World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
84
Citations
21960
World Ranking
15266
National Ranking
7701

Keith Humphreys publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Keith Humphreys sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 611 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 408 publications — 40th percentile

40% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Keith Humphreys D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Keith Humphreys sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 400 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 84 D-Index — 27th percentile

27% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

Keith Humphreys is affiliated with Stanford University in the United States and has contributed extensively to medical research, particularly in the field of epidemiology. Their publication record includes 183 works in medicine, with significant focus on subfields such as epidemiology, public health, environmental and occupational health, general health professions, clinical psychology, and emergency medicine.

Humphreys' research primarily addresses topics related to substance use and treatment outcomes. The main topics include opioid use disorder treatment, substance abuse treatment and outcomes, HIV related to drug use and sexual risk, mental health treatment and access, pain management and opioid use, prenatal substance exposure effects, as well as forensic toxicology and drug analysis.

Frequent co-authors collaborating with Humphreys include Christine Timko, John Marsden, Wayne Hall, Matthew Hickman, and Shane Darke. These collaborations are reflected across multiple publications and research projects.

Their work is often published in prominent venues such as Addiction, Drug and Alcohol Dependence, JAMA Network Open, bioRxiv (Cold Spring Harbor Laboratory), and The Lancet Regional Health - Americas.

Recent papers authored or co-authored by Humphreys include:

  • Alcoholics Anonymous and other 12-step programs for alcohol use disorder, 2020, Cochrane Database of Systematic Reviews
  • Mitigating and learning from the impact of COVID-19 infection on addictive disorders, 2020, Addiction
  • Steep increases in fentanyl-related mortality west of the Mississippi River: Recent evidence from county and state surveillance, 2020, Drug and Alcohol Dependence
  • Alcoholics Anonymous and 12-Step Facilitation Treatments for Alcohol Use Disorder: A Distillation of a 2020 Cochrane Review for Clinicians and Policy Makers, 2020, Alcohol and Alcoholism
  • Cost-effectiveness of Treatments for Opioid Use Disorder, 2021, JAMA Psychiatry

Best Publications

  • Breast Cancer Risk Genes - Association Analysis in More than 113,000 Women

    Leila Dorling;Sara Carvalho;Jamie Allen

  • Association between concurrent use of prescription opioids and benzodiazepines and overdose: retrospective analysis

    Eric C Sun;Anjali Dixit;Keith Humphreys;Beth D Darnall

  • Drug Policy and the Public Good

    Thomas F. Babor;Jonathan P. Caulkins;Griffith Edwards;Benedikt Fischer

  • Meta‐analysis of naltrexone and acamprosate for treating alcohol use disorders: when are these medications most helpful?

    Natalya C. Maisel;Janet C. Blodgett;Paula L. Wilbourne;Keith Humphreys;Keith Humphreys

  • Alcoholics Anonymous and other 12-step programs for alcohol use disorder.

    John F Kelly;Keith Humphreys;Marica Ferri

  • Circles of recovery : self-help organizations for addictions

    Keith Humphreys

  • Electronic support groups for breast carcinoma: a clinical trial of effectiveness.

    Morton A. Lieberman;Mitch Golant;Janine Giese-Davis;Andy Winzlenberg

  • Social networks as mediators of the effect of Alcoholics Anonymous

    Lee Ann Kaskutas;Jason Bond;Keith Humphreys

  • Self-help organizations for alcohol and drug problems: Toward evidence-based practice and policy

    Keith Humphreys;Stephen Wing;Dennis McCarty;John Chappel

  • Drug policy and the public good: evidence for effective interventions

    John Strang;Thomas Babor;Jonathan Caulkins;Jonathan Caulkins;Benedikt Fischer;Benedikt Fischer

  • Do enhanced friendship networks and active coping mediate the effect of self-help groups on substance abuse?

    Keith Humphreys;Eric S. Mankowski;Eric S. Mankowski;Rudolf H. Moos;Rudolf H. Moos;John W. Finney;John W. Finney

  • Social and community resources and long-term recovery from treated and untreated alcoholism.

    K Humphreys;R H Moos;C Cohen

  • Governmental standard drink definitions and low-risk alcohol consumption guidelines in 37 countries.

    Agnieszka Kalinowski;Keith Humphreys;Keith Humphreys

  • Modeling Health Benefits and Harms of Public Policy Responses to the US Opioid Epidemic.

    Allison L. Pitt;Keith Humphreys;Margaret L. Brandeau

  • Mutual help groups for mental health problems: A review of effectiveness studies

    Nancy Pistrang;Chris Barker;Keith Humphreys

  • Can Encouraging Substance Abuse Patients to Participate in Self‐Help Groups Reduce Demand for Health Care? A Quasi‐Experimental Study

    Keith Humphreys;Rudolf Moos

  • Mitigating and learning from the impact of COVID-19 infection on addictive disorders.

    John Marsden;Shane Darke;Wayne Hall;Matthew Hickman

  • The Alcoholics Anonymous Affiliation Scale: Development, Reliability, and Norms for Diverse Treated and Untreated Populations

    Keith Humphreys;Lee Ann Kaskutas;Constance Weisner

  • Alcoholics anonymous involvement and positive alcohol-related outcomes: cause, consequence, or just a correlate? A prospective 2-year study of 2,319 alcohol-dependent men.

    John McKellar;Eric Stewart;Keith Humphreys

  • A randomized controlled trial of an internet-based intervention for alcohol abusers

    John Alastair Cunningham;John Alastair Cunningham;T. Cameron Wild;Joanne Cordingley;Trevor Van Mierlo

Frequent Co-Authors

John W. Finney
John W. Finney VA Palo Alto Health Care System
Rudolf H. Moos
Rudolf H. Moos Stanford University
John Strang
John Strang King's College London
Benedikt Fischer
Benedikt Fischer University of Auckland
David R. Foxcroft
David R. Foxcroft Oxford Brookes University
Alex H. S. Harris
Alex H. S. Harris Stanford University
Robin Room
Robin Room La Trobe University
Ingeborg Rossow
Ingeborg Rossow Norwegian Institute of Public Health
Jürgen Rehm
Jürgen Rehm University of Toronto
Thomas F. Babor
Thomas F. Babor University of Connecticut

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