Publications by authors named "Sayeh Nikpay"

The 340B program allows certain hospitals and clinics to use outpatient drugs purchased at substantial discounts on insured patients, generating profits to fund care. The size of these profits depends on the number of prescriptions filled by participating hospital or clinics' insured patients that also meet the Health Resources and Services Agency's definition of an eligible patient. A recent court case has challenged the Agency's longstanding definition of a patient, resulting in new definition that could significantly expand the size of the program and create conflicts when an insured patient satisfies the new definition for more than one hospital or clinic participating in the program.

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Importance: The 340B program provides discounts on outpatient drugs to certain hospitals and federally supported clinics (covered entities) that can be used to generate revenue to fund safety net care. While numerous studies have found no association between 340B and safety net care provision for most hospital covered entities, less is known about whether federally qualified health centers (FQHCs), the largest group of covered entities after hospitals, use the program to enhance safety net care.

Objective: To assess whether a proxy for 340B revenue was associated with increased safety net care provision among FQHCs.

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There has been an increasing recognition of the importance and the value of addressing social determinants of health (SDOH) to improve population health outcomes, manage health care costs, and reduce health inequities. Despite the strong interest in investing in SDOH initiatives by various stakeholders, the literature on the return from such investments is scarce. The differences in study populations and methodologies, and the lack of data on SDOH intervention outcomes and/or costs, make it challenging to quantify and generalize outcomes for decision-making.

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Objective: To develop a method of consistently identifying interfacility transfers (IFTs) in Medicare Claims using patients with ST-Elevation Myocardial Infarction (STEMI) as an example.

Data Sources/study Setting: 100% Medicare inpatient and outpatient Standard Analytic Files and 5% Carrier Files, 2011-2020.

Study Design: Observational, cross-sectional comparison of patient characteristics between proposed and existing methods.

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The 1992 340B drug discount program lowers drug costs and provides a source of revenue for safety-net providers by entitling them to discounts on drugs for all patients, including those with insurance. As 340B has grown so has the administrative complexity of the program, creating a market for third-party administrators (TPAs) to manage both formal and informal requirements in exchange for fees. Although TPAs are playing an important role in the 340B ecosystem, the TPA market is poorly understood, along several dimensions including its size, specialization, competitiveness, and scope of services offered.

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Health policies and associated research initiatives are constantly evolving and changing. In recent years, there has been a dizzying increase in research on emerging topics such as the implications of changing public and private health payment models, the global impact of pandemics, novel initiatives to tackle the persistence of health inequities, broad efforts to reduce the impact of climate change, the emergence of novel technologies such as whole-genome sequencing and artificial intelligence, and the increase in consumer-directed care. This evolution demands future-thinking research to meet the needs of policymakers in translating science into policy.

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As cybercrime increasingly targets the health care sector, hospitals face the growing threat of ransomware attacks. Ransomware is a type of malicious software that prevents users from accessing their electronic systems-demanding payment to restore access. In response, momentum is gathering to enact policy that will help hospitals strengthen their cybersecurity defenses.

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The 340B program grants eligible health care providers ("covered entities") access to discounted prices for outpatient prescription drugs. Covered entities frequently rely on retail pharmacies ("contract pharmacies") to dispense discounted drugs. This analysis describes contract pharmacy participation by ownership: the top 4 chains, grocery chains, small chains, and institutional independent pharmacies.

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Goal: As of January 1, 2021, the Centers for Medicare & Medicaid Services requires most U.S. hospitals to publish pricing information on their website to help consumers make decisions regarding services and to transform negotiations with health insurers.

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Background: Timely reperfusion is necessary to reduce morbidity and mortality in patients with ST-elevation myocardial infarction (STEMI). Initial care by facilities with percutaneous coronary intervention (PCI) capabilities reduces time to reperfusion. We sought to examine whether insurance status was associated with initial care at emergency departments (EDs) with PCI capabilities among adult patients with STEMI.

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Importance: Previous studies have found that hospitals participating in the 340B Drug Pricing Program have higher Medicare Part B spending and expansion into affluent neighborhoods. Less is known about the association of 340B participation with spending by commercial insurance, where reimbursements are higher than Medicare.

