Working Hours Monday - Friday 08:00-16:00
Toll Free 1800.899.900


Comprehensive Primary Care

Our doctors specialize in primary care for adults, from late teen years to old age in the Chicago area. We offer extensive experience in the prevention, diagnosis and treatment of disease. Our goal is to work in partnership with our patients, educating and guiding them, monitoring their overall health, controlling risk factors and treating illnesses and health conditions with the best possible care.

Our friendly, compassionate staff will work with you to develop a treatment plan tailored specifically to your needs and the needs of your family.

Consider us your healthcare home base!

Meet the Provider


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Meet the Staff

Dr. Gerald Simon

Internal Medicine specialist

Dr. Gerald Simon is an Internal Medicine specialist in La Grange, Illinois.

Jackie Celmer

Nurse Practitioner

Jackie Celmer is a Family Nurse Practitioner working with Dr. Simon.

Support Staff

Support Staff

Two Locations

Downers Grove
412 63rd Street, Suite 100
Downers Grove, IL 60516
Phone: 331-775-2783
Fax: 866-399-1492

Office hours:
Monday-Friday 9:00 am - 4:30 pm
Saturday 8:00 am - 12:00 pm



Countryside
6438 Joliet Road
Countryside, IL 60525
Phone: 708-352-5222
Fax: 866-353-5699

Office hours:
Monday-Friday 9:00 am - 4:30 pm
Saturday 8:00 am - 12:00 pm