

Oncology
Jill Lacy, MD
Professor of Medicine (Medical Oncology), Yale School of Medicine
Dr. Jill Lacy, MD, is a Professor of Medicine in the Section of Medical Oncology at Yale School of Medicine, with over 45 years of experience specializing in gastrointestinal cancers. She focuses on treating complex malignancies including pancreatic cancer, colorectal cancer, esophageal cancer, biliary tract cancer, retroperitoneum cancer, and lymphoma. Practicing primarily in New Haven and North Haven, CT, Dr. Lacy is affiliated with Yale New Haven Hospital and Smilow Cancer Hospital, where she
45+
Years in Practice
Credentials
Board Certifications
- Medical Oncology (ABIM)
- Internal Medicine (ABIM)
- AB of Internal Medicine, Internal Medicine (1982)
- AB of Internal Medicine, Medical Oncology (1993, recertified: 2015)
Education & Training
- Yale University School of Medicine — Fellow, Medical Oncology (1985)
- Yale University School of Medicine — Resident, Internal Medicine (1982)
- Yale University — M.D. (1978)
- Yale New Haven Hospital — Residency
- Yale New Haven Hospital — Fellowship
Peer Recognition
- American Society of Clinical Oncology — Fellow
2021
2006-2014 (9 years)
2006-2014 (9 years)
- Castle Connolly — America's Top Doctors for Cancer
2016-2021 (6 years)
2009-2014, 2016-2021 (12 years)
Recognition & Leadership
Awards & Honors
- Yale Medicine Distinguished Clinical Career Award (2020)
- Top Doctors for Cancer, Newsweek Magazine (2015)
Clinical Focus
Subspecialties
Conditions & Treatments
Practice Details
Hospital Affiliations
- Yale New Haven Hospital
- Smilow Cancer Hospital
- Bridgeport Hospital
- Greenwich Hospital
Languages
English
Experience
45+ years in practice