Meet the Team

Obesity is a complicated disease and its effective treatment must be implemented through a multidisciplinary coordinated team approach. Our team of experts is committed to helping patients achieve a healthier weight. We are available around the clock to offer comprehensive support to better manage your weight loss goals.

Our Providers

Troy Glembot, MD, MBA, CPE, FACS, FASMBS
Medical Director

Dr. Glembot is the Medical Director of the Winchester Medical Center Bariatric Program. A native of Warrenton, VA, he attended Eastern Virginia Medical School in Norfolk, VA where he received his medical degree and completed his general surgery residency and research fellowship. Bariatric surgery is Dr. Glembot’s passion. "It is very satisfying to see the improvements in a person’s health that occurs after this life saving procedure." Dr. Glembot has completed specialized training in the placement of the Adjustable Gastric Banding System and the Laparoscopic Sleeve Gastrectomy. Dr. Glembot received training during his surgical residency to perform the gastric bypass. As Medical Director, Dr. Glembot is responsible for overseeing the entire program and ensuring that all components are well integrated to make bariatric surgery as safe as possible for all patients. He has written or coauthored 8 journal articles as well as a book chapter. He lives in Winchester and enjoys outdoor activities, exercise and motorcycling.

Rodolfo Oviedo, MD, FACS, FASMBS
Bariatric Surgeon

Dr. Oviedo is a board-certified, fellowship trained metabolic & bariatric surgeon. After graduating from residency, Dr. Oviedo became an attending surgeon and Assistant Professor of Surgery at Florida State University College of Medicine for 4 years in Tallahassee, FL, at Capital Regional Medical Center. In Tallahassee, Dr. Oviedo developed a successful and busy robotic general surgery program capable of performing highly advanced general, oncologic, and metabolic operations, including the first robotic Roux en Y gastric bypass and the first robotic sleeve gastrectomy in the history of that city. After performing over 200 successful robotic general and bariatric surgeries, Dr. Oviedo became an Advanced Minimally Invasive Gastrointestinal and Bariatric Surgery fellow at Baptist Health South Florida in Miami.

Annamuthu (Anna) Krishna, MD
Endocrinologist

Dr. Krishna is a fellowship-trained and board-certified endocrinologist with Valley Health Metabolic and Bariatric Program. Skilled in understanding disorders of the endocrine system, Dr. Krishna diagnoses and treats conditions such as diabetes, metabolic disorders, thyroid disorders, as well as problems associated with the pituitary gland. As an endocrinologist, Dr. Krishna is an internal medicine specialist who evaluates the endocrine system and hormones that are synthesized and secreted by the endocrine glands. Her evaluations are derived from a variety of means, including tests and patient discussions. Dr. Krishna provides individualized care to all patients seeking endocrinology consultation and treatment.

Patrick Northcraft FNP-BC, CBN
Nurse Practitioner

Patrick is a Nurse Practitioner with the Winchester Medical Center Bariatric Program. He first worked for Valley Health from 1994-2002 as a critical care nurse while working towards completing the Nurse Practitioner program at Shenandoah University. After graduating in 2002, Rick worked with a local neurosurgical practice before joining the Bariatric Program in 2009. As a Nurse Practitioner in the program, Rick works primarily with Bariatric patients after surgery, following them closely during their active weight loss process. He also works patients in the medical weight loss program assisting them in meeting their weight loss goals through diet and exercise or medication therapy. Rick has achieved the certification as a Certified Bariatric Nurse(CBN) through the ASMBS. He is also Adjunct Faculty at Shenandoah’s University School of Nursing.

Amanda Gray, NP

Nurse Practitioner

Amanda is a Nurse Practitioner with the Valley Health Metabolic & Bariatric Program. She started her career as a nurse with Winchester Medical Center in 2007-2013 as a Registered Nurse on various units within the hospital, including bariatrics. She graduated from Shenandoah University after completing the Nurse Practitioner program in 2013. She has experience as a Nurse Practitioner in orthopedics where she worked for 5 years and in urgent care for 2 years. Her primary focus with our program will be preoperative and postoperative care of our surgical patients, and assisting in the medical weight loss program. She looks forward to assisting patients through their weight loss journey with the Program.

Jennifer Adsit, RD
Program Dietitian

Jennifer is a Registered Dietitian who graduated from Radford University with a BS in Nutrition and Dietetics. She completed her dietetic internship at Virginia State University. Prior to joining the Bariatric Program in 2015, Jennifer worked as a Clinical Dietitian at Sentara Norfolk General Hospital and also worked near Washington DC at a medical quality supplement company where she counseled bariatric patients to meet their nutrition goals. Jennifer has obtained the Level 1 Certificate of Training in Adult Weight Management. She is a member of the Weight Management Dietetic Practice Group and the Diabetes Care and Education Dietetic Practice Group with the Academy of Nutrition and Dietetics.

Kelleigh O’Toole
Program Dietitian

Kelleigh is a Registered Dietitian who graduated from Virginia Tech with a BS in Human Nutrition, Foods, and Exercise, and a minor in Psychology. She completed her dietetic internship with the Keith and Associates Distance Dietetic Internship program, and completed her clinical rotation with the Winchester Medical Center Nutrition Therapy Office, where she continued to work as an in-patient dietitian prior to joining the Bariatric Program. Kelleigh’s professional interests include working with clients on weight management, goal setting and habit change, medical nutrition therapy, and nutrition education. She is a member of the Weight Management Dietetic Practice Group and the Vegetarian Nutrition Dietetic Practice Group with the Academy of Nutrition and Dietetics.

Allison Rich
Program Dietitian

Allison is a Registered Dietitian. Allison received her Didactic Program in Dietetics from Montclair State University and her B.S. at Mount St. Mary’s University. She completed the Sodexo Washington DC/Baltimore Dietetic Internship with a concentration in medical nutrition therapy. Prior to joining the Bariatric Program in 2019, Allison worked as a Clinical Dietitian and Diabetes Educator at Western Maryland Health System and a Diabetes Educator at UPMC Somerset. She is a member of the Weight Management Dietetic Practice Group with the Academy of Nutrition and Dietetics and American Association of Diabetes Educators.