About
Mariamou Sims, MD, holds board certification in Internal Medicine and brings nearly two decades of clinical experience to Thrive. Born in Mali, West Africa, and raised in Denver, Colorado, she completed her undergraduate degree in French Studies at Northwestern University in 1995, her pre-medical coursework at Loyola University, and her medical degree at the University of Illinois College of Medicine in Chicago in 2004. She completed her internship at McGaw Medical Center of Northwestern University, then her Internal Medicine residency at Northwestern Feinberg School of Medicine's Evanston Hospital Campus, where she served as Chief Resident in 2007. Early in her career she received both the NIH Minority International Research Training Program Scholarship and the Illinois General Assembly Public Service Scholarship.
Dr. Sims spent nearly two decades at NorthShore University HealthSystem, where she served as a Clinical Instructor, taught residents and nurse practitioners, and contributed to numerous Quality Assurance Committees. She approaches patient care with a whole-patient philosophy, combining evidence-based medicine with careful listening, cultural sensitivity, and a genuine partnership with each patient. Fluent in French and Bambara, she brings a broad perspective to her practice. Outside of medicine, she enjoys life with her husband, three children including a set of twins, two dogs, and a passion for brain games and lifelong learning.
Education & Training
Undergraduate
Northwestern University, Bachelor of Arts in French Studies, 1995
Medical School
University of Illinois College of Medicine, Chicago, 2004
Residency
Northwestern Feinberg School of Medicine, Evanston Hospital Campus, Internal Medicine Residency, Chief Resident, 2007
Additional Training
Internship, McGaw Medical Center of Northwestern University, 2005; Pre-medical coursework, Loyola University
Certifications
Languages
English, French, Bambara
Conditions Treated
Who is Dr. Sims right for?
Dr. Sims is a strong fit for adults seeking a primary care physician with deep clinical experience and a whole-patient approach. Patients navigating chronic conditions benefit from her evidence-based, relationship-driven style. She connects well with patients from diverse cultural backgrounds and speaks French and Bambara fluently. Adults who value a physician who listens carefully and partners in their care will find her approach especially resonant.
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Frequently Asked Questions
Dr. Sims specializes in internal medicine and comprehensive primary care for adults. Her clinical focus includes chronic condition management, preventive care, and women's health. She applies a whole-patient philosophy, combining evidence-based medicine with careful attention to each patient's individual circumstances.
Yes, Dr. Sims holds board certification in Internal Medicine. She completed her residency at Northwestern Feinberg School of Medicine's Evanston Hospital Campus, where her program selected her as Chief Resident in 2007.
Dr. Sims earned her medical degree at the University of Illinois College of Medicine in Chicago. She completed her internship at McGaw Medical Center of Northwestern University and her residency at Northwestern Feinberg School of Medicine's Evanston Hospital Campus.
Yes, Dr. Sims speaks French and Bambara in addition to English. She grew up in a multilingual environment, born in Mali, West Africa, and raised in Denver, Colorado. She brings cultural sensitivity and a broad perspective to every patient relationship.
Dr. Sims brings nearly two decades of clinical experience to her work at Thrive Internal Medicine. She spent much of her career at NorthShore University HealthSystem, where she served as a Clinical Instructor and contributed to Quality Assurance Committees.
Dr. Sims sees adult patients across a wide range of health needs, from preventive care and annual physicals to chronic disease management and women's health. She works particularly well with patients who value a physician who listens carefully and engages them as a genuine partner in their care.
Yes, early in her career Dr. Sims received two distinguished honors. She earned both the NIH Minority International Research Training Program Scholarship and the Illinois General Assembly Public Service Scholarship.
Doctor profile last updated March 21, 2026