Lexi Kremer-Callahan, M.D.
TROY, Ill. — 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.

Get The Latest News!

Don't miss our top stories and need-to-know news everyday in your inbox.

Article continues after sponsor message

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.

 

More like this:

HSHS Medical Group Welcomes Family and Sports Medicine Physician John M. Kaschke, MD, in O'Fallon, IL.
Aug 11, 2026
New Internal Medicine Physician Strengthens Adult Primary Care In O’Fallon
Jul 29, 2026
OSF HealthCare Welcomes New Primary Care Provider, Daphne Aponte, MD
2 days ago
New O’Fallon Gastroenterologist Brings Specialized Digestive Care To Patients
Jul 29, 2026
Gastroenterology Care in O’Fallon, IL., Expands With New Provider
Jun 15, 2026