Jill Lacy, MD

Professor of Medicine (Medical Oncology)

Departments & Organizations

Internal Medicine: Medical Oncology: Subset Medical Oncology Faculty | Pancreatic Diseases Program

Brain Tumor Program

Yale Cancer Center: Brain Tumor Program | Developmental Therapeutics | Gastrointestinal Cancers Program | Sarcoma Program

Yale Medicine

Office of Cooperative Research


Dr. Jill Lacy is Professor of Medicine in the Section of Medical Oncology at Yale School of Medicine with over 20 years of experience as a practicing Medical Oncologist. Dr. Lacy graduated from Yale School of Medicine in 1978, completed training in Internal Medicine and Medical Oncology at Yale, and is board-certified in Internal Medicine and Medical Oncology. Dr. Lacy's early career was focused on clinical and basic research related to Epstein Barr virus-mediated oncogenesis and HIV-associated malignancies during the height of the AIDS epidemic. In recent years, Dr. Lacy's clinical practice has been devoted to caring for patients with gastrointestinal malignancies, brain tumors, and HIV-associated malignancies. Her current research is focused on therapeutic clinical trials in GI malignancies, including gastroesophageal, pancreatic, and colorectal cancers. She is the principle investigator on a number of investigator-initiated, pharmaceutical, and cooperative group studies. Dr. Lacy is actively involved in education as Director of the Medical Oncology-Hematology Fellowship at Yale. She has served on national committees focused on optimizing the education of Medical Oncology trainees and recruiting minority students to careers in Oncology.

Education & Training

MD Yale University (1978)
Fellow Yale University School of Medicine
Resident Yale University School of Medicine
Board Certification AB of Internal Medicine, Internal Medicine (1982)

Honors & Recognition

  • Top Doctors for Cancer, Newsweek Magazine July 2015 (2015)

  • America‚Äôs Top Doctors for Cancer (Castle Connolly), 2006-2015 (2015)

  • Member, ASCO Oncology Training Programs Committee, 2007-2010American Society of Clinical Oncology

  • Member, ASCO Diversity in Oncology Initiative Advisory and Review Comm, 2008-presentAmerican Society of Clinical Oncology

  • Chairwoman, ASCO Diversity in Oncology Initiative Advisory and Review Comm, 2011, 2012American Society of Clinical Oncology

  • New York Magazine Top Doctor (Medical Oncology), 2006-2008

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Contact Info

Jill Lacy, MD
Patient Care Location
Smilow Cancer Hospital at Yale-New HavenYale New Haven Hospital
20 York Street, Ste North Pavilion 8

New Haven, CT 06510
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Mailing Address
Medical OncologyPO Box 208028
New Haven, CT 06520-8028