

Oncology
Kathryn Ruddy, MD MPH
Professor of Oncology
Rochester, MN
Kathryn J. Ruddy, MD, MPH, is a Professor of Oncology and Consultant in the Division of Medical Oncology at Mayo Clinic in Rochester, Minnesota, specializing in breast cancer oncology. She focuses on treating premenopausal breast cancer, male breast cancer, and associated survivorship issues, including fertility preservation, management of treatment side effects such as cardiotoxicity, neuropathy, cognitive dysfunction, emotional distress, sexual dysfunction, and secondary malignancies.
23+
Years in Practice
Credentials
Board Certifications
- Internal Medicine (ABIM)
- Medical Oncology (ABIM)
Education & Training
- Medical School: Perelman School of Medicine at the University of Pennsylvania (MD, 2003)
- Residency: Massachusetts General Hospital (Internal Medicine, 2006)
- Fellowship: Massachusetts General Hospital (Hematology and Medical Oncology, 2009)
Peer Recognition
2025
- Healthgrades — Healthgrades Honor Roll
Clinical Focus
Subspecialties
Medical Oncology
Conditions & Treatments
Cancer SurvivorshipChemotherapyProstate Cancer
Practice Details
Hospital Affiliations
- Mayo Clinic
Languages
English
Experience
23+ years in practice