Steward Centers for Weight ControlWeight Loss CentersOur Weight Loss CentersHoly Family Hospital

Our Team

The multidisciplinary team at Holy Family Hospital works closely with each other and with patients, educating and helping them decide which weight loss option is best for them. Our team includes a highly respected surgeon, experienced nurse coordinators, nutritionists, physical therapists, psychiatrists and psychologists. We are all deeply committed to making your experience at the Center for Weight Control as successful as possible.

Dr. Nicole Pecquex, M.D

Nicole Pecquex, MD

Nicole Pecquex, MD, is a board-certified surgeon and the director of bariatric surgery at St. Elizabeth's Medical Center. She has completed an advanced laparoscopic fellowship training and has performed more than 500 gastric bypass and LAP-BAND® procedures combined. Pecquex has been a member of St. Elizabeth's surgical staff since 2004.





Lyssa Petter, MS, RD, LDN, Dietician

Lyssa Petter earned an MS in nutrition from New York University and a BS in nutrition from the University of Massachusetts, Amherst.  Petter has many years of experience in providing individualized nutrition counseling, developing nutrition care plans and providing medical nutrition therapy to a diverse patient group.  





Marcelo Castro, RN, BSNMarcelo Castro, RN, BSN, RRT-NPS, MBA, Outpatient Services Nursing Manager

Marcelo Castro provides nursing leadership to Holy Family Hospital's outpatient clinical services, including the Center for Weight Control.  Castro joined Holy Family Hospital in October 2007 as the manager of respiratory care and the pulmonary function lab.  His previous nursing experience includes critical care and telemetry nursing at Merrimack Valley Hospital, Haverhill and Parkland Hospital in Derry, N.H.  He is ACLS certified and holds the neonatal-pediatric specialty in respiratory care.

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