About
Dr. Leanne Mancini earned her Bachelor of Science in Physiology from Michigan State University. She then completed her medical degree at the Chicago College of Osteopathic Medicine in Downer's Grove, Illinois. Her Family Medicine residency took place at Advocate Christ Medical Center in Oak Lawn, Illinois. The American Board of Family Medicine board-certified her in 2007, the same year she joined the practice. Dr. Mancini is one of four physician-owners at Family Physicians of St. Joseph, DPC. Outside the office, she enjoys gardening, listening to music, and spending time with her husband and three children.
Education & Training
Undergraduate
Michigan State University, B.S. Physiology
Medical School
Chicago College of Osteopathic Medicine
Residency
Family Medicine, Advocate Christ Medical Center, Oak Lawn, Illinois
Certifications
Who is Dr. Mancini right for?
Dr. Mancini is a strong fit for patients seeking consistent, relationship-driven family medicine. She works well with adults managing chronic conditions who want a physician they can reach directly. Families looking for a long-term primary care partner across all age groups will find her experience and continuity valuable. Her osteopathic training adds a whole-person perspective to each visit.
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Frequently Asked Questions
Dr. Mancini practices full-spectrum family medicine. Her clinical work covers annual physicals, chronic care management, acute visits, and preventive care across all age groups.
Yes. The American Board of Family Medicine board-certified Dr. Mancini in 2007. She holds a Doctor of Osteopathic Medicine degree from the Chicago College of Osteopathic Medicine.
Dr. Mancini completed her Family Medicine residency at Advocate Christ Medical Center in Oak Lawn, Illinois.
Dr. Mancini joined Family Physicians of St. Joseph in 2007. She has been a physician-owner since the practice converted to the DPC model in 2017.
Yes. The practice includes up to 15 osteopathic manipulation visits per year within the membership. Dr. Mancini's osteopathic training informs her whole-body approach to patient care.
Yes. Dr. Mancini and her colleagues stay reachable by phone, text, and email 24 hours a day, 365 days a year. Members use the Spruce App for urgent after-hours contact and the Elation Passport App for non-urgent messages.
Doctor profile last updated April 10, 2026