441 E. San Marnan Drive, Suite 110
Waterloo, IA 50702
(319) 234-6000

At Premier Dermatology, we recognize that your choice of a dermatologist is driven both by the doctor's competency and personality. When searching for dermatological treatment, you need a dermatologist who is experienced, understanding and supportive. You get this caring attitude from all the staff at Premier Dermatology every day. Our staff works together as a team to be sure we are responsive to your needs and keep you informed about your health issues. We look forward to getting to know you.



Justin Ellerbroek, MD     

Dr. Ellerbroek is a board certified dermatologist specializing in all aspects of skin care for both children and adults.  He has a special focus on the detection and treatment of skin cancer, and is the only provider in the region that offers 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 has treated thousands of malignant skin lesions with this technique.  He is additionally experienced in performing cosmetic procedures and in treating a wide variety of skin conditions, including acne, eczema, warts, and psoriasis.

Dr. Ellerbroek completed his medical degree at the University of Illinois in 2006.  While there, he received numerous awards and graduated with honors at the top of his class.  He completed his dermatology residency at the University of Missouri in 2010, where he was chosen to serve as chief resident in his final year.  He is a member of the American Academy of Dermatology and the American Society for Mohs Surgery, and is certified by the American Board of Dermatology.   When not working he enjoys spending time with his family along with numerous activities including running, weightlifting, bicycling, kayaking, adventure travel, photography, and learning new languages.




Alena Ellerbroek, ARNP

Alena Ellerbroek is a board-certified nurse practitioner specializing in general medical dermatology and cosmetic dermatology.  She has received thorough training while working alongside her husband, Dr. Ellerbroek, who she continues to collaborate with daily. Her expertise includes the diagnosis and treatment of skin cancer and pre-cancers, acne, rashes, and warts, to name a few. You can expect Alena to stay up to date on new treatments and evidence-based guidelines as well as keeping cost in mind for her patients who need cosmetic or acne treatments.  Her cosmetic skills include the administration of Botox as well as chemical peels.  You may also ask her about our products offered in the office, including Obagi and EltaMD. She enjoys working with patients of all ages and teaching them about their skin conditions. 

Alena was a double major at the University of Iowa in Iowa City, IA and received her Bachelor of Science in nursing and Bachelor of Arts in psychology in 2004.  She worked in Pediatric Intermediate Care and Pediatric Intensive Care as well as the St. Jude affiliate inpatient care at OSF Saint Francis Medical Center in Peoria, IL. After several years in inpatient pediatrics she decided to go on for additional training.  She then went on to complete her Master of Science in nursing with a focus as a Family Nurse Practitioner at the University of Missouri in 2010, graduating with a 4.0 GPA.  She has received numerous awards and scholarships due to her academic excellence all through her undergraduate and graduate studies. When she is not working, she enjoys fitness, travel, scuba diving, the culinary arts, and spending time with her family, which includes two young daughters and Dr. Ellerbroek. They have been married since 2004.