Meet the Staff

Our skilled medical team is dedicated to providing you with the care and tools necessary for a healthy, beautiful life. In the highly-respected, professional, compassionate environment of Dermatology Associates of Siouxland, PC, our staff teams up to provide personalized, cutting-edge treatment for our patients dealing with the stress of on-going skin conditions, and can turn your vision of healthy and beautiful skin into a reality.

J. Mark DeMay, MD

An expert in all facets of dermatology. He is a graduate of Creighton University and the University of Nebraska Medical Center. He completed his internal medical residency at Good Samaritan Hospital and Medical Center, Portland OR and his research fellowship and dermatology residency at Oregon Health Sciences University, Portland, OR. Dr. DeMay’s research interests include Psoriasis, Atopic Dermatitis, and Dermatomyositis and Sweet’s Syndrome. He has received numerous honors and awards, and maintains memberships in several medical associations. Including the National Psoriasis Foundation and American Acne and Rosacea Society.  He additionally supports the Skin Cancer Foundation and the National Eczemz Association. Dr. DeMay treats a broad array of skin conditions in patients of all ages. His mission is to bring relief to his clients through empathetic, experience-based treatment and ongoing education concerning the health of their skin.

David J. Grote, PA

A native of Sioux City, IA. He studied at Wayne State University of Wayne, NE and the University of IA, Iowa City, IA, and completed the University of Oklahoma-Army PA Program in 1989. He has extensive experience in medical settings throughout Nebraska and Iowa, and is an Iowa Army National Guard veteran. Mr. Grote is passionate about providing patients dealing with the physical and emotional pain of skin conditions with the type of care he himself would like to receive—professional, cutting-edge treatment in a concerned environment.

Lindsay Letsche, RT(R)(T)

Lindsay is a board-certified radiation therapist with over 10 years of experience in treating different types of cancer. She graduated from the Mayo Clinic with a degree in radiation therapy. She lives in the Siouxland area with her husband and 3 kids. At home, she enjoys spending time outdoors with her family and pets.

Macy Nicholson, RT(R)(T)

Macy grew up in the Siouxland area. She is a Board-Certified, Radiation Therapist with a degree from Mitchell Technical College and has a passion for helping others. When Macy is not at work, she enjoys being active, golfing, traveling, baking and spending time with family.

Our business is tailored to you. Contact us today to set up a free, private consultation for your skin condition concerns, and become comfortable in your own skin again.

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2930 Hamilton Boulevard, Sioux City

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