User profiles for "author:John N Mafi"

John N. Mafi

Associate Professor of Medicine, David Geffen School of Medicine at UCLA
Verified email at mednet.ucla.edu
Cited by 1582

Worsening trends in the management and treatment of back pain

JN Mafi, EP McCarthy, RB Davis… - JAMA internal …, 2013 - jamanetwork.com
Importance Back pain treatment is costly and frequently includes overuse of treatments that
are unsupported by clinical guidelines. Few studies have evaluated recent national trends in …

Association between Covid-19 vaccination and influenza vaccination rates

RK Leuchter, NJ Jackson, JN Mafi… - New England Journal …, 2022 - Mass Medical Soc
Association between Covid-19 Vaccination and Influenza Vaccination Rates Page 1
Correspondence n engl j med 386;26 nejm.org June 30, 2022 2531 Association between …

Trends in US ambulatory care patterns during the COVID-19 pandemic, 2019-2021

JN Mafi, M Craff, S Vangala, T Pu, D Skinner… - JAMA, 2022 - jamanetwork.com
Importance Following reductions in US ambulatory care early in the pandemic, it remains
unclear whether care consistently returned to expected rates across insurance types and …

Low-cost, high-volume health services contribute the most to unnecessary health spending

JN Mafi, K Russell, BA Bortz, M Dachary… - Health …, 2017 - healthaffairs.org
An analysis of data for 2014 about forty-four low-value health services in the Virginia All
Payer Claims Database revealed more than 586millioninunnecessarycosts.Amongtheselow …

Trends in low-value health service use and spending in the US Medicare fee-for-service program, 2014-2018

JN Mafi, RO Reid, LH Baseman, S Hickey… - JAMA Network …, 2021 - jamanetwork.com
Importance Low-value care, defined as care offering no net benefit in specific clinical
scenarios, is associated with harmful outcomes in patients and wasteful spending. Despite a …

Disparities in the quality of cardiovascular care between HIV‐infected versus HIV‐uninfected adults in the United States: a cross‐sectional study

JA Ladapo, AK Richards, CM DeWitt… - Journal of the …, 2017 - Am Heart Assoc
Background Cardiovascular disease is emerging as a major cause of morbidity and mortality
among patients with HIV. We compared use of national guideline‐recommended …

Low-value care: an intractable global problem with no quick fix

JN Mafi, M Parchman - BMJ quality & safety, 2018 - qualitysafety.bmj.com
Low-value care, or patient care that provides no net benefit in specific clinical scenarios,
remains one of the most pressing problems in healthcare across the world—namely …

[HTML][HTML] Trends in the ambulatory management of headache: analysis of NAMCS and NHAMCS data 1999–2010

JN Mafi, ST Edwards, NP Pedersen, RB Davis… - Journal of general …, 2015 - Springer
Background Headache is a frequent complaint and among the most common reasons for
visiting a physician. Objective To characterize trends from 1999 through 2010 in the …

Comparing use of low-value health care services among US advanced practice clinicians and physicians

JN Mafi, CC Wee, RB Davis… - Annals of internal …, 2016 - acpjournals.org
Background: Many physicians believe that advanced practice clinicians (APCs [nurse
practitioners and physician assistants]) provide care of relatively lower value. Objective: To …

The quality and outcomes of care provided to patients with cirrhosis by advanced practice providers

EB Tapper, S Hao, M Lin, JN Mafi, H McCurdy… - Hepatology, 2020 - journals.lww.com
Cirrhosis is morbid and increasingly prevalent, yet the US health care system lacks enough
physicians and specialists to adequately manage patients with cirrhosis. Although advanced …