Surgical Staff


Dr. Micheal J. Schenden
Board Certified Plastic and Aesthetic Surgeon

Read More on Dr. Schenden's Page.




Dawn Ryan, RN, BSN, CRNFA
Operating Room Manager

Dawn Ryan is the manager of our Columbia Surgical Center. She graduated with a Bachelor’s of Science in Nursing from Mercy College of Detroit in 1987. Dawn has been licensed as an operating room nurse since 1997 and is both ACLS and BCLS certified. She is a highly skilled registered nurse trained in all areas in our surgical center and is certified as a first assistant to the doctors during surgery.

Dawn chose to join our practice because of her love of plastic surgery. She thinks of plastic surgery as a “positive surgery that enhances one’s self esteem.” Dawn has over 26 years working in and around plastic surgery including time with a prominent surgeon to the stars in Beverly Hills. In addition, she has worked alongside Dr. Schenden in a hospital surgical setting and will use this knowledge to ensure your experience at our private surgical center will meet or exceed your expectations.


Gabrielle Adragna
Certified Surgical Technologist, CST
Certified Central Sterile Processing Technician, CSPT

Gabrielle received her associate’s degree in Surgical Technology from Macomb Community College. She is devoted to keeping a safe and sterile operating field to prevent surgical site infections and making sure the procedures run as smooth and efficient as possible. As Dr. Schenden’s surgical assistant, she works with all the team members, the circulating nurses, our anesthesia providers and the first assist to deliver safe and exceptional care to our patients. She chose to work at this practice because of the high level of teamwork and professionalism demonstrated daily by her fellow co-workers.


Raquel Merlini
Registered Nurse

Raquel has worked with Dr. Schenden since 2010. She is a Registered Nurse who has been trained in cosmetic injections and patient care in our Columbia Surgical Center. Raquel assists in the operating room as a circulating nurse. She will be with you during pre-operative screening and in the operating room during surgery and is devoted to making sure you are comfortable with all aspects of your surgery. Your care and satification is her top priority. Raquel is also a licensed Aesthetician at Schenden’ Medical Day Spa. She is a value to all three of our companies with the ability to offer our patients a wide range of services. She is always willing to help where needed. Known for an artistic eye, her goal is to help people feel beautiful and refreshed.


Tarra Martin
Registered Nurse

Tarra received her associate’s degree in nursing from Macomb Community College and a Bachelor’s of Science in Nursing from Chamberlain College of Nursing.  In addition, she is certified in Advanced Cardiac Life Support (ACLS) and Basic Life Support (BLS). She is dedicated to providing the highest quality level of care while promoting a safe and comfortable environment. As a circulating nurse in the operating room she takes on the role of patient advocate by addressing and evaluating any needs to ensure the best possible outcome. Tarra chose to work in our practice because of her love for plastic surgery, anatomy and learning new things.  She feels honored to work with a group of people who treat you like family and work as a team to produce such amazing results for all of our patients.


Valerie Milobar
Registered Nurse

Valerie recently came to the Columbia Surgery Center via Beaumont Hospital in Troy. She has an Associate’s Degree in Nursing from Macomb Community College. Valerie has 20 years of healthcare experience in the hospital setting and is ACLS and BCLS certified. She has had the pleasure of caring for many of Dr. Schenden’s patients prior to joining our team.

Valerie chose to work in this practice because she feels a sense of pride to be a part of such a caring and skillful team that delivers the highest quality physical and emotional results to our patients. As a patient, you will meet Valerie as she prepares you for surgery. She will also take care of your recovery. Valerie is committed to help make your stay before and after surgery as comfortable as possible.