CNOS, PC

CNOS, PC CNOS provides medical treatment and preventative services for a wide variety of healthcare needs.
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CNOS provides medical treatments and preventative services for your bones, joints, muscles, nerves and brain. Whether you need diagnostic screenings, physical therapy, or surgical treatments for a major health condition, our expert team offers personalized care at your local CNOS clinic.

06/01/2026

🌟 Making a difference for our patients 🌟
This testimonial, “Making a Difference”, features Mike Schmidt, a patient of Orthopaedic Surgeon, Dr. Aaron Althaus!

Mike is retired, but attends hundreds of events a year as a Siouxland Chamber of Commerce Ambassador, until pain stopped him in his tracks. He had hip replacement surgery at CNOS with Dr. Althaus, that got him back on his feet the same day. Today, he continues to make his rounds as a Chamber Ambassador - and make his rounds on the golf course too!

CNOS- where keeping you on your feet makes all the difference.

👨‍⚕️ Physician & Team Spotlight Friday👨‍⚕️👨‍⚕️Meet Dr. Douglas Martin, a board-certified Family Medicine Physician speci...
05/29/2026

👨‍⚕️ Physician & Team Spotlight Friday👨‍⚕️👨‍⚕️
Meet Dr. Douglas Martin, a board-certified Family Medicine Physician specializing in Occupational and Environmental Medicine. His expertise includes work comp related injuries, aviation, commercial driver, immigration, and post-job offer examinations, surveillance and hearing evaluations, fitness for duty determinations, IMEs, and independent file reviews.

The Occupational Medicine team at CNOS provides clinical and operational leadership to businesses in Siouxland and the surrounding communities. CNOS specializes in business health and worker’s compensation claims with programs, clinics and medical services to improve the health and wellness of employees and companies alike.

📍 Team's Clinic Location: CNOS Dakota Dunes and Northside Clinics
📞 Schedule your appointment: 605-217-2646
🔗 Learn more about the team: https://www.cnos.net/providers/doctors/douglas-martin/

‼️🔆DON'T FORGET: May is Skin Cancer Awareness Month — a reminder that early detection can save lives. ☀️Our expert derma...
05/28/2026

‼️🔆DON'T FORGET: May is Skin Cancer Awareness Month — a reminder that early detection can save lives. ☀️

Our expert dermatology teams are here to help you protect the skin you’re in through prevention, screenings, education, and treatment. From routine skin checks to evaluating new or changing spots, our 2 Physicians, 2 Physician Assistants, and 5 Nurse Practitioners are committed to helping Siouxland and our surrounding communities stay healthy and informed.

Wear sunscreen daily, seek shade, know your skin, and don’t skip your annual skin exam. A simple ✅could make all the difference. 💙

💡Learn more about our Dermatology services here: https://www.cnos.net/specialties/dermatology/

Please join us in celebrating 25 years of patient centered care and compassion from our incredible Registered Nurse, Ann...
05/27/2026

Please join us in celebrating 25 years of patient centered care and compassion from our incredible Registered Nurse, Annette Alfredson! 💙 For the past 25 years, Annette has made a lasting impact on patients, coworkers, and our community through her kindness, expertise, and commitment to CNOS and to Siouxland. Thank you for always sharing a smile and a laugh with your patients and your colleagues- it doesn't go unnoticed! 😀

⚠️🔵 ALERT: FOR SIOUX POINT CLINIC ONLY 🔵⚠️CNOS Sioux Point clinic location ONLY will be closing at 1:30pm today due to a...
05/26/2026

⚠️🔵 ALERT: FOR SIOUX POINT CLINIC ONLY 🔵⚠️

CNOS Sioux Point clinic location ONLY will be closing at 1:30pm today due to an AC outage and uncomfortable clinic temps.
Thank you for understanding, as we always strive for comfortable care for our patients and safety of our employees.

Patients who have visited CNOS Orthopaedic Surgeons Dr. Althaus and Dr. Carreau, highly recommend their care! 👌 They pro...
05/26/2026

Patients who have visited CNOS Orthopaedic Surgeons Dr. Althaus and Dr. Carreau, highly recommend their care! 👌 They provide the care to help people continue their careers, passions, and daily activities and ultimately help to improve quality of life. Sometimes making the drive to visit quality surgeons makes all the difference!
⭐⭐⭐⭐⭐

Learn more about Dr. Althaus here ⬇
🔗https://www.cnos.net/providers/doctors/aaron-althaus/
Learn more about Dr. Carreau here ⬇
🔗https://www.cnos.net/providers/doctors/joseph-carreau/

🔴⬜💙HAPPY MEMORIAL DAY🔴⬜💙All clinics will be closed today as we honor and remember the brave men and women who gave their...
05/25/2026

🔴⬜💙HAPPY MEMORIAL DAY🔴⬜💙

All clinics will be closed today as we honor and remember the brave men and women who gave their lives in service to our country. Their sacrifice will never be forgotten!
Everyone enjoy and be safe on this day of remembrance.

🌟 SAVE THE DATE🌟We are excited to announce the date and speaker details for the upcoming Occupational Medicine Symposium...
05/19/2026

🌟 SAVE THE DATE🌟

We are excited to announce the date and speaker details for the upcoming Occupational Medicine Symposium!
🔹 Occupational Medicine Symposium – Friday, September 11th (Early bird tickets are currently on sale!) https://www.cnos.net/cnos-orthopaedic-symposium/

This symposium will take place from 8am-4pm at the Holiday Inn Express & Suites Sioux City North - Event Center! We are looking forward to another fantastic event! Stay tuned for additional updates!

⚽🏀BACK BY POPULAR DEMAND!! 🏐🩰Siouxland's FREE Sports Camp brought to you by CNOS, Siouxland Sports Academy, and The Mira...
05/15/2026

⚽🏀BACK BY POPULAR DEMAND!! 🏐🩰

Siouxland's FREE Sports Camp brought to you by CNOS, Siouxland Sports Academy, and The Miracle League of Sioux City will be taking over THREE sports facilities on Thursday, July 16th!

Stay tuned for links to register- basketball, dance, volleyball, soccer, and a Miracle League division will be offered again for K-6th graders of any ability.

Enjoy our throwbacks to last year's SOLD OUT camp!

Address

575 Sioux Point Road
Dakota Dunes, SD
57049

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm

Telephone

+16052172667

Website

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