The brief descriptions below are designed to familiarize you with our staff's
training, professional credentials and work experience.
Dr. Elizabeth N. Fahrenbach
Dermatologist in Niles, IL
North Branch Dermatology
Dr. Elizabeth Fahrenbach MD, a Chicagoland native, is a board certified dermatologist and a fellow of the American Academy of Dermatology.
Dr. Fahrenbach completed her undergraduate education at Dartmouth College in Hanover, New Hampshire graduating cum laude. Following her undergraduate education, Dr. Fahrenbach attended the Stritch School of Medicine at Loyola University Chicago, graduating with high honors. She completed her residency at John H. Stroger, Jr. Hospital of Cook County. In addition, Dr. Fahrenbach is a Fellow with the American Society of Mohs Surgery.
Dr. Fahrenbach specialized in general dermatology including medical, surgical, and cosmetic dermatology. She treats patients of all ages and is fluent in Spanish.
Professional affiliations include American Society of Mohs Surgery, American Society for Dermatologic Surgery, Chicago Dermatological Society, Great Lakes Dermatologic Society, American Contact Dermatitis Society and American Academy of Dermatology.
Dr. Joanna K. Jaros
Dermatologist in Niles, IL
North Branch Dermatology
Dr. Joanna "Asia" Jaros, MD is a Polish and Spanish-speaking, board- certified dermatologist from Niles, IL. Dr. Jaros received her undergraduate degree from Northwestern University and graduated with honors from the University of Illinois College of Medicine in Chicago on an academic scholarship. She was inducted into the Gold Humanism Honors Society for her work with underserved patients and awarded the George H. Miller HSSR Grant for her research.
Dr. Jaros completed dermatology residency at the Cook County Hospital and Health System (CCHHS) where she proudly served as Chief Resident in her final year. During this time, she authored numerous posters, scientific articles, and book chapters on the topic of eczema, urticaria, and complementary therapies for dermatologic conditions.
Dr. Jaros loves taking care of patients of all ages and is especially interested in medical dermatology, integrative medicine, dermatologic surgery and resident education.
Caryn R. Olshansky, PA-C
Physician Assistant in Niles, IL
North Branch Dermatology
Caryn Olshansky grew up in the suburbs of Chicago and attended the University of Illinois Champaign-Urbana, receiving her Bachelor's of Science in Chemistry. She then went on to earn her Master's of Health Sciences in Physician Assistant Studies from South College in Knoxville, TN in 2016.
Caryn is a member of the American Academy of Physician Assistants (AAPA), Illinois Academy of Physician Assistants (IAPA), The Society of Dermatology Physician Assistants (SDPA), and the Illinois Society of Dermatology Physician Assistants (ISDPA). In her free time Caryn enjoys spending time with her dog Penny and doing arts and crafts.
Katherine Janezic APRN, AGNP-C
Nurse Practitioner in Niles, IL
North Branch Dermatology
Katherine Janezic is a certified Nurse Practitioner. Katie completed her undergraduate degree in 2014 at Saint Louis University in St. Louis Missouri, earning her Bachelor of Science in Nursing degree. Katie then worked as an inpatient Registered Nurse for 5 years in various specialty areas. While working full time as a nurse, she attended Rush University College of Nursing in Chicago, Illinois, earning her Doctor of Nursing practice degree in 2019. Katie then earned her certification through the American Academy of Nurse Practitioners Certification Board.
Katie's clinical interests include general dermatology, skin cancer, acne and psoriasis.
Katie is a current member of the American Academy of Nurse Practitioners and Society of Dermatology Physician Assistants.
Megan Bonis MSN, APRN, AGNP-C
Nurse Practitioner in Niles, IL
North Branch Dermatology
Megan Bonis is a certified Nurse Practitioner. Megan completed her undergraduate degree at University of Wisconsin Eau-Claire earning a Bachelor of Science in Health Science. She then went on to earn her Masters of Science in Nursing, graduating summa cum laude, through Marquette University in Milwaukee, Wisconsin. For three years she worked as a Registered Nurse in a high acuity post surgical oncology unit before acquiring a position at a Dermatology clinic that specializes in medical, surgical and cosmetic dermatology. She continued her education at Marquette University earning her advanced practice degree as an Adult-Gerontology Primary Care Nurse Practitioner. Megan then earned her certification through the American Academy of Nurse Practitioners Certification Board, scoring in the 99th percentile. She is a member of the Illinois Society of Dermatology Physician Assistants (ISDPA).
Her clinical interests include general dermatology, eczema, acne, cosmetics, and hair loss.
All of our providers provide superb dermatology services in a warm, friendly and calm environment. Dr. Fahrenbach, Dr. Jaros, Katherine Janezic NP, Caryn Olshansky PA-C and Megan Bonis NP like to get to know the patient as a unique individual and create practical treatment plans that can be integrated into daily life as easily as possible. They want to be sure that all questions and concerns are answered clearly before the patient leaves the office.
Dr. Fahrenbach and Dr. Jaros are board certified dermatologists.