World's Best Scientists 2026 revealed!
VIEW LIST
Timothy J. Whelan

Timothy J. Whelan

McMaster University
Canada

D-Index & Metrics

Medicine

D-Index
95
Citations
62795
World Ranking
9846
National Ranking
395

Timothy J. Whelan 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 Timothy J. Whelan 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: 355 publications — 29th percentile

29% of scientists in this discipline score the same or lower.

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

Timothy J. Whelan 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 Timothy J. Whelan 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: 95 D-Index — 51st percentile

51% of scientists in this discipline score the same or lower.

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

Overview

Timothy J. Whelan is affiliated with McMaster University in Canada and has an extensive body of research within the medical and oncology fields. Their work primarily focuses on breast cancer treatment and related disciplines, with a significant volume of publications exploring therapeutic strategies and disease management.

Their recent papers demonstrate involvement in clinical and meta-analytical studies addressing breast cancer outcomes and treatment efficacy. Key publications include:

  • Omitting Radiotherapy after Breast-Conserving Surgery in Luminal A Breast Cancer (2023, New England Journal of Medicine)
  • Effect of Metformin vs Placebo on Invasive Disease-Free Survival in Patients With Breast Cancer (2022, JAMA)
  • Trastuzumab for early-stage, HER2-positive breast cancer: a meta-analysis of 13,864 women in seven randomised trials (2021, The Lancet Oncology)
  • Partial Breast Irradiation for Patients With Early-Stage Invasive Breast Cancer or Ductal Carcinoma In Situ: An ASTRO Clinical Practice Guideline (2023, Practical Radiation Oncology)
  • Breast cancer mortality in 500,900 women with early invasive breast cancer diagnosed in England, 1993-2015: population based observational cohort study (2023, BMJ)

The frequent co-authors of Whelan include:

  • Sameer Parpia, with 23 co-publications
  • Anand Swaminath, with 15 co-publications
  • Bingshu E. Chen, with 14 co-publications
  • George W. Sledge, with 14 co-publications
  • Joseph A. Sparano, with 13 co-publications

Their research is prominently published in the following venues:

  • International Journal of Radiation Oncology*Biology*Physics (12 publications)
  • Journal of Clinical Oncology (10 publications)
  • Cancer Research (9 publications)
  • Radiotherapy and Oncology (7 publications)
  • UNC Libraries (5 publications)

Whelan's main fields of study cover Medicine and Biochemistry, Genetics and Molecular Biology, with specific emphasis on numerous subfields, including:

  • Cancer Research
  • Oncology
  • Pulmonary and Respiratory Medicine
  • Pathology and Forensic Medicine
  • Surgery

The central topics of their work focus on:

  • Breast Cancer Treatment Studies
  • Advanced Breast Cancer Therapies
  • Global Cancer Incidence and Screening
  • Breast Lesions and Carcinomas
  • Advanced Radiotherapy Techniques
  • Cancer Risks and Factors
  • Metabolism, Diabetes, and Cancer

Best Publications

  • Shared decision-making in the medical encounter: What does it mean? (or it takes at least two to tango)

    Cathy Charles;Amiram Gafni;Tim Whelan

  • Effect of radiotherapy after breast-conserving surgery on 10-year recurrence and 15-year breast cancer death: meta-analysis of individual patient data for 10,801 women in 17 randomised trials

    S Darby;P McGale;C Correa

  • Decision-making in the physician-patient encounter: revisiting the shared treatment decision-making model.

    Cathy Charles;Amiram Gafni;Tim Whelan

  • Developing a quality criteria framework for patient decision aids: online international Delphi consensus process

    Glyn Elwyn;Annette O'Connor;Dawn Stacey;Robert Volk

  • Adjuvant Chemotherapy Guided by a 21-Gene Expression Assay in Breast Cancer

    Joseph A. Sparano;Robert J. Gray;Della F. Makower;Kathleen I. Pritchard

  • Long-Term Results of Hypofractionated Radiation Therapy for Breast Cancer

    Timothy J Whelan;Jean-Philippe Pignol;Mark N Levine;Jim A Julian

  • Effect of radiotherapy after mastectomy and axillary surgery on 10-year recurrence and 20-year breast cancer mortality: meta-analysis of individual patient data for 8135 women in 22 randomised trials

