Oak Street Medical

All-Inclusive Diabetes Care


  • Complete diagnosis and treatment
  • Insulin and education management
  • 24-hour glucose monitoring
  • Insulin pumps, adjustments, management
  • Blood sugar testing
  • In-house hemoglobin A1c testing
  • One-on-one diabetes education, classes
  • Diabetic foot care

Jessica C. Lohff-Phillips, D.O.

Internal Medicine | Adolescent Medicine for ages 10+ | Women’s Health | Diabetes

Kind, friendly and dedicated to the medical profession, Dr. Jessica Lohff-Phillips is motivated to do her work because of her patients. She knew from an early age that she wanted to be a physician. Her medical practice combines her two passions, people and science.

Dr. Lohff-Phillips earned her medical degree at the Chicago College of Osteopathic Medicine at Midwestern University in Downers Grove, Ill, and then she completed a dual residency in internal medicine and pediatrics at University of Illinois College of Medicine in Peoria. She received a bachelor’s degree in cell biology and physiology from Arizona State University in Phoenix and a master’s in physiology at the University of Arizona in Tucson.

Dr. Lohff-Phillips sees patients for both acute and preventative care. She has a special interest in adolescent medicine, college-aged patients, diabetic patients of all ages and women's health.

When not at work, Dr. Lohff-Phillips spends time with her husband, their children and her extended family, who live in Eugene. She is excited to live close to her family and the Oregon landscape, which she visited growing up. Dr. Lohff-Phillips enjoys outdoor activities, reading and international travel.

Latest Blogs from Jessica C. Lohff-Phillips