Our Providers


Dr. Doug Leone

is a board certified dermatologist specializing in all aspects of skin care, with a focus on detecting and treating malignant and pre-malignant skin conditions. He has experience in treating thousands of skin cancers and is committed to providing quality, individualized, and up-to-date healthcare to his patients. Dr. Leone specializes in Mohs Micrographic Surgery. This surgery is the most advanced treatment for skin cancer as it provides the highest cure rates and leaves the smallest scars. He is also professionally trained and experienced in performing additional skin surgeries and cosmetic procedures.

Dr. Leone graduated Summa Cum Laude at the University of Illinois at Urbana-Champaign, and completed his medical degree at University of Illinois in May 2006. While attending medical school, Dr. Leone achieved multiple honors and awards, including: McGraw Hill Appleton-Lange Award given for Academic Excellence in medical school and the Senior Legacy Endowed Award for the highest overall academic performance in medical school.  He was also elected by his peers to serve as class president. He completed his residency in dermatology at the University of Connecticut where he was chosen by staff to be chief resident. He is a member of the American Academy of Dermatology, the American Society for Mohs Surgery, and the American Society for Dermatologic Surgery. When he is not working he enjoys spending time with his family along with a variety of outdoor activities including fishing, camping, skiing, and scuba diving.
Adrienne Schupbach Headshot

Dr. Adrienne Schupbach

is a board certified dermatologist specializing in all aspects of skin care, including medical, surgical, and cosmetic dermatology. Her professional areas of interest include skin cancer detection and treatment, psoriasis therapies, skin care, acne treatment, and cosmetic therapies.

Dr. Schupbach graduated Summa Cum Laude from the University of Illinois at Urbana-Champaign. She completed medical school at the University of Illinois at Chicago and graduated at the top of her class. Dr. Schupbach earned several awards for academic performance in medical school, including the McGraw Hill Appleton-Lange Award, and she was elected to the Alpha Omega Alpha Medical Honor Society. She completed her internship in internal medicine at the University of Connecticut. Dr. Schupbach then returned to the University of Illinois at Chicago to complete her residency in dermatology. Dr Schupbach is currently Clinical Assistant Professor of Dermatology at the University of Illinois College of Medicine. She is a member of the American Academy of Dermatology and the American Society for Dermatologic Surgery. Her hobbies include traveling, following the Fighting Illini sports teams, and spending time with her family.

Dr. Wynn Kao

Dr. Wynn Kao is a board-certified dermatologist who specializes in all aspects of skin care and sees patients of all ages and skin types. He is an expert on skin cancer detection and treatment, acne, dermatitis, psoriasis, skin infections, and skin reactions to medications and internal disease. He is an experienced cosmetic dermatologist as well, who performs botox, filler, and laser treatments.

Dr. Kao graduated Phi Beta Kappa from the Massachusetts Institute of Technology, and received his M.D. and Ph.D. degrees from Harvard Medical School. Following medical school and surgical internship, he completed his residency at the University of Puerto Rico, where he led an international team of researchers to multiple publications in clinical studies of melanoma. As an Assistant Professor of Dermatology at George Washington University, in the nation’s capital, and subsequently at Mt. Sinai in New York, he continued to see patients from all over the world and to publish additional articles on the molecular genetic mechanisms of skin cancer. He was honored to serve as personal dermatologist for several members of Congress and the State Department. In his spare time he enjoys spending time with his wife and daughter, playing jazz and classical piano, and sports including tennis and running.

Jennifer Stern, FNP-C

Jennifer Stern, FNP-C

Jennifer Stern is a board certified nurse practitioner with over 10 years of experience in Internal medicine, emergency medicine, and dermatology. She graduated from Illinois State University with a Master’s of Science in Nursing in 2005. Jennifer chose to specialize in the field of dermatology as she finds the treatment of skin disease very intriguing and rewarding.  Her areas of interest include treatment of acne, eczema, psoriasis, along with skin cancer surveillance and treatment.  Jennifer enjoys traveling, music, and spending time outdoors.

Stephanie Pasley, FNP-C

Stephanie Pasley is a board certified Family Nurse Practitioner specializing in Dermatology. She enjoys seeing and treating patients of all ages. She graduated with her Bachelor of Science in Nursing from OSF Saint Francis Medical Center College of Nursing and earned her Masters of Science degree in Nursing from OSF Saint Francis Medical Center College of Nursing graduating with distinction. She holds a national board certification with the American Academy of Nurse Practitioners. Stephanie has always had a passion for the field of dermatology. She finds skin disease evaluation, management and treatment fascinating. Her overall goal is to provide excellent, personalized care to her patients of all ages. Her areas of interest include treatment of acne, rosacea, eczema, cysts, and psoriasis along with skin cancer detection and treatment. In her free time, Stephanie enjoys traveling, reading and spending time with friends and family.

Chris Lillie PA

Chris Lillie, PA-C

Chris is a board certified Physician Assistant specializing in general medical dermatology and dermatologic surgery.  Chris was born and raised in Geneva, IL.  He graduated from Augustana College with a bachelor’s degree in biology.  Chris completed graduate training at Wake Forest University, ranked in the top 10 of Physician Assistant programs in the United States.  Prior to attending graduate school, he received two years of dermatology training in Geneva while working for Dr. Lawrence Johnson.  He attributes much of his passion for dermatology to that experience.

In his free time Chris enjoys exercising, watching sports, and spending time with friends and family.  He also loves to unwind at the family cottage in Michigan.  Chris takes pride in his work and strives to provide excellent care to all of his patients.


Leah Clark

Leah received her Esthetics license through Lincoln College in 2007.  She was at the top of her class as she studied esthetics, scoring 99 out of 100 on her state board exam.  Leah enjoyed working for over eight years in a salon and spa setting, and she is known for her sleep-inducing facials and expert brow shaping. She is thrilled to now be able to assist her guests with more results-oriented procedures at Dermatology and Mohs Surgery Institute.

She has struggled with acne for many years, and like many of you, the skin-care products she used either didn’t help or made matters worse.  She has a particular interest in helping teens develop good skin care habits.  In addition to effectively treating breakouts for persons of all ages, she will draw on her knowledge and experience to address a variety of skin concerns.

Leah is dedicated to helping you develop a procedure plan complimented by excellent skin care products to assist in meeting your skin care needs.  She will work with you to construct an individualized treatment plan for your skin.  Leah’s goal is not only to treat, but also educate her clients before, during and after treatments so that all experiences are both enjoyable and positive.