Our Staff

All professionals at Associates In Gastroenterology, P.A. maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in the medical field. Read on to learn more about our staff's experience and training.


Siva K. Chockalingam M.D.

Dr. Chockalingam earned his medical degree from Madras Medical College in India. He completed a residency in Internal Medicine at UMDNJ- University Hospital in Newark, N.J. and a fellowship in Gastroenterology at University of South Carolina-Richland Memorial Hospital in Columbia, South Carolina.

Board Eligible in Internal Medicine and Gastroenterology, Dr. Chockalingam's clinical interests include hepatology, pancreatic biliary, Irritable Bowel Syndrome, colon polyps, colon cancer, ERCP (endoscopic retrograde cholangiopancreatography), colonoscopy and optical endoscopic imaging. He treats patients 18 years and older and speaks fluent Tamil.

Dr. Chockalingam also served as Former Chief of Gastroenterology and a Former Acting Chief of Hepatology at Dorn Veterans Medical Center in Columbia, SC from 2000 to 2002. He also held the position of Assistant Professor in Digestive Disease and Nutrition at USC School of Medicine in Columbia.

Dr. Chockalingam's style of practice and philosophy centers on providing personalized care tailored to each patient's specific clinical problem. He takes time to explain the details of a procedure, allowing each patient to make an informed decision about care and to know, well in advance, what to expect. It is important to him for patients to have both timely access to necessary procedures and care coordinated in a multidisciplinary approach.

He employs the latest technology to diagnose and treat certain types of gastrointestinal cancers and performs procedures endoscopically. In his leisure time, he enjoys traveling, watching sports, spending time with his family and friends.

Karla, Practice Administrator

Karla joined the organization in April 2004. Aside from ensuring the smooth day-to-day operations of the facility, Karla's goal is to deliver efficient and effective service to all patients, staff and physicians in all aspects of care within Associates In Gastroenterology, P.A., Berkeley Endoscopy Center, L.L.C. and Ether, L.L.C. In her personal time Karla enjoys spending time with family, and friends, being a Triathlete, helping Animal Rescue Groups and can't turn down a good recipe to make!

Brittany, Front Desk Coordinator

Brittany joined Associates In Gastroenterology, P.A. in March 2013, and has worked in G.I. for over 6 years. She is born and raised in South Carolina. In her spare time, she enjoys spending time with her family and friends, taking beach vacations and listening to music. 

Billy, Financial Coordinator 

Billy joined Associates in Gastroenterology, P.A. in February 2004. He is a graduate of the University of South Carolina where he holds a Bachelor of Science degree in Criminal Justice. In his spare time, he spends time with family and friends, and enjoys fishing and coaching youth league sports.

Kimberly, Certified Medical Assistant

Kimberly joined Associates in Gastroenterology, P.A. in February 2015. She is from North Carolina, and holds an Associates in Applied Science degree in Medical Assisting. In her spare time, she enjoys baking and spending time with her family and friends

Lauren, Medical Assistant

Lauren joined Associates in Gastroenterology, P.A. originally in 2007, and return back to us in 2016. She is born and raised in South Carolina. Lauren holds a vast amount of knowledge and experience as a medical assistant in many healthcare specialties such as ENT, Pain Management and Primary Care. In her spare time, she enjoys spending time with her family and friends.