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.

Avery MacIntosh, PA-C

We are excited and pleased to welcome Avery MacIntosh, PA-C to our clinical team. Avery is a board-certified physician assistant who is dedicated to providing compassionate, high-quality care to patients of all ages. With her training and experience in dermatology she is committed to building lasting relationships and working closely with J. Mark DeMay, MD and David J. Grote, PA-C to deliver personalized, evidence-based treatment. We’re proud to have Avery as part of our team and look forward to the dermatologic care she will provide our community.

Services Offered: Acne, Actinic Keratosis, Allergic Reactions, Body Skin Check, Botox, Bullous Diseases, Chemical Peels, Hand Dermatitis, Drug Eruption, Eczema, Fungal and Yeast Infections, Herpes Zoster (Shingles), Hives, Insect Bites, Itching, Laser Procedures, Mole Check, Perioral Dermatitis, Psoriasis, Rosacea, Scabies, Seborrheic Dermatitis, Skin Cancers, Stasis Dermatitis, Vascular Diseases, Vitiligo, Warts and other dermatologic conditions and problems.

Avery is originally from the Twin Cities area, she received her Bachelor’s of Science degree at the University of Northwestern-St Paul. She continued her education in Orange City, IA at Northwestern College where she gained her Master’s of Physician Assistant Studies. Her interests include both medical and aesthetic dermatological care. She believes in compassionate patient care centered around physical and emotional well-being. She currently lives in Remsen, IA with her fiance and golden retriever. In her free time she enjoys reading, spending time outdoors, and visiting family in Minnesota.

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.

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.

Review Us On Google

Dermatology Associates of Siouxland, PC IconDermatology Associates of Siouxland, PC

2930 Hamilton Boulevard, Sioux City

4.0 33 reviews