Your Atreus Medical & Surgical Associates Care Team
Advanced ENT, Pulmonary, Speech Pathology & Hearing Services, United Under One Roof
At Atreus Medical & Surgical Associates, our experienced team is dedicated to delivering compassionate, patient-centered ENT, pulmonary, speech pathology and hearing care. With decades of combined experience, Dr. Daniel Boxwell, Dr. Antine Stenbit and Andrea Storie, SLP, work together to help patients receive high-quality otolaryngology, pulmonology, speech-language pathology and audiology care when they need it most.

Dr. Daniel Boxwell
Dr. Daniel Boxwell is a board certified ENT specialist with 20+ years of experience and Founder of Atreus Medical & Surgical Associates. He provides comprehensive ENT care for a wide range of ear, nose and throat conditions and performs advanced in-office sinus procedures to improve patient health and quality of life.

Dr. Antine Stenbit
Dr. Antine Stenbit is a pulmonologist with experience in critical care and research. She treats conditions including COPD, asthma, pulmonary fibrosis, pulmonary hypertension, chronic cough and shortness of breath, and she performs pulmonary function and exercise stress testing.

Dr. Hannah K. DeFord
Dr. Hannah K. DeFord is a Doctor of Audiology with special interests in geriatric hearing care, tinnitus management, communication strategies and hearing aids. She works with patients on specialized treatment plans to reach their personalized hearing goals and support them throughout their hearing journey.

Andrea Storie, SLP
Andrea Storie is a speech-language pathologist with over 34 years of experience, specializing in voice, airway, and swallowing care. She brings extensive expertise in speech pathology and is deeply committed to patient education and empowering individuals to understand their conditions.
Why Choose Atreus Medical & Surgical Associates?
The only practice in Seneca and Powdersville bringing ENT, pulmonary, speech pathology and hearing specialists under one roof
At Atreus Medical & Surgical Associates, we strive for Advanced Treatment, Education & Uncompromising Service. We provide cutting-edge ENT, pulmonary, speech pathology, hearing care and more to Seneca and Powdersville, South Carolina.
Independent Practice
We are proud to be an independently-owned and operated practice, which means weโre invested in the health of our community. Our team is here to build lasting relationships, provide compassionate, individualized care, and make every decision with your best interests at heart.
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Advanced In-Office Sinus Procedures & CT Scans
Our advanced in-office ENT procedures, including balloon sinuplasty, provide effective treatment for chronic sinus problems, nasal obstruction, and chronic rhinitis without the need for a hospital visit. These minimally invasive procedures can reduce costs, shorten recovery time, and help you get back to your normal routine sooner.
Hearing Center
Our dedicated hearing center provides comprehensive hearing evaluations, advanced hearing aid technology, tinnitus management, and custom hearing protection, all tailored to your unique hearing needs.
Comprehensive Care
From ear, nose and throat care to pulmonary medicine, speech pathology, chronic conditions management, hearing services, allergy treatment, obstructive sleep apnea evaluation and treatment and in-office-sinus-procedures, Atreus brings specialized care together in one convenient location. Our collaborative approach means your providers work together to deliver more coordinated, efficient care.
Compassionate Atmosphere
Whether you visit our Seneca or Powdersville office, we foster a warm, compassionate and caring environment with an emphasis on patient education.
Long-Lasting Relief From Chronic Sinusitis
Discover the Benefits of Minimally Invasive Balloon Sinuplasty
If medications are only providing temporary relief from frustrating and uncomfortable chronic sinus issues, Atreus Medical & Surgical Associates is here to help you find a long-lasting solution. We perform balloon sinuplasty, an advanced, minimally invasive in-office procedure that gently opens blocked sinus passages using a small balloon catheter. Our dedicated ENT specialists provide personalized care to determine if this highly effective treatment is right for you, helping you clear the congestion and enjoy a better quality of life.
Comprehensive ENT, Pulmonary, Speech Pathology & Hearing Care
Advanced Treatment and Personalized Care in Seneca & Powdersville, SC
At Atreus Medical & Surgical Associates, we provide an independent, patient-centered alternative to corporate healthcare. Our expert team is proud to offer a full range of comprehensive services, specializing in ENT, pulmonary, speech pathology and hearing care. Whether you are dealing with chronic sinus issues, breathing difficulties, or communication and swallowing challenges, we deliver the advanced treatment, education, and uncompromising service you need to achieve a better quality of life.
Comprehensive ENT, Pulmonary, Speech Pathology & Hearing Care
Advanced Treatment and Personalized Care in Seneca & Powdersville, SC
At Atreus Medical & Surgical Associates, we provide an independent, patient-centered alternative to corporate healthcare. Our expert team is proud to offer a full range of comprehensive services, specializing in ENT, pulmonary, speech pathology and hearing care. Whether you are dealing with chronic sinus issues, breathing difficulties, or communication and swallowing challenges, we deliver the advanced treatment, education, and uncompromising service you need to achieve a better quality of life.


Local Care You Can Count On
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Our physicians and care team are dedicated to providing exceptional ENT, pulmonary, speech pathology and hearing care for patients throughout Upstate South Carolina.
















