Affiliated Physicians of Suite 118 in Chicago, IL

Updated November 2026How we check doctors

3 doctors at this practice680 N. Lake Shore Drive, Suite 118, Chicago, IL 60611

About the practice

The group describes its practices as concierge internal medicine.

Each physician is out of network with insurance plans.

Practice details come from the practice's own website (680docs.com).

Doctors at this practice

Photo of Charles D. Dillon, MD

Charles D. Dillon, MD

Internal Medicine physicianConcierge
Affiliated Physicians of Suite 118 · Chicago, IL
Medical school Georgetown University
Training Penn State University
  • General internal medicine
  • Preventive medicine
  • Cardiovascular disease
Photo of Mark C. Chien, MD

Mark C. Chien, MD

Internal Medicine physicianConcierge
Affiliated Physicians of Suite 118 · Chicago, IL
Medical school University of Illinois at Chicago College of Medicine (2003)
Training University of Illinois College of Medicine at Chicago (2006)
  • Adult medicine
  • Cancer screening
  • Cholesterol management
Photo of Sean Cahill, MD

Sean Cahill, MD

Internal Medicine physicianConcierge
Affiliated Physicians of Suite 118 · Chicago, IL
Medical school Loyola University Stritch School of Medicine (1999)
Training Combined internal medicine and pediatrics, Loyola University Chicago (2003)