Dr. Donielle Frances Sliwa, MD

Dr. Donielle Sliwa is a medical oncologist and internal medicine physician who brings 14 years of clinical experience to cancer care and comprehensive internal medicine. She earned her medical degree from St. Georges University School of Medicine and completed her residency training at Baystate Medical Center. Her dual specialty training allows her to provide both specialized cancer treatment and general medical care for adult patients. Dr. Sliwa is fluent in English.

Dr. Sliwa practices at multiple locations throughout New Hampshire and Massachusetts, including Wentworth Douglass Hospital in Dover and Anna Jaques Hospital in Newburyport. She maintains hospital affiliations with Baystate Medical Center, Massachusetts General Hospital, and several other respected medical centers. Her clinical focus includes treating various types of anemia, including iron deficiency anemia and hemolytic anemia. She regularly performs blood tests, ferritin testing, and iron level assessments to diagnose …and monitor these conditions. Patients have given Dr. Sliwa an average rating of 3.4 on Vitals.