    P McGale;C. Taylor;C Correa

  • American Society of Clinical Oncology Technology Assessment on the Use of Aromatase Inhibitors As Adjuvant Therapy for Postmenopausal Women With Hormone Receptor–Positive Breast Cancer: Status Report 2004

    Eric P. Winer;Clifford Hudis;Harold J. Burstein;Antonio C. Wolff

  • Prospective Validation of a 21-Gene Expression Assay in Breast Cancer

    J. A. Sparano;R. J. Gray;D. F. Makower;K. I. Pritchard

  • Family caregiver burden: results of a longitudinal study of breast cancer patients and their principal caregivers

    Eva Grunfeld;Doug Coyle;Timothy Whelan;Jennifer Clinch

  • Regional Nodal Irradiation in Early-Stage Breast Cancer

    Timothy J. Whelan;Ivo A. Olivotto;Wendy R. Parulekar;Ida Ackerman

  • Accelerated partial breast irradiation consensus statement from the American Society for Radiation Oncology (ASTRO).

    Benjamin D. Smith;Benjamin D. Smith;Douglas W. Arthur;Thomas A. Buchholz;Bruce G. Haffty

  • De-escalating and escalating treatments for early-stage breast cancer: the St. Gallen International Expert Consensus Conference on the Primary Therapy of Early Breast Cancer 2017

    G. Curigliano;H. J. Burstein;E. P. Winer;M. Gnant

  • Postmastectomy Radiotherapy: Clinical Practice Guidelines of the American Society of Clinical Oncology*

    Abram Recht;Stephen B. Edge;Lawrence J. Solin;David S. Robinson

  • Long-term outcomes for neoadjuvant versus adjuvant chemotherapy in early breast cancer: meta-analysis of individual patient data from ten randomised trials

    Bernard Asselain;William Barlow;John Bartlett;Jonas Bergh

  • What do we mean by partnership in making decisions about treatment

    Cathy Charles;Tim Whelan;Amiram Gafni

  • Randomized Trial of Breast Irradiation Schedules After Lumpectomy for Women With Lymph Node-Negative Breast Cancer

    Timothy Whelan;Robert MacKenzie;Jim Julian;Mark Levine

  • Adjuvant bisphosphonate treatment in early breast cancer: meta-analyses of individual patient data from randomised trials

    J. Bergh;K. Pritchard;K. Albain;S. Anderson

  • Adjuvant external beam radiotherapy in the treatment of endometrial cancer (MRC ASTEC and NCIC CTG EN.5 randomised trials): pooled trial results, systematic review, and meta-analysis.

    Astec;P Blake;Ann Marie Swart

  • Shared decision-making in the medical encounter

    Cathy. Charles;Amiram. Gafni;Timothy Joseph. Whelan

Frequent Co-Authors

Mark Levine
Mark Levine McMaster University
Kathleen I. Pritchard
Kathleen I. Pritchard University of Toronto
Amiram Gafni
Amiram Gafni McMaster University
Karen A. Gelmon
Karen A. Gelmon University of British Columbia
Jim A. Julian
Jim A. Julian McMaster University
Paul E. Goss
Paul E. Goss Harvard University
Joseph A. Sparano
Joseph A. Sparano Albert Einstein College of Medicine
Daniel F. Hayes
Daniel F. Hayes University of Michigan–Ann Arbor
Ivo A. Olivotto
Ivo A. Olivotto University of Calgary
Andrew R. Willan
Andrew R. Willan University of Toronto

External Links

Personal website of Timothy J. Whelan

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

If you’re considering a career in medicine but looking for flexible education options, online degrees have become more accessible and affordable than ever. For those interested in nursing, there are many affordable nursing programs online that combine quality education with lower tuition costs. These programs are ideal for students seeking to enter the healthcare field without the high expense of traditional on-campus degrees.

Nurses looking to advance their qualifications can benefit from the cheapest dnp online program, which prepares graduates for leadership or specialized roles in healthcare. Additionally, if you are an RN aiming to complete your Bachelor of Science in Nursing, the cheapest rn to bsn program offers an accelerated and cost-effective pathway to broaden your professional opportunities.

For individuals with non-nursing backgrounds looking to make a career shift, consider the online direct entry msn. These programs allow students with unrelated undergraduate degrees to quickly transition into advanced nursing practice. Exploring these pathways can help you find a program tailored to your needs and budget as you take the next step in your medical career.

