GHRI researchers

Group Health Research Institute's scientific inquiry is led by our faculty of investigators, research associates, and biostatisticians. Our researchers have graduate training and experience in areas such as behavioral science, epidemiology, preventive medicine, family medicine, internal medicine, pediatrics, geriatrics, health services research, and biostatistics.

Most investigators have faculty appointments at the University of Washington, contributing to its teaching and research programs.

GHRI researcher Primary
research area(s)
Melissa Anderson, MS Melissa Anderson, MS
Senior Biostatistician

Recent publications
  • Biostatistics
  • Aging & geriatrics
  • Behavior change
  • Preventive medicine
David Arterburn, MD, MPH David Arterburn, MD, MPH
Associate Investigator, GHRI
Group Health Physician, Internal Medicine

Recent publications
  • Obesity
  • Health services & economics
  • Medication use & patient safety
  • Patient/provider interaction
Ben Balderson, PhD Ben Balderson, PhD
Research Associate, GHRI
Group Health Psychologist

Recent publications
  • Behavior change
  • Chronic illness management
  • Alternative approaches to healing
Bill Beery, MPH Bill Beery, MPH
Senior Investigator, Center for Community Health & Evaluation

Recent publications
  • Community health and evaluation
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Andy Bogart, MS Andy Bogart, MS
Biostatistician

Recent publications
  • Biostatistics
  • Cancer control
  • Health disparities
  • Obesity
Denise M. Boudreau, PhD Denise M. Boudreau, PhD
Associate Investigator

Recent publications
  • Medication use & patient safety
  • Health services & economics
  • Cancer control
Erin J. Aiello Bowles, MPH Erin J. Aiello Bowles, MPH
Research Associate

Recent publications
  • Cancer control
  • Women's health
  • Health services & economics
  • Aging & geriatrics
Kathy Bradley, MD, MPH Katharine A. Bradley, MD, MPH
Senior Investigator, GHRI
Group Health Physician, Family Medicine

Recent publications
  • Behavior change
  • Mental health
  • Preventive medicine
  • Health informatics
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Diana S.M. Buist, PhD Diana S.M. Buist, PhD
Senior Investigator

Recent publications
  • Cancer control
  • Preventive medicine
  • Women's health
  • Aging & geriatrics
Allen Cheadle, PhD Allen Cheadle, PhD
Director, Center for Community Health & Evaluation
Senior Investigator, GHRI

Recent publications
  • Obesity
  • Evaluation
Dan  Cherkin, PhD Dan Cherkin, PhD
Senior Investigator

Recent publications
  • Alternative approaches to healing
  • Chronic illness management
  • Patient/provider interaction
  • Health services & economics
Jessica  Chubak, PhD Jessica Chubak, PhD
Associate Investigator

Recent publications
  • Cancer control
  • Health services & economics
  • Medication use & patient safety
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Katie  Coleman, MSPH Katie Coleman, MSPH
Research Associate

Recent publications
  • Health services & economics
  • Chronic illness management
Andrea  Cook, PhD Andrea Cook, PhD
Associate Investigator

Recent publications
  • BiostatisticsĀ 
  • Immunization & infectious diseases
  • Cancer control
  • Obesity
Sascha  Dublin, MD, PhD Sascha Dublin, MD, PhD
Associate Investigator, GHRI
Group Health Physician, Internal Medicine

Recent publications
  • Aging & geriatrics
  • Cardiovascular health
  • Immunization & infectious diseases
  • Medication use & patient safety
Paul  Fishman, PhD Paul Fishman, PhD
Senior Investigator

Recent publications
  • Health services & economics
  • Cancer control
  • Chronic illness management
  • Behavior change
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Beverly  B. Green, MD, MPH Beverly B. Green, MD, MPH
Associate Investigator, GHRI
Group Health Physician

Recent publications
  • Cancer control
  • Chronic illness management
  • Obesity
  • Health informatics
David  Grossman, MD, MPH David Grossman, MD, MPH
Senior Investigator, GHRI
Group Health Medical Director for Population & Purchaser Strategy
Group Health Physician, Pediatrics

Recent publications
  • Child & adolescent health
  • Preventive medicine
  • Mental health
  • Oral health
Lou  Grothaus, MA Lou Grothaus, MA
Senior Biostatistician

Recent publications
  • Biostatistics
  • Chronic illness management
  • Behavior change
  • Aging & geriatrics
Nora B. Henrikson, PhD Nora B. Henrikson, PhD
Research Associate

Recent publications
  • Behavior change
  • Cancer control
  • Health services & economics
  • Public health genetics
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Clarissa Hsu, PhD Clarissa Hsu, PhD
Research Associate, Center for Community Health & Evaluation