Objective: To use the Affordable Care Act expansion of eligibility for the 340B Drug Pricing Program to study the association between participation and spending on outpatient-administered oncological drugs for commercially insured patients.

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Importance: Insurance status has been associated with whether patients with ST-segment elevation myocardial infarction (STEMI) presenting to emergency departments are transferred to other facilities, but whether the facility's percutaneous coronary intervention capabilities mediate this association is unknown.

Objective: To examine whether uninsured patients with STEMI were more likely than patients with insurance to experience interfacility transfer.

Design, Setting, And Participants: This observational cohort study compared patients with STEMI with and without insurance who presented to California emergency departments between January 1, 2010, and December 31, 2019, using the Patient Discharge Database and Emergency Department Discharge Database from the California Department of Health Care Access and Information.

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Interventions to address social drivers of health (SDH), such as food insecurity, transportation, and housing, can reduce future health care costs but require up-front investment. Although Medicaid managed care organizations have incentives to reduce costs, volatile enrollment patterns and coverage changes may prevent them from realizing the full benefits of their SDH investments. This phenomenon results in the "wrong-pocket problem," in which managed care organizations underinvest in SDH interventions because they cannot capture the full benefit.

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Objective: To quantify shared patient relationships between primary care physicians (PCPs) and cardiologists and oncologists and the degree to which those relationships were captured within insurance networks.

Data Sources: Secondary analysis of Vericred data on physician networks, CareSet data on physicians' shared Medicare patients, and insurance plan attributes from Health Insurance Compare. Data validation exercises used data from Physician Compare and IQVIA.

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Article Synopsis
  • * During this period, there were 374 ransomware incidents, exposing personal health information of nearly 42 million patients, with attacks more than doubling in frequency over the years.
  • * Almost 44% of these attacks led to significant disruptions in care delivery, including system downtimes and canceled appointments, particularly impacting larger health organizations.
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To investigate how differences in income and education levels may contribute to disparities in incidence of Alzheimer's disease and related dementia (ADRD), we compared ADRD incidence in traditional Medicare claims for 11,132 Black and 7703 White participants aged 65 and over from a predominantly low-income cohort. We examined whether the relationship between ADRD incidence and race varied by income or education. Based on 2015 incident ADRD diagnoses, Black and White participants had unadjusted incidence rates of 26.

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Background: US emergency department (ED) visits for burns and factors associated with inter-facility transfer are unknown and described in this manuscript.

Methods: We conducted a retrospective analysis of burn-related injuries from 2009-2014 using the Nationwide Emergency Department Sample (NEDS), the largest sample of all-payer datasets. We included all ED visits by adults with a burn related ICD-9 code and used a weighted multivariable logistic regression model to predict transfer adjusting for covariates.

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This cross-sectional study documents 2021 insurance network participation rates among hospital-based physicians nationally and by state.

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Background: The Veterans Health Administration issued policy for lung cancer screening resources at eight Veterans Affairs Medical Centers (VAMCs) in a demonstration project (DP) from 2013 through 2015.

Research Question: Do policies that provide resources increase lung cancer screening rates?

Study Design And Methods: Data from eight DP VAMCs (DP group) and 20 comparable VAMCs (comparison group) were divided into before DP (January 2011-June 2013), DP (July 2013-June 2015), and after DP (July 2015-December 2018) periods. Coprimary outcomes were unique veterans screened per 1,000 eligible per month and those with 1-year (9-15 months) follow-up screening.

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Objectives: To estimate the association of 340B contract pharmacy growth between 2009 and 2019 with county-level characteristics, including availability of health care providers, health care spending, population, and socioeconomic characteristics.

Study Design: Observational study.

Methods: We constructed county-level maps of 340B contract pharmacy penetration for the years 2009 and 2019 by 340B participant type (hospital or safety-net clinic).

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As of January 1, 2021, most U.S. hospitals are required to publish pricing information on their website to promote more informed decision making by consumers regarding their care.

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