Amber Sabbatini
Assistant Professor
Department of Emergency Medicine
Adjunct Assistant Professor
Department of Health Systems and Population Health
Sites of Practice: 
Harborview Medical Center
University of Washington Medical Center

Faculty Information


Dr. Sabbatini is an Assistant Professor of Emergency Medicine and Adjunct Assistant Professor of Health Services. She works clinically in the Harborview and University of Washington emergency departments. As a federally-funded health services and policy researcher, Dr. Sabbatini has expertise in using claims and administrative datasets to study the how the delivery of hospital care affects patient outcomes, resource utilization, and quality. Much of her work has focused on examining the causes and consequences of preventable hospital admissions and especially the impacts of payor policies on hospital use and costs.

Dr. Sabbatini has funding from the National Institute of Mental Health and UW Population Health Initiative examining the effects of Washington state Medicaid policies on mental health care delivery and quality. She additionally is principal investigator on an R01 from the National Institute of Aging which is examining the effects of the growth of hospital observation stays on outcomes for older adults with unscheduled hospital admissions, including determining whether Medicare readmission policies have had unintended consequences for patients with observations stays.

Dr. Sabbatini received her BS in Neurobiology from the University of California, Irvine, her medical degree from Loma Linda University and completed residency in emergency medicine at the University of Chicago. For her health services training, Dr. Sabbatini received an MPH from the University of Southern California prior to medical school, completed a health services research fellowship in the Department of Emergency Medicine the University of Michigan. As junior faculty at the University of Washington, Dr. Sabbatini was awarded an institutional mentored career development award in patient-centered outcomes research from the Agency for Healthcare Quality and Research, where she further completed additional doctoral-level coursework in health economics, policy evaluation, and comparative effectiveness research.

Education & Training: 
Loma Linda University
Residency, Emergency Medicine
University of Chicago
Fellowship, Research Fellowship
Health Services, University of Michigan
University of Southern California
(206) 744-8458
Mailing Address: 

University of Washington Medical Center
Magnuson Health Sciences Building,
F Wing, UW Box 357235
1705 NE Pacific Street
Seattle, WA 98195

Research & Clinical Interests
Research Interests: 

Physician Resource Utilization

Appropriateness of Hospital Admissions

Quality and Cost-efficiency of Emergency Care

Active Grants:


See below for recent publications:

  1. Sabbatini AK, Wright BW, Kocher KE, Hall MK, Basu A. Post-discharge Unplanned Care Events Among Patients with an Observation Stay Versus Inpatient Admission. Annals of Emergency Medicine. 2018 Sep;74(3):334-344.
  2. Sabbatini AK, Wright, BW.   Excluding Observation Stays from Readmission Rates – What  Quality Measures are Missing. NEJM. 2018; 2018 May 31;378(22): 2062-2065.
  3. Sabbatini AK, Gallahue F, Newson J, White S, Gallagher T. Capturing Emergency Department Discharge Quality with the Care Transitions Measure. Academic Emergency Medicine. 2019 Jun;26(6):605-609.
  4. Sabbatini AK, Kocher KE., Basu A, Hsia RY.  In-Hospital Outcomes and Costs.  Among Patients Hospitalized During an Unscheduled Return Visit to the Emergency Department. JAMA. 2016; 315(7): 663-671.
  5. Sabbatini AK, Nallamothu B, Kocher KE.  Reducing Variation In Hospital Admissions From The Emergency Department For Low-Mortality Conditions May Produce Savings. Health Affairs. 2014; 33: 1655-1663.

See Dr. Sabbatini's Google Scholar Profile.