Available 8:30am - 5pm CST
21660 W. Field Parkway Deer Park, IL 60010
495 Central Ave Second Floor Northfield, IL 60093
Available 8:30am - 6pm CST
21660 W. Field Parkway Deer Park, IL 60010

Get to know us

Changing the way you look at healthcare starts here.

Our goal is to partner with you on your path to optimal health, wellness, and vitality.

Through our functional medicine approach, we identify the root cause of disease and treat the underlying imbalance rather than the symptoms.

Family Nurse Practitioner at retreat care group, PLLC

Irina Frenkel, FNP

Irina Frenkel, FNP is a family nurse practitioner who has practiced functional medicine for the majority of her career. She obtained her nursing degree from Loyola University and her Master’s degree from DePaul University in Chicago. While teaching and working on her research in chronic disease reversal she identified that there are alternative methods to keeping the body balanced and healthy, that involve making a commitment to healthy lifestyle choices. She and was able to identify and help recover her own pancreatic function, after a diabetes diagnosis. She has made it a mission to teach each person how their body is created and how to nurture it in the proper ways to achieve maximum health outcomes.

Women's Health Nurse Practitioner at retreat care group, PLLC

Sarah Brown, DNP, CNM, WHNP

Sarah Brown, DNP, CNM, WHNP is a certified nurse midwife and women’s health nurse practitioner. She has practice experience in pediatrics, labor & delivery, community birth, and gynecology settings. She obtained her doctorate degree from University of Illinois at Chicago. A primary passion of Sarah’s is physiologic birth, which pertains to moving through labor, birth, and postpartum in a way that prioritizes one’s natural body processes & capabilities. Functional medicine, being rooted in supporting the body’s natural ability to heal, became a deep interest to Sarah as she recognized a profound intersection with her own specialty. While finishing her program at UIC, Sarah began working at retreat as our nurse and has since joined the team as a provider. She plans to integrate her knowledge in reproductive & intimate health with her functional training to optimize health outcomes from puberty to menopause, and everything in between.

Your new retreat has a home

Changing healthcare perception starts with imagining a whole new provider ‘office’.

Partnering with some of the best designers in the area, we’ve created a space that is serene, functional, and calming. Rebuilding healthcare from the ground up takes time, and it was certainly worth it.

Grab a juice at the all-natural re/juvinate bar, stop by for a complimentary Starbuck’s™ coffee, and wait for your upcoming appointment in one of our relaxing couches, chairs, or ottomans.

The new wave of healthcare is here, and we can’t wait for you to see what’s in store.