Best Scientists Citing Timothy J. Whelan

Glyn Elwyn

Glyn Elwyn

Dartmouth Institute for Health Policy and Clinical Practice

Publications: 161

Frank A. Vicini

Frank A. Vicini

Beaumont Health

Publications: 112

Bruce G. Haffty

Bruce G. Haffty

Rutgers, The State University of New Jersey

Publications: 102

Monica Morrow

Monica Morrow

Memorial Sloan Kettering Cancer Center

Publications: 93

Thomas A. Buchholz

Thomas A. Buchholz

The University of Texas MD Anderson Cancer Center

Publications: 89

Phyllis Butow

Phyllis Butow

University of Sydney

Publications: 80

Roberto Orecchia

Roberto Orecchia

European Institute of Oncology

Publications: 76

Edward Chow

Edward Chow

Sunnybrook Health Science Centre

Publications: 74

Alain Fourquet

Alain Fourquet

Institute Curie

Publications: 72

Eric P. Winer

Eric P. Winer

Yale University

Publications: 72

Philip Poortmans

Philip Poortmans

University of Antwerp

Publications: 70

Ivo A. Olivotto

Ivo A. Olivotto

University of Calgary

Publications: 68

Reshma Jagsi

Reshma Jagsi

University of Michigan–Ann Arbor

Publications: 68

Adrian Edwards

Adrian Edwards

Cardiff University

Publications: 66

Alphonse G. Taghian

Alphonse G. Taghian

Harvard University

Publications: 64

Paolo Veronesi

Paolo Veronesi

European Institute of Oncology

Publications: 59

Trending Scientists

Renbing Wu

Renbing Wu

Fudan University

Marc Gelkopf

Marc Gelkopf

University of Haifa

Spencer C. Evans

Spencer C. Evans

University of Miami

Gail A. Bishop

Gail A. Bishop

University of Iowa

M. Alex Meredith

M. Alex Meredith

Virginia Commonwealth University

Victor Wepener

Victor Wepener

North-West University

Janice L. Bishop

Janice L. Bishop

Search for Extraterrestrial Intelligence

KerryAnn O'Meara

KerryAnn O'Meara

University of Maryland, College Park

Helen Roberts

Helen Roberts

University College London

Francine Lafontaine

Francine Lafontaine

University of Michigan–Ann Arbor

Jernej Ule

Jernej Ule

The Francis Crick Institute

Hans Pritzkow

Hans Pritzkow

Heidelberg University

Alessandra D'Epifanio

Alessandra D'Epifanio

University of Rome Tor Vergata

Atul Humar

Atul Humar

University Health Network

Peter A. Henrys

Peter A. Henrys

Natural Environment Research Council

Hung Nguyen-Xuan

Hung Nguyen-Xuan

Ho Chi Minh City University of Technology

Related Medicine Rankings & Guides

2026 Best Nurse Practitioner Programs in Connecticut – Accredited Schools Online & Campus

2026 Best Nurse Practitioner Programs in Connecticut – Accredited Schools Online & Campus
2026 Best Online Nursing Programs in Maine – Accredited RN to BSN Programs

2026 Best Online Nursing Programs in Maine – Accredited RN to BSN Programs
2026 Fastest Online Medical Billing and Coding Certificate Programs

2026 Fastest Online Medical Billing and Coding Certificate Programs
2026 Fastest Online Surgical Tech Certificate Programs

2026 Fastest Online Surgical Tech Certificate Programs
2026 Best Pathways to Pursue MSN without a BSN Degree

2026 Best Pathways to Pursue MSN without a BSN Degree
2026 Best Nursing Schools in Utah – Accredited ADN, BSN & MSN Programs

2026 Best Nursing Schools in Utah – Accredited ADN, BSN & MSN Programs
2026 Most Affordable Online FNP Programs

2026 Most Affordable Online FNP Programs
2026 Is Grand Canyon University School of Nursing Worth It?

2026 Is Grand Canyon University School of Nursing Worth It?
2026 Most Affordable CNA to RN Online Bridge Programs

2026 Most Affordable CNA to RN Online Bridge Programs
2026 Best Online DNP Programs

2026 Best Online DNP Programs
2026 CMAA vs. CCMA Certification: Explaining the Difference

2026 CMAA vs. CCMA Certification: Explaining the Difference
2026 Fastest Online Nutrition Degree Programs

2026 Fastest Online Nutrition Degree Programs
2026 Best Online CAHME-Accredited MHA Programs

2026 Best Online CAHME-Accredited MHA Programs
2026 Best Online Surgical Tech Certificate Programs

2026 Best Online Surgical Tech Certificate Programs
2026 Best Online Medical & Healthcare Certificate Programs

2026 Best Online Medical & Healthcare Certificate Programs
2026 Best Online Nursing Programs in California: Accredited RN to BSN Programs

