About Dr. James Lahti, MD
James G. Lahti, MD, MPH, is a board-certified dermatologist.
Dr. Lahti is a diplomate of the American Board of Dermatology and is a fellow of the American College of Mohs Surgery.
Patient Education Resources
There is some evidence to suggest that diet can play a role in the development of acne. Studies have found that a diet high in sugar and processed foods can increase the risk of developing acne. Diets...
Biologics are a class of medications that can be used to treat eczema, a chronic skin condition characterized by inflammation and itching. Biologics work by targeting specific parts of the immune syst...
The best treatment for warts will depend on the type and location of the wart, as well as the patient's overall health and preferences. Some common treatment options for warts include:Salicylic ac...
Facial rejuvenation refers to a variety of cosmetic treatments that are designed to improve the appearance of the face and make it look more youthful. These treatments can include a combination of non...
Microneedling is a cosmetic procedure that involves using a device with fine needles to create tiny punctures in the skin. The needles are typically between 0.5mm and 2.5mm in length, and are used to ...
Education & Training
A native of the Chicagoland area, he received his medical degree from Northwestern Medical School and completed residencies in internal medicine at Harvard University and dermatology at the University of Maryland, where he served as chief resident. He completed a fellowship in Mohs micrographic surgery at the Dermatologic SurgiCenter in Philadelphia and a Master's Degree in Public Health from the University of California, Berkeley. He is a clinical instructor at Northwestern University, Feinberg School of Medicine.
Professional Affiliations
Dermatology Partners of the North Shore

Dermatology Partners of the North Shore (DPNS) is the largest private dermatology clinic in the Chicago North Shore area. For more than 20 years and with over 200 years of combined experience, each provider at DPNS is dedicated to providing the highest quality dermatologic care in a friendly, compassionate environment.
Our three divisions, including the General Dermatology Center, our Surgical Center as well as our Center for Aesthetics, all provide the latest technology to meet the individual needs of our patients within the same convenient location.