Welcome To Our Office

“We are committed to excellent, professional service offering our patients the most advanced knowledge and treatments for their dermatological needs.”

Marek A. Stawiski, M.D.

Board Certified Dermatologist

Dr. Marek StawiskiThe Psoriasis Treatment Center was established in Grand Rapids by Dr. Marek Stawiski in 1978. Dr. Stawiski has had psoriasis since the age of four and has tremendous empathy and understanding for his psoriasis patients. After specializing in Dermatology at the University of Michigan, Dr. Stawiski was instrumental in opening the psoriasis treatment center at U of M and in researching many new therapies for psoriasis. In 1978, he moved to Grand Rapids and opened the Psoriasis Treatment Center which has become the largest treatment center in the state.

Kristi B. Hawley, D.O.

Board Certified Dermatologist

After completing her medical school at Ohio University, Dr. Hawley attended dermatology residency at Michigan State University/Beaumont Hospital in Detroit, and fell in love with the state of Michigan.  Dr. Hawley is excited to begin assisting the Grand Rapids and Jenison areas in treating their skin issues.  She has special interest in medical dermatology, including acne, warts and rashes; surgical dermatology; and she is highly trained in cosmetic procedures.

As a DO, Dr. Hawley is not only trained to recognize and treat the signs and symptoms of disease, but she believes in listening and partnering with her patients to get them better and to be well.  She takes a whole-person approach to treatment and care, and gives her patients the time and attention they need.

Emily Mullenix

Emily is our Administrative Assistant. Emily is the first person to greet you as you register. She will help with insurance questions and is an excellent resource to direct questions or concerns.

Shayli Nichols, R.M.A.

Shayli is a Medical Assistant who is responsible for obtaining prior authorizations and coordinating the clinical studies in our office.  Shayli is also phototherapy certified and provides patient care.  She is very knowledgeable and a wonderful resource to our patients.

Amaryllis Amy Valentin, R.M.A.

Amy is a Medical Assistant. Amy has been a Medical Assistant for many years prior to joining our staff. She is bilingual and helps interpret for Spanish patients who are being seen by Dr. Stawiski.  She enjoys working with patients whether it is answering questions or providing therapy.

Tracy Schoon, R.M.A.

Tracy is a Medical Assistant who is phototherapy certified. She is warm and welcoming and can be seen providing therapy for patients coming for light treatment.  She also assists with office visits and prior authorizations.