2026 Best Online Nursing Programs in California: Accredited RN to BSN Programs
2026 Healthcare Administration Degree Guide: Costs, Requirements & Job Opportunities

2026 Healthcare Administration Degree Guide: Costs, Requirements & Job Opportunities
2026 Best PharmD Accelerated Degree Programs

2026 Best PharmD Accelerated Degree Programs
2026 Easiest Direct-Entry MSN Programs to Get Into

2026 Easiest Direct-Entry MSN Programs to Get Into
2026 Most Affordable Online LPN to RN Degree Programs

2026 Most Affordable Online LPN to RN Degree Programs
2026 Most Affordable Online BSN to MSN Bridge Programs

2026 Most Affordable Online BSN to MSN Bridge Programs

Recently Published Articles

2026 Best Accelerated Online Journalism Degree Programs

2026 Best Accelerated Online Journalism Degree Programs
2026 How to Become a Marriage and Family Therapist (MFT) in Reno, NV: License Requirements & Salary

2026 How to Become a Marriage and Family Therapist (MFT) in Reno, NV: License Requirements & Salary
2026 How Fast Can You Earn an Online Forensic Psychology Master's Degree? Timelines & Completion Options

2026 How Fast Can You Earn an Online Forensic Psychology Master's Degree? Timelines & Completion Options
2026 What Prerequisites Do You Need for a Photography Degree? Entry Requirements, Credits & Eligibility Rules

2026 What Prerequisites Do You Need for a Photography Degree? Entry Requirements, Credits & Eligibility Rules
2026 Cheapest and Shortest Online Environmental Science Degree Programs That Pay Well: Cost, Duration, and Salary Outlook

2026 Cheapest and Shortest Online Environmental Science Degree Programs That Pay Well: Cost, Duration, and Salary Outlook
2026 Advertising Skills Gap Analysis: What Employers Want vs What Degree Programs Teach

2026 Advertising Skills Gap Analysis: What Employers Want vs What Degree Programs Teach
2026 How to Become a BCBA in California

2026 How to Become a BCBA in California
2026 AI Doctorate Degrees for Executives and Senior Leaders

2026 AI Doctorate Degrees for Executives and Senior Leaders
2026 Organizational Leadership Skills Gap Analysis: What Employers Want vs What Degree Programs Teach

2026 Organizational Leadership Skills Gap Analysis: What Employers Want vs What Degree Programs Teach
2026 How to Become A Private Investigator

2026 How to Become A Private Investigator
2026 Accelerated Online Doctorate in Social Work Programs

2026 Accelerated Online Doctorate in Social Work Programs
2026 Can You Get an Electrical Engineering Degree Master's Without a Related Bachelor's Degree?

2026 Can You Get an Electrical Engineering Degree Master's Without a Related Bachelor's Degree?
2026 Online Addiction Psychology Bachelor's Degree Programs That Accept Transfer Credits

2026 Online Addiction Psychology Bachelor's Degree Programs That Accept Transfer Credits
2026 Fastest Online Bachelor's in Mathematics Degree Programs

2026 Fastest Online Bachelor's in Mathematics Degree Programs
2026 Animal Science Degree Oversupply or Undersupply? Student Volume vs Employer Demand

2026 Animal Science Degree Oversupply or Undersupply? Student Volume vs Employer Demand
2026 How to Become a Certified Financial Planner in Colorado

2026 How to Become a Certified Financial Planner in Colorado
2026 Best Business Administration Concentrations To Consider

2026 Best Business Administration Concentrations To Consider
2026 Is Pharmacy a Hard Major? What Students Should Know

2026 Is Pharmacy a Hard Major? What Students Should Know
2026 Is Nursing School Worth It?

2026 Is Nursing School Worth It?
2026 Taxation Degree Oversupply or Undersupply? Student Volume vs Employer Demand

2026 Taxation Degree Oversupply or Undersupply? Student Volume vs Employer Demand
2026 Best Online MBA in HR (Human Resources)

2026 Best Online MBA in HR (Human Resources)