About HHGI

Compassionate Care, Expert Knowledge: Meet the Team Behind Hilton Head Gastroenterology

At Hilton Head Gastroenterology, we understand how important your health is, not just today but for the years ahead. Our team of specialists is committed to providing personalized, compassionate care that fits your needs, whether you’re managing a long-term digestive condition or seeking preventive care. We’re proud to be your partner in health.

A Dedicated Gastroenterology Practice in the Heart of Hilton Head

For over 30 years, Hilton Head Gastroenterology has been serving the local community, providing expert digestive care for patients seeking answers and long-term solutions. 

Our practice combines years of specialized experience with cutting-edge diagnostic technology to ensure our patients receive the best possible care. We take a patient-first approach, designing personalized treatment plans to help you maintain optimal digestive health, no matter where you are in your journey.

Our team is not just dedicated to treating symptoms, but to finding solutions that improve your overall quality of life.


Our Mission: Improving Lives Through Compassionate Gastroenterology Care

Our mission is simple: to enhance the health and well-being of every patient we treat. We believe that true care goes beyond addressing symptoms. It involves getting to the root of digestive health issues, empowering our patients with the knowledge and treatment they need to feel better. Our approach to care is compassionate and thorough, ensuring that each person we see feels heard, understood, and confident in their path to better health.

Why Choose Hilton Head Gastroenterology?

Choosing the right gastroenterologist is about more than finding someone to treat your symptoms. It’s about finding a practice that listens to your concerns, takes the time to understand your health needs, and creates a long-term plan that fits your lifestyle.

At Hilton Head Gastroenterology, we stand out because of our commitment to patient-centered care and our comprehensive expertise. We specialize in a wide range of gastroenterology services, from routine screenings to complex diagnostic procedures. We offer care in three locations in the Hilton Head Community:

Hilton Head Gastroenterology Main Office Exterior View

Hilton Head Office

35 Bill Fries Drive,  Building F

Hilton Head Island, SC 29926

Hilton Head Gastroenterology's New River Office - Exterior view.

New River Office

300 New River Parkway,  Building 6 Suite 11

Hardeeville, SC 29927

Hilton Head Gastroenterology performs procedures at the Outpatient Surgery Center in Hilton Head. This is an exterior view of that facility

OutPatient Surgery Center

190 Pembroke Drive

Hilton Head Island, SC 29926

Hilton Head Hospital - Exterior View of where we perform some procedures

Hilton Head Hospital

25 Hospital Center Blvd

Hilton Head Island, SC 29926

Our focus on long-term health and prevention sets us apart, as we work closely with our patients to create personalized care plans that help them achieve their health goals.

Meet the Experts Behind Hilton Head Gastroenterology

At the heart of Hilton Head Gastroenterology is Dr. Michael Gilbreath, a board-certified gastroenterologist with decades of experience.

Dr. Michael Gilbreath looking confidently into the camera
DR. MICHAEL GILBREATH

Dr. Michael Gilbreath is a board-certified specialist in Internal Medicine and Gastroenterology with extensive training and experience. He earned his medical degree from the University of Illinois College of Medicine at Chicago before completing his internship and residency at Barnes Hospital in St. Louis, Missouri. Further refining his expertise, he pursued a fellowship at Washington University School of Medicine in St. Louis. With a deep commitment to patient care and advancing gastroenterological health, Dr. Gilbreath combines clinical excellence with a patient-focused approach to diagnosing and treating digestive disorders.

DR. KENNETH MIRKIN

Dr. Kenneth Mirkin is a board-certified gastroenterologist with extensive training in both Internal Medicine and Gastroenterology. He earned his medical degree from Wayne State University before completing his internship, residency, and fellowship at the University of Connecticut. Dr. Mirkin brings a thoughtful, evidence-based approach to patient care and is committed to helping individuals manage and improve their digestive health with clarity and confidence.

Christy Nelson, APRN standing in front of white office wall.
CHRISTY NELSON, APRN

Christy P. Nelson is a board-certified Advanced Practice Registered Nurse with a strong commitment to delivering thoughtful, individualized care. She completed her undergraduate studies at Georgia Southern University and earned her Nurse Practitioner degree from South University, both in Savannah, GA. Christy brings a calm, reassuring presence to every patient interaction and believes in educating patients to help them make informed decisions about their digestive health. She’s proud to serve the Hilton Head community and is passionate about providing high-quality care with compassion and clarity.

JULIE SIM, AGNP

Julie Sim is a board-certified Adult-Gerontology Nurse Practitioner who brings compassionate, patient-centered care to the team at Hilton Head Gastroenterology. She earned her nursing degree from South University in Savannah, GA, and went on to complete her Nurse Practitioner training at Jacksonville University in Jacksonville, FL. Julie is committed to helping patients feel heard, informed, and supported throughout their care. With a focus on both prevention and long-term management, she enjoys building lasting relationships with patients as they work toward better digestive health together.

Julie Sim, AGNP standing outside our Hilton Head Office.

Our team also includes highly skilled physician assistants, nurses, and support staff who are dedicated to making your experience as comfortable and informed as possible. From your first appointment to follow-up care, you’ll find a team of professionals who genuinely care about your well-being.

Deeply Connected to the Hilton Head Community

As a practice deeply rooted in Hilton Head, we are not only dedicated to improving the health of our patients, but also to contributing to the overall wellness of our community. We actively participate in local health initiatives and wellness events, helping to educate and support our neighbors in their journey to better health. It’s our privilege to serve Hilton Head, and we take great pride in giving back to the community that has supported us for so many years.

Our Patient's Stories: Real Results from Real People

Ready to Experience Compassionate Gastroenterology Care?

Whether you’re new to Hilton Head or have been a part of the community for years, we’d love to welcome you to Hilton Head Gastroenterology. Our expert team is ready to provide you with the personalized care you need to feel your best and enjoy life to the fullest.