At Atreus Medical & Surgical Associates, we believe excellent patient care begins with compassionate communication, personalized attention and a commitment to helping patients understand their health. Founded to provide an alternative to corporate healthcare, Atreus Medical & Surgical Associates is proud to be independently owned and operated. We serve patients at our Seneca and Powdersville locations as well as the surrounding communities in the Upstate with advanced otolaryngology, pulmonology, speech therapy and hearing services delivered in a warm, welcoming environment.
Visit Our Locations
With offices conveniently located in Seneca and Powdersville, we are proud to make specialty care more accessible throughout the Upstate. Have questions? Need to request an appointment? Our friendly team is happy to help.
Serving Seneca, Powdersville & Locations Around The Upstate
Led by Dr. Dan Boxwell, our office was established to bring advanced ENT services and innovative treatment options closer to patients in our community. We are currently accepting new patients and look forward to welcoming you to our practice. If you live in Seneca, Powdersville, Oconee County, Lake Keowee, Cliffs, Keowee Key, Clemson and the surrounding communities in the Upstate, contact us to learn more about visiting us and experience patient-first, compassionate specialty medical care.
Our Services
We’re proud to offer ear, nose and throat, pulmonary, speech-language pathology and hearing services to the Upstate. Whether you’re struggling with breathing difficulties, chronic sinus symptoms, hearing concerns or sleep-related issues, our team is here to provide the personalized care you deserve. Our services include:
Frequently Asked Questions
Choosing a medical provider that you can trust often comes with questions. We understand! Below are answers to some of the most common questions we receive about our services, appointments and patient care. If you don’t see what you’re looking for, let us know. Our team is always happy to help.
Visit Our Blog To Learn More
We believe education empowers better health. Whether you’re seeking answers about symptoms or looking for tips to improve your health, our educational resources are designed to help you make informed decisions. Our blog provides information that empowers you to learn more about your health beyond your office visits.
REQUEST Your Appointment!
Better ENT, pulmonary, speech therapy and pulmonary care for better overall health starts today. We’re accepting new patients to our Seneca and Powdersville locations. To learn more about our locations and the care you can expect to receive, give us a call at (864) 800-0100 or complete our contact form. If you’re ready to make an appointment, you can do so using our online appointment request form. We look forward to meeting you!

Personalized ENT, Pulmonary, Speech Pathology & Hearing Care Close To Home
Let’s start your healing journey.
Whether you are dealing with persistent breathing concerns, chronic cough, sinus symptoms, allergies, hearing changes, sleep apnea, voice concerns or swallowing difficulties, the Atreus Medical & Surgical Associates team is here to help. Our independently-owned practice provides advanced, personalized specialty medical care in Seneca and Powdersville, SC, with treatment plans built around your symptoms, health goals and everyday comfort. Request an appointment today for clearer answers and lasting relief.



