Advanced Internal Medicine of Northern Illinois is an independent primary care clinic serving patients at locations in Sycamore and Elgin, Illinois. Its physicians provide personalized internal medicine for people over 16, with care spanning acute health needs, preventive medicine, and ongoing support at different stages of life. The practice manages chronic conditions including diabetes, heart disease, high blood pressure, arthritis, and high cholesterol, and offers geriatric care tailored to the health needs of older adults.

Services include primary care, wellness exams, preventive care, women’s and men’s health, laboratory testing, telemedicine, immigration physicals, and cholesterol testing. Patients can also access physician-supervised medical weight loss and obesity medicine, including an advanced genetic testing program for rare causes of obesity. Additional offerings listed by the clinic include indirect calorimetry, FibroScan, Botox, and laser treatments. Concierge options are also available.

The clinic emphasizes consistent, individualized care and accepts new patients, with appointments advertised within 48 hours. Its two offices serve nearby communities across the region, including DeKalb, Huntley, South Elgin, and West Dundee.