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CNOS® 金刚趣投游戏官网 provides medical treatment and preventative services for a wide variety of your healthcare needs. Whether you need diagnostic screenings, physical/occupational therapy, or non-surgical/surgical interventions for a major health condition, our multidisciplinary team offers personalized care at a location near you. We pride ourselves in bringing reliable care close to home.

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Our integrated physician and professional network serves patients from many convenient locations throughout Iowa, Nebraska, and South Dakota.
Find a clinic location near you!

Dr. Benjamin Bissell, Orthopaedics

Dr. Benjamin Bissell, Orthopaedics

Dr Bissell and his P.A. were great to work with throughout my initial visit for my shoulder through the surgical procedure. Even when I was frustrated and impatient with the process, Dr Bissell took the time to make sure I fully understood and ...
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Dr. Benjamin Bissell, Orthopaedics

Dr Bissell and his P.A. were great to work with throughout my initial visit for my shoulder through the surgical procedure. Even when I was frustrated and impatient with the process, Dr Bissell took the time to make sure I fully understood and give me the best chances to heal successfully and regain use of my dominant arm.
Dr. Benjamin Bissell, Orthopaedics
Dr. David Rettedal, Foot & Ankle Care

Dr. David Rettedal, Foot & Ankle Care

As a mom knowing your child is hurt causes a buildup of emotions. Now add your daughter needing surgery and the overwhelming amounts of anxiety and fear set in. Dr.Rettedal and his staff at CNOS® 金刚趣投游戏官网 were a blessing. They answered ...
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Dr. David Rettedal, Foot & Ankle Care

As a mom knowing your child is hurt causes a buildup of emotions. Now add your daughter needing surgery and the overwhelming amounts of anxiety and fear set in. Dr.Rettedal and his staff at CNOS® 金刚趣投游戏官网 were a blessing. They answered all my "mom" questions and even things I didn't think of. The day of surgery finally came and he eased the emotions she had; I knew she was in good hands. Dr.Rettedal was a 10 out of 10 and highly recommended his skill and attention to detail.
Dr. David Rettedal, Foot & Ankle Care
Dr. James Hegvik, General Surgery

Dr. James Hegvik, General Surgery

Everyone was professional, helpful, and courteous. Dr. Hegvik was not only courteous to me, but to my friend who joined me in the examination room. He popped in and out of the exam room a couple times to get information concerning my issue. ...
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Dr. James Hegvik, General Surgery

Everyone was professional, helpful, and courteous. Dr. Hegvik was not only courteous to me, but to my friend who joined me in the examination room. He popped in and out of the exam room a couple times to get information concerning my issue. He was never gone long and apologized for the wait. I would recommend him and other staff members to all my friends that might need his services.
Dr. James Hegvik, General Surgery
Dr. David Rettedal, Foot & Ankle Care

Dr. David Rettedal, Foot & Ankle Care

Dr. Rettedal has been the best doctor for my foot! He has an amazing bedside manner! He is always making sure that my foot is ok and is willing to offer more when needed.

Dr. David Rettedal, Foot & Ankle Care

Dr. Rettedal has been the best doctor for my foot! He has an amazing bedside manner! He is always making sure that my foot is ok and is willing to offer more when needed.
Dr. David Rettedal, Foot & Ankle Care
Dr. Aaron Althaus, Orthopaedics

Dr. Aaron Althaus, Orthopaedics

Dr. Althaus is fabulous! He is extremely intelligent, knows his stuff, but still takes time to talk not only about my knee, but me in general. I can joke with him and he makes me feel very comfortable. The staff was friendly and really ...
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Dr. Aaron Althaus, Orthopaedics

Dr. Althaus is fabulous! He is extremely intelligent, knows his stuff, but still takes time to talk not only about my knee, but me in general. I can joke with him and he makes me feel very comfortable. The staff was friendly and really great. I highly recommend Dr. Althaus and CNOS® 金刚趣投游戏官网 as a whole. Thank you!
Dr. Aaron Althaus, Orthopaedics
Dr. Michelle Daffer, Dermatology

Dr. Michelle Daffer, Dermatology

Dr. Daffer was so kind and always takes her time with me. The staff is always so kind and helpful from the nurses to the front desk and check out. A++

Dr. Michelle Daffer, Dermatology

Dr. Daffer was so kind and always takes her time with me. The staff is always so kind and helpful from the nurses to the front desk and check out. A++
Dr. Michelle Daffer, Dermatology
Dr. Ryan Meis, Orthopaedics

Dr. Ryan Meis, Orthopaedics

Dr. Meis & staff were awesome! Answered my questions, listened to my concerns, spoke to me in terms I could understand & showed genuine concern in finding a course of action to relieve my pain. Have nothing but high praise...
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Dr. Ryan Meis, Orthopaedics

Dr. Meis & staff were awesome!  Answered my questions, listened to my concerns, spoke to me in terms I could understand & showed genuine concern in finding a course of action to relieve my pain.  Have nothing but high praise for my experience!
Dr. Ryan Meis, Orthopaedics
Dr. Tibor Warganich, Hand & Upper Extremity Care

Dr. Tibor Warganich, Hand & Upper Extremity Care

My experience with Dr. Warganich is one of the best medical experiences I've ever had. He took great care in repairing my hand in an injury. The surgery itself was absolutely perfect, and I don't know that I could have ...
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Dr. Tibor Warganich, Hand & Upper Extremity Care

My experience with Dr. Warganich is one of the best medical experiences I've ever had. He took great care in repairing my hand in an injury. The surgery itself was absolutely perfect, and I don't know that I could have gotten a better surgery anywhere in the world. His thoroughness to explain what he did anatomically really impressed me too, and I feel like I really have an understanding of what happened, what he did to repair, and how it healed. I was at a family event over the Thanksgiving and was explaining to my brother-in-law who is a doc what happened with my hand and how I'm healing and he was super impressed by the range of motion and success of healing. I said, "God was really looking out for me," and he said, "That may be, but your hand surgeon was REALLY looking out for you!" We sure are lucky to have Dr. Warganich here in Siouxland.
Dr. Tibor Warganich, Hand & Upper Extremity Care
Dr. Craig Nemechek, General Surgery

Dr. Craig Nemechek, General Surgery

Doctor Craig Nemechek was incredibly nice, explained everything and an excellent surgeon! I’m exceptionally happy with the whole experience even though it was a surgery & pleased with my care. Thank you to Dr. Nemechek and staff!!

Dr. Craig Nemechek, General Surgery

Doctor Craig Nemechek was incredibly nice, explained everything and an excellent surgeon! I’m exceptionally happy with the whole experience even though it was a surgery & pleased with my care. Thank you to Dr. Nemechek and staff!!
Dr. Craig Nemechek, General Surgery
Dr. Jeffrey Michalak, Gastroenterology

Dr. Jeffrey Michalak, Gastroenterology

Dr. Michalak is my hero! I have had him for years with my concerning stomach issues, colonoscopies, and EGD’s. In 2016 after scheduling an appointment, he discovered cancer and did a resection for a tumor that was present...
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Dr. Jeffrey Michalak, Gastroenterology

Dr. Michalak is my hero! I have had him for years with my concerning stomach issues, colonoscopies, and EGD’s. In 2016 after scheduling an appointment, he discovered cancer and did a resection for a tumor that was present. I am certainly alive today because of Dr. Michalak. No doubt he is the best, very caring, and has great humor! He is very busy, and in big demand, but definitely worth the wait! Thank you for everything!
Dr. Jeffrey Michalak, Gastroenterology