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Weight Loss Center




Weight Loss Surgery - About Our Team

Carilyn Maxwell, Buzz Duncan, and Jodie Hofacre, part of the Sibley Weight Loss Surgery teamOur team includes bariatric surgeons, a bariatric surgery clinical coordinator, nutritionists experienced in weight loss nutrition, expert physical trainers, psychologists who understand the challenges of long-term weight loss, a scheduler and an insurance specialist with extensive experience helping patients get insurance compensation for obesity or weight loss surgery. Read on to learn more about them:



Brian M. Long, MD, FACS, FASMBS, Director of Bariatric Surgery

Dr. Brian Long is the Medical Director of the Sibley Center for Weight Loss Surgery where he specializes in laparoscopic bariatric surgery, performing adjustable gastric banding, gastric bypass, and sleeve gastrectomy.  He is also a surgeon with Foxhall Surgical Associates, PC, where he practices general surgery and advanced laparoscopic surgery.  Dr. Long served as Chief of Bariatric and Minimally Invasive Surgery at Walter Reed Army Medical Center from 2004-2006.  He is a 1997 graduate of the Medical College of Georgia and a member of the Alpha Omega Alpha National Medical Honor Society.  Dr. Long received his General Surgery Residency training at the University of Texas Southwestern Medical Center/Parkland Memorial Hospital in Dallas, Texas, and he received his undergraduate degree in Biomedical Engineering from Duke University. He was recently designated a Fellow of the American Society for Metabolic and Bariatrics Surgery.

Brian Wallace, MSN, FNP-BC, Bariatric Program Director

Brian Wallace is a board-certified Family Nurse Practitioner with many years experience in the field of bariatric surgery.  Mr. Wallace manages the weight loss surgery program at Sibley and coordinates both outpatient and inpatient care.  He provides pre-operative screening and education to help patients understand the biological and lifestyle changes that come with bariatric surgery.  He offers post-operative and long-term support by monitoring patient progress and providing ongoing education and encouragement to help patients maximize their long-term success.  He earned both his Bachelor’s degree and his Master’s degree as a Nurse Practitioner from George Mason University.

Jodie Hofacre, RD, LD, Bariatric Dietitian

Jodie Hofacre is our bariatric dietitian.  She evaluates each patient’s individual dietary habits and nutritional needs.  Ms. Hofacre offers weight loss nutrition education to help each patient develop healthy eating habits and understand the post weight loss surgery dietary restrictions.  Post-operatively, she explains step-by-step meal progression and the special needs that may arise after weight management surgery.  Ms. Hofacre also provides weight loss patient education on vitamin supplements and protein intake to prevent malnutrition, as well as continual monitoring of nutrition status with ongoing weight loss. Ms. Hofacre is a graduate of the University of Kentucky with a BS in Dietetics.  She completed her dietetic internship at Vanderbilt Medical Center.  She has extensive experience with weight loss nutrition.

Carilyn Maxwell, Bariatric Scheduling Coordinator

Carilyn Maxwell oversees the front desk at the Sibley Center for Weight Loss Surgery and handles patient correspondence and appointment scheduling.  She assists in coordinating the surgical calendar for our practice and she facilitates the multidisciplinary work-ups of our bariatric patients.  Prior to joining our team, she was the office manager for the Bert M. Glaser National Retina Institute.  Ms. Maxwell has also been a supervisor with Blue Cross Blue Shield and has extensive experience in training and development related to claims processing.  She brings her extensive experience to helping weight loss surgery patients with insurance compensation.  She is a graduate of Central State University with a Bachelor’s degree in English.

Buzz Duncan, Personal Trainer for Obesity Surgery Patients

Buzz Duncan works closely with patients through their entire weight loss experience, offering skilled advice, support and motivation along the way.  He provides pre-operative education to reinforce the importance of exercise as a key component of long-term weight maintenance after weight loss surgery.  He develops a flexible, sustainable, personalized exercise routine to meet each weight loss surgery patient’s individual preferences, habits and restrictions. He continues to fine-tune exercise regimens over time in a way that reflects each patient’s personal progress and aligns with the patient’s long-term weight loss goals.

Richard L. Ogden, PhD, Psychologist

Dr. Ogden is a clinical psychologist who has a private practice in Bethesda, MD.  His practice consists of individual and couples psychotherapy with adolescents and adults.  Dr. Ogden is on the medical staff of Sibley Memorial Hospital where he works on the inpatient unit as well as in the Weight-Loss Center.  In addition, he is a psychological consultant to a Federal agency and is Assistant Clinical Professor of Clinical Psychology at The George Washington University.  Dr. Ogden supervises doctoral level students at GWU as well as mental health professionals at a postdoctoral training program in D.C.

Sharon C. Cooper, PhD, Psychologist

Dr. Cooper is a licensed psychologist and a personal and professional coach.  Her previous careers included ten years of high school teaching and five years of family research.  For the past 12 years, she has been in private practice and has expanded her services to include coaching.  Dr. Cooper feels that coaching combines the best of all her previous learnings in teaching, research, and counseling.  She looks forward to working with you.

Are you interested in attending an upcoming free weight loss surgery seminar? Click here to view the schedule or call (202) 370-6565 for more information.

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