New Family Medicine Physician Expands Access to Care in Troy
September 08, 2026
//
New Providers
HSHS Medical Group welcomes Lexi Kremer-Callahan, MD, a family medicine physician, to HSHS Medical Family Medicine-Troy at 7342 State Rt. 162 in Troy, Illinois.
Dr. Kremer-Callahan is a primary care physician specializing in family medicine, caring for patients of all ages. Her scope of practice includes well-child visits, preventive screenings, chronic disease management, women's health and pediatrics. She chose family medicine for the wide variety of care it offers and the opportunity to build long-term relationships with patients.
Patients can expect a provider who listens closely and explains treatment options in clear, practical terms. Dr. Kremer-Callahan values open communication, patient education and shared decision-making, working with each patient to set and reach their health goals.
She earned her medical degree from Southern Illinois University School of Medicine in Springfield, Illinois, and completed her family medicine residency at Saint Louis University/SSM St. Mary's Family Medicine in St. Louis, Missouri. She holds a Bachelor of Arts in biology, magna cum laude, from Illinois Wesleyan University in Bloomington, Illinois.
To schedule an appointment with Dr. Kremer-Callahan, call 618-343-3722. New HSHS Medical Group patients may call the HSHS Medical Group Patient Advocate at 844-520-8897 to help set up their first appointment.
Dr. Kremer-Callahan is a primary care physician specializing in family medicine, caring for patients of all ages. Her scope of practice includes well-child visits, preventive screenings, chronic disease management, women's health and pediatrics. She chose family medicine for the wide variety of care it offers and the opportunity to build long-term relationships with patients.
Patients can expect a provider who listens closely and explains treatment options in clear, practical terms. Dr. Kremer-Callahan values open communication, patient education and shared decision-making, working with each patient to set and reach their health goals.
She earned her medical degree from Southern Illinois University School of Medicine in Springfield, Illinois, and completed her family medicine residency at Saint Louis University/SSM St. Mary's Family Medicine in St. Louis, Missouri. She holds a Bachelor of Arts in biology, magna cum laude, from Illinois Wesleyan University in Bloomington, Illinois.
To schedule an appointment with Dr. Kremer-Callahan, call 618-343-3722. New HSHS Medical Group patients may call the HSHS Medical Group Patient Advocate at 844-520-8897 to help set up their first appointment.
Media Contact
Kelly Barbeau
System Director, Communications & Public Relations