Nancy Lum, Clinical Dietitian with the Saint Agnes Bariatric Surgery Program, discusses the importance of working with a dietitian who specializes in bariatric surgery food planning. She also addresses patients greatest fears concerning food intake leading up to and after weight loss surgery.

Meet Our Dietitians:

Nancy Lum, RD, LDN, Owner, Founder


Welcome to the GI & Bariatric Nutrition Center, LLC (GIBNC).  Nancy Lum, RD, LDN has been practicing since 2001 and has been involved in multiple medical disciplines with a concentration in GI and Bariatric Nutrition since 2002. She graduated from the University of Maryland in 2001 with a Bachelor's Degree in Nutritional Sciences.  She developed the Bariatric Nutrition program at Sinai Hospital in Baltimore, MD in 2004 and left in 2010 to go into private practice.  She then developed and now runs the Bariatric Nutrition program at St. Agnes Hospital in Baltimore MD.  She has been published in The Bariatric times in 2010 and 2011.  Nancy is currently seeing patients bariatric patients and patients with multiple GI diagnoses, diabetic, cardiac, renal, sports/athletic nutrition, eating disorders and general weight loss clients, as well as overall health improvement.  Nancy is also co-founder of STRIVE Motivational Group Therapy – est. 2012; which focuses on nutrition, lifestyle and behavior modification to get to the root cause of eating habits.



Certified by the; Board of Dietetic Practice of the State of Maryland

Member of the; American Society of Metabolic and Bariatric Surgery

Member of the; American Dietetic Association


University of Maryland Medical System Hospital, Baltimore, MD (Internship 2002)

University Of Maryland, College Park, MD (BS 2001)

Montgomery College, Germantown, MD (AA 1998)

* St Agnes Hospital is a recognized AEtna Center of Excellence


Annie Deremeik, RD, LDN

Pediatric Dietitian

See our ANRP division for non-bariatric services.  

Annie has been practicing clinical nutrition since 2004 and specializes in pediatrics. She enjoys working with children and their families to find sensible healthy lifestyle habits centered around flexibility and moderation. She is comfortable working with children of all ages and has experience with infant feeding, GI disorders and weight management.

Annie grew up here in Baltimore County.  She obtained her Bachelor’s of Science Degree in Nutrition from the University of Delaware.  She completed her training to become a Registered Dietitian through Winthrop University’s Internship Program.  She currently works at Sinai Hospital of Baltimore on the NICU and Maternal floors and cross covers inpatient and outpatient pediatrics.  Prior to her work at Sinai, Annie worked in the NIC and Pediatric Units at GBMC and Mercy Hospital. She also has spent time with the Y of Central Maryland creating and implementing a nutrition education curriculum for the grant-funded afterschool program FitNFun.

Annie also provided consultant dietitian services for Pacify.  


In her free time, Annie enjoys spending time outdoors, being active and cooking with her 3 children and husband. 


Member of the Academy of Nutrition and Dietetics
Holds Certificate in Adult Weight Management from the Commission on Dietetic Registration


Winthrop University Dietetic Internship, South Carolina (2004)
University of Delaware B. S. in Nutritonal Sciences (2003)

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