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Lynn Van Ummersen, MD

Dr. Van Ummersen is an oncologist and hematologist for Florida Cancer Specialists & Research Institute in Volusia and Seminole counties. Lynn Van Ummersen received her Medical Degree from the University of Massachusetts Medical School, Worcester, MA. She served her medical internship there as well and completed her medical residency at the University of Maryland in Baltimore. She then worked as a hospital based internist before going onto a Medical Oncology fellowship at Georgetown University in Washington, DC.

Dr. Van Ummersen completed an additional research year studying clinical trial design and drug development. As a part of this she spent two months as a voluntary medical officer at the FDA.

Dr. Van Ummersen served 8 1/2 years as an instructor and subsequently as an assistant professor in the oncology division of the University of Wisconsin Comprehensive Cancer Center. She has participated in all phases of clinical trial design and implementation. She has participated in numerous cooperative group and industry sponsored trials. Dr. Van Ummersen also ran a General Oncology Community Outreach Clinic and co-ran a multidisciplinary breast cancer clinic.

Dr. Van Ummersen’s research interests include individualizing breast cancer care, incorporating new targeted therapies into the treatment of lung cancer, colon cancer and other solid tumors. She hopes, with time to continue to expand clinical trial offerings to this community.

Treatments Provided
  • Hematology
  • Medical Oncology
Languages Spoken
  • English

Medical School

University of Massachusetts Medical School, Worcester, MA


University of Massachusetts Medical School, Worcester, MA
University of Maryland Medical Center, Baltimore, MD


Georgetown University- Lombardi Cancer Center, Washington D.C.

Board Certified

Medical Oncology
Internal Medicine
National Board of Medical Examiners

Dr. Lynn VanUmmersen - Florida Cancer Specialists

Dr. VanUmmersen talks about how advances in cancer detection and treatment are giving patients a better chance to survive.