafer P, Hempstead K, Ellis R, Stokes A
JAMA Netw Open
. 2025 Jan;
8(1):e2455222.
PMID: 39836425
Importance: Semaglutide, a novel glucagon-like peptide-1 (GLP-1) receptor agonist medication, was approved for weight management in individuals with obesity in June 2021. There is limited evidence on factors associated with...
3.
Andriola C, Ellis R, Siracuse J, Hoagland A, Kuo T, Hsu H, et al.
JAMA Health Forum
. 2024 Apr;
5(4):e240625.
PMID: 38639980
Importance: Models predicting health care spending and other outcomes from administrative records are widely used to manage and pay for health care, despite well-documented deficiencies. New methods are needed that...
4.
van Kleef R, Reuser M, McGuire T, Armstrong J, Beck K, Brammli-Greenberg S, et al.
Med Care Res Rev
. 2024 Jan;
81(3):175-194.
PMID: 38284550
In health insurance markets with regulated competition, regulators face the challenge of preventing risk selection. This paper provides a framework for analyzing the scope (i.e., potential actions by insurers and...
5.
Ellis R, Hoagland A, Acquatella A
Health Econ Policy Law
. 2024 Jan;
:1-15.
PMID: 38186232
Managed competition frameworks aim to control healthcare costs and promote access to high-quality health insurance and services through a combination of public policies and market forces. In the United States,...
6.
Ellis R, Hsu H, Siracuse J, Walkey A, Lasser K, Jacobson B, et al.
JAMA Health Forum
. 2022 Aug;
3(3):e220276.
PMID: 35977291
Importance: Current disease risk-adjustment formulas in the US rely on diagnostic classification frameworks that predate the . Objective: To develop an -based classification framework for predicting diverse health care payment,...
7.
Siracuse J, Woodson J, Ellis R, Farber A, Roddy S, Kalesan B, et al.
J Vasc Surg
. 2021 Feb;
74(2):499-504.
PMID: 33548437
Objective: Despite published guidelines and data for Medicare patients, it is uncertain how younger patients with intermittent claudication (IC) are treated. Additionally, the degree to which treatment patterns have changed...
8.
Ellis R, Hsu H, Song C, Kuo T, Martins B, Siracuse J, et al.
JAMA Netw Open
. 2020 Apr;
3(4):e202280.
PMID: 32267514
Importance: On October 1, 2015, the US transitioned to the International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) for recording diagnoses, symptoms, and procedures. It is unknown whether this...
9.
Walter A, Ellis R, Yuan Y
J Child Health Care
. 2018 Jul;
23(2):213-231.
PMID: 30025469
Children with medical complexity have high health service utilization and health expenditures that can impose significant financial burdens. This study examined these issues for families with children enrolled in US...
10.
Ellis R, Martins B, Zhu W
J Health Econ
. 2017 Dec;
56:352-367.
PMID: 29248060
We examine selection incentives by health plans while refining the selection index of McGuire et al. (2014) to reflect not only service predictability and predictiveness but also variation in cost...