Recent publications
  • Evaluation science
  • Clinical quality improvement
  • Complementary and alternative approaches to healing
  • Community-based health improvement
Rebecca  Hubbard, PhD Rebecca Hubbard, PhD
Associate Investigator

Recent publications
  • Biostatistics
  • Cancer control
  • Aging & geriatrics
  • Health services & economics
Laura  Ichikawa, MS Laura Ichikawa, MS
Senior Biostatistician

Recent publications
  • Biostatistics
  • Cancer control
  • Women's health
Lisa  Jackson, MD, MPH Lisa Jackson, MD, MPH
Senior Investigator, GHRI
Group Health Physician

Recent publications
  • Immunization & infectious diseases
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Michael L. Jackson, PhD, MPH Michael L. Jackson, PhD, MPH
Assistant Investigator

Recent publications
  • Immunization and infectious diseases
  • Medication use and patient safety
  • Epidemiologic methods
Eric Johnson, MA Eric Johnson, MS
Biostatistician

Recent publications
  • Biostatistics
  • Cancer control
  • Alternative approaches to healing
  • Health services & economics
Karin Johnson, PhD Karin Johnson, PhD
Research Associate

Recent publications
  • Health services & economics
  • Medical geography
Aruna Kamineni, PhD Aruna Kamineni, PhD
Research Associate

Recent publications
  • Cancer control
  • Cardiovascular health
  • Chronic illness management
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Andrea  LaCroix, PhD Andrea LaCroix, PhD
Senior Investigator

Recent publications
  • Women's health
  • Aging & geriatrics
  • Cardiovascular health
Gwen Lapham, PhD, MPH, MSW Gwen Lapham, PhD, MPH, MSW
Research Associate

Recent publications
  • Behavior change
  • Mental health
  • Health services & economics
  • Implementation research
Eric  Larson, MD, MPH Eric B. Larson, MD, MPH
Vice President for Research, Group Health
Executive Director & Senior Investigator, GHRI

Recent publications
  • Aging & geriatrics
  • Chronic illness management
  • Health informatics
  • Health services & economics
Elizabeth  Lin, MD, MPH Elizabeth Lin, MD, MPH
Affiliate Investigator, GHRI
Group Health Physician

Recent publications
  • Mental health
  • Chronic illness management
  • Behavior change
  • Mindfulness-based interventions
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Elizabeth Trice Loggers, MD, PhD Elizabeth Trice Loggers, MD, PhD
Assistant Investigator, GHRI
Group Health Physician, Oncology

Recent publications
  • End-of-life care
  • Cancer control
  • Health services & economics
  • Rare cancers
Paula  Lozano, MD, MPH Paula Lozano, MD, MPH
Assistant Medical Director for Preventive Care, Group Health
Senior Investigator, GHRI
Group Health Physician, Pediatrics

Recent publications
  • Behavior change
  • Child & adolescent health
  • Chronic illness management
  • Health services & economics
Evette  Ludman, PhD Evette Ludman, PhD
Senior Research Associate

Recent publications
  • Mental health
  • Behavior change
  • Chronic illness management
  • Health services & economics
Jennifer  McClure, PhD Jennifer McClure, PhD
Director of Research, Faculty, & Development and
Senior Investigator

Recent publications
  • Behavior change
  • Health risk communications & informed decision making
  • Health informatics
  • Mental health
    Top
Diana  Miglioretti, PhD Diana Miglioretti, PhD
Senior Investigator

Recent publications
  • Biostatistics
  • Cancer control
  • Alternative approaches to healing
  • Chronic illness management
Leo S. Morales, MD, PhD, MPH Leo S. Morales, MD, PhD, MPH
Associate Investigator, GHRI
Group Health Physician, Internal Medicine

Recent publications
  • Health disparities
  • Chronic disease risk factors
  • Patient-centered care
  • Psychometrics/Measurement
Jennifer  Nelson, PhD Jennifer Nelson, PhD
Associate Investigator

Recent publications
  • Biostatistics
  • Immunization & infectious diseases
  • Medication use & patient safety
  • Cardiovascular health
Katherine  Newton, PhD Katherine Newton, PhD
Director of Research & External Affairs and Senior Investigator

Recent publications
  • Women's health
  • Chronic illness management
  • Cardiovascular health
  • Alternative approaches to healing
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Ellen O'Meara, PhD Ellen O'Meara, PhD
Research Associate

