About
Dr. Kyle Kunz is a primary care physician and the founder of ProActive Concierge Medicine in Downers Grove, IL. He grew up in Chicago's western suburbs, earned his undergraduate degree from Wheaton College, and went on to complete his medical degree at the University of Illinois College of Medicine. He then trained in internal medicine at Washington University in St. Louis, where he also completed the Teaching Physician Pathway and Primary Care Track.
After residency, Dr. Kunz joined Northwestern Medicine as a full-time primary care physician and served as teaching faculty at Feinberg School of Medicine. He supervised residents on the inpatient service at Northwestern Memorial Hospital. In 2022, he launched ProActive Concierge Medicine to build the kind of patient relationships he had always believed medicine required. He holds staff privileges at Northwestern and AdventHealth UChicago. Dr. Kunz is passionate about metabolic health, cardiovascular risk stratification, VO2 Max as a longevity marker, body composition, insulin resistance, and glucose optimization. He relies on lifestyle intervention as first-line therapy before reaching for other options. Outside the office, he lives with his wife, two daughters, and a Bernedoodle in the western suburbs where he was raised.
Education & Training
Undergraduate
Wheaton College
Medical School
University of Illinois College of Medicine
Residency
Internal Medicine, Washington University in St. Louis; Teaching Physician Pathway and Primary Care Track
Conditions Treated
Who is Dr. Kunz right for?
Dr. Kunz is a strong fit for adults who want a proactive, data-driven approach to long-term health. Patients focused on metabolic health, cardiovascular risk, or body composition will find his in-office testing suite especially useful. He works well with patients managing insulin resistance, chronic conditions, or early cardiovascular risk markers. Adults motivated by lifestyle intervention and interested in longevity metrics like VO2 Max will connect well with his clinical approach.
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Frequently Asked Questions
Dr. Kunz treats a wide range of primary care and chronic conditions. His clinical focus includes metabolic health, insulin resistance, cardiovascular risk, and chronic disease management. He also manages hypertension, diabetes, thyroid disorders, and lipid abnormalities. He uses lifestyle intervention as first-line therapy across all of these areas.
Dr. Kunz uses advanced cardiac risk assessment to go beyond standard lipid panels. He evaluates ApoB, Lp(a), and CAC scoring alongside traditional markers. That combination helps him identify risk early and build a targeted prevention plan for each patient.
Dr. Kunz trained in internal medicine at Washington University in St. Louis, one of the country's top residency programs. He completed both the Teaching Physician Pathway and Primary Care Track there. He holds staff privileges at Northwestern and AdventHealth UChicago.
Dr. Kunz completed his medical degree at the University of Illinois College of Medicine. He then trained in internal medicine at Washington University in St. Louis. He also served as teaching faculty at Northwestern Medicine's Feinberg School of Medicine after residency.
Dr. Kunz launched ProActive in 2022 to build the kind of patient relationships he had always believed medicine required. His years on faculty at Northwestern showed him what was possible with more time and continuity. He designed the practice around that vision from the start.
Yes, Dr. Kunz offers VO2 Max assessment as part of his in-office testing suite. He views VO2 Max as one of the most reliable markers of longevity and cardiovascular fitness. The data helps him set precise exercise and health goals for each patient.
Dr. Kunz treats lifestyle intervention as first-line therapy. Before considering other options, he works with patients on nutrition, movement, sleep, and metabolic optimization. He uses in-house data from tools like CGM and DEXA to track real changes over time.
Yes, Dr. Kunz regularly manages patients with multiple chronic conditions. His panel size of 220 patients allows him to spend meaningful time on complex cases. He also coordinates specialty care and imaging when additional support is needed.
Doctor profile last updated March 21, 2026