About Us

Welcome to Signature Dermatology, located in Hilliard, Ohio located on the west side of Columbus, Ohio!

We are currently accepting new patients. Since your skin is the largest organ of the body, it deserves unparalleled attention! At Signature Dermatology, our highly-trained, board-certified Columbus Ohio Dermatologists offer the latest techniques and advances in the specialty of dermatology to diagnose and treat all conditions of the skin, hair, and nails. Both Dr. Cassandra and Dr. Costanza focus on providing comprehensive care for persons of all ages. Your skin is our passion, and we strive to make every patient’s visit an unforgettable, Signature experience.

Our practice is conveniently located just off I-270 in the Mill Run area of Hilliard, Ohio and we are very excited to serve the greater Columbus, OH area. With a beautiful, new, state-of-the art facility, we are proud to be the only headquartered dermatology practice in Hilliard. We can offer patients very prompt appointments, and our physicians and staff make providing friendly, attentive care a priority. Come and visit our dermatology facility.

It is our mission to treat your concerns with genuine care and offer you the most current medical treatments.

Come meet our Board Certified Dermatologists for a full body skin exam or cosmetic consultation.

Contact Us to Schedule An Appointment 


“I have been going to Signature Dermatology for 3 years now and will continue to go back. The office is very clean and the staff is so friendly. I never have to wait long to see the doctor. One time they even worked me into the schedule for an emergency before I had to leave for vacation. Both physicians are professional and have always addressed my concerns w care! I also appreciated their expert advice on cosmetic issues. I’ve left the office each time feeling satisfied with my care.”

Kirsten H. 

“I would highly recommend this practice. Dr. Cassandra & Dr. Costanza were absolutely wonderful when I had a procedure done on my lower lip. I had a question after office hours and Dr. Cassandra herself followed up with me that same night. They made sure I was comfortable and also called the following day to see how everything was feeling/healing. I will continue to be a patient for any future needs. Also very happy with the procedure outcome.”

Courtney H.