About
Dr. Lindsay Ketzner earned her undergraduate degree from the University of Evansville and her Masters of Biology from Purdue University before completing her MD at IU School of Medicine. She then trained in family medicine at St. Vincent Family Medicine Residency and holds board certification in family medicine. Her background includes years of practice as a rural family medicine physician in Indiana.
Dr. Ketzner founded Radiant Life Family Medicine to build a practice centered on genuine patient relationships and proactive health. She places preventive medicine first. Her goal is to help each patient reach their best health through forward-thinking strategies rather than reactive treatment. She is passionate about educating patients on lifestyle changes and supporting them in reducing medications when possible. Outside the clinic, Dr. Ketzner enjoys cooking, running, sports, and the outdoors. She loves to travel with her husband Aaron and their three children.
Education & Training
Undergraduate
University of Evansville
Medical School
IU School of Medicine
Residency
Family Medicine, St Vincent Family Medicine Residency
Additional Training
Masters of Biology, Purdue University
Certifications
Conditions Treated
Who is Dr. Ketzner right for?
Dr. Ketzner is a strong fit for patients of any age who want a consistent, accessible primary care physician. Adults managing chronic conditions like diabetes, hypertension, or obesity benefit from her proactive, relationship-driven approach. Patients who value lifestyle-based strategies and want to reduce long-term medication use will find her philosophy well-matched to their goals. Families seeking a single physician for both pediatric and adult care can cover all members under one membership.
Similar Doctors Nearby
Dr. Lindsey TaylorMD
Family Medicinechronic diseases, mental health, preventive care +3 more
Dr. Errin WeismanD.O.
Primary Careopioid use disorder, methamphetamine use disorder, alcohol use disorder +17 more
Frequently Asked Questions
Dr. Ketzner treats a broad range of conditions across all age groups. She focuses especially on chronic disease management, including diabetes, hypertension, and obesity. She also handles acute care visits, preventive screenings, pediatric wellness, and lifestyle-related health concerns.
Yes. Dr. Ketzner holds board certification in family medicine. She completed her residency training at St. Vincent Family Medicine Residency after earning her MD from IU School of Medicine.
Dr. Ketzner earned her MD from IU School of Medicine and her Masters of Biology from Purdue University. She completed her family medicine residency at St. Vincent Family Medicine Residency and brings additional experience as a rural family medicine physician.
Dr. Ketzner prioritizes prevention over reaction. She focuses on proactive strategies tailored to each patient and is passionate about helping patients make lifestyle changes that improve long-term health. Her goal is to reduce reliance on medications whenever possible through targeted interventions.
Yes. Dr. Ketzner provides care for patients of all ages, from newborns through adults. She offers pediatric wellness visits, school and sports physicals, vaccines, and chronic care management for both children and adults.
Yes. Members contact Dr. Ketzner directly by text, phone, email, or through the SigmaMD mobile app. This direct access lets patients address questions and concerns without waiting for a scheduled visit.
Yes. Dr. Ketzner runs a dedicated weight management membership at $65 per month for adults 18 and older. She takes an individualized approach to identify the root cause of weight concerns, recommends therapeutic lifestyle interventions, and prescribes weight loss medications when appropriate.
Dr. Ketzner performs a range of in-office procedures, including skin biopsies and joint injections. She also conducts in-office lab tests, administers vaccines, and completes school, camp, and sports physicals.
Doctor profile last updated September 17, 2026