Recent publications
  • Cancer control
  • Aging & geriatrics
  • Cardiovascular health
  • Medication use & patient safety
Michael L. Parchman, MD, MPH Michael Parchman, MD, MPH
Director, MacColl Center for Health Care Innovation and Senior Investigator, GHRI

Recent publications
  • Health services & economics
  • Chronic illness management
  • Cardiovascular health
  • Complexity science
Rob Penfold, PhD Robert Penfold, PhD
Assistant Investigator

Recent publications
  • Health services and economics
  • Mental health
  • Biostatistics
Do Peterson, MS Do Peterson, MS
Biostatistician

Recent publications
  • Biostatistics
  • Immunization & infectious diseases
  • Mental health
    Top
Bruce  M. Psaty, MD, PhD Bruce M. Psaty, MD, PhD
Senior Investigator

Recent publications
  • Cardiovascular health
  • Medication use & patient safety
  • Genetics, genomics, and pharmacogenetics
  • Epidemiologic methods
James    Ralston, MD, MPH James Ralston, MD, MPH
Associate Investigator, GHRI
Group Health Physician, Internal Medicine

Recent publications
  • Health informatics
  • Chronic illness management
  • Behavior change
  • Health services & economics
Rob  Reid, MD, PhD Robert Reid, MD, PhD
Senior Investigator, GHRI
Group Health Medical Director, Research Translation
Group Health Physician, Public Health & General Medicine

Recent publications
  • Health services & economics
  • Preventive medicine
  • Primary care
Karin R. Riggs, MSW Karin R. Riggs, MSW
Research Associate

Recent publications
  • Behavior change
  • Health disparities
  • Mental health
    Top
Dori Rosenberg, PhD, MPH Dori Rosenberg, PhD, MPH
Assistant Investigator

Recent publications
  • Behavior change
  • Aging & geriatrics
  • Obesity
  • Mental health
Carolyn  M. Rutter, PhD Carolyn M. Rutter, PhD
Senior Investigator

Recent publications
  • Biostatistics
  • Cancer control
  • Mental health
Judith  Schaefer, MPH Judith Schaefer, MPH
Research Associate

Recent publications
  • Behavior change
  • Chronic illness management
  • Health services & economics
  • Preventive medicine
Delia  Scholes, PhD Delia Scholes, PhD
Senior Investigator

Recent publications
  • Immunization & infectious diseases
  • Women's health
  • Child & adolescent health
    Top
Karen  Sherman, PhD, MPH Karen Sherman, PhD, MPH
Senior Investigator

Recent publications
  • Alternative approaches to healing
  • Chronic illness management
  • Mental health
  • Women's health
Susan Shortreed, PhD Susan Shortreed, PhD
Assistant Investigator

Recent publications
  • Biostatistics
  • Chronic illness management
  • Medication use and patient safety
  • Mental health
Greg Simon, MD, MPH Greg Simon, MD, MPH
Senior Investigator, GHRI
Group Health Psychiatrist

Recent publications
  • Mental health
  • Obesity
Robert S. Thompson, MD Robert S. Thompson, MD
Senior Investigator Emeritus

Recent publications
  • Preventive medicine
  • Child & adolescent health
  • Health informatics
  • Cancer control
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Michael VonKorff, ScD Michael Von Korff, ScD
Senior Investigator

Recent publications
  • Chronic illness management
  • Chronic pain
  • Mental health
  • Health services & economics
Ed Wagner, MD, MPH Edward Wagner, MD, MPH
Director (Emeritus), MacColl Center Senior Investigator, GHRI

Recent publications
  • Chronic illness management
  • Cancer control
  • Aging & geriatrics
Rod Walker, MS Rod Walker, MS
Biostatistician

Recent publications
  • Biostatistics
  • Cancer control
  • Aging & geriatrics
  • Mental health
Robert  Wellman, MS Robert Wellman, MS
Biostatistician

Recent publications
  • Biostatistics
  • Immunization & infectious disease
  • Cancer control
  • Medication use & patient safety
    Top
Karen Wernli, PhD Karen Wernli, PhD
Assistant Investigator

Recent publications
  • Cancer control
  • Health services & economics
  • Preventive medicine
  • Medication use & patient safety
Ursula Whiteside, PhD Ursula Whiteside, PhD
Research Associate

Recent publications
  • Behavior change
  • Mental health
  • Preventive medicine
  • Child & adolescent health
Onchee Yu, MS Onchee Yu, MS
Senior Biostatistician

Recent publications
  • Biostatistics
  • Cancer control
  • Immunization & infectious diseases
  • Medication use & patient safety
Weiwei Zhu, MS Weiwei Zhu, MS
Biostatistician

Recent publications
  • Biostatistics
  • Cancer control
    Top