Valley's Center for Bariatric Surgery and Weight-Loss Management provides a team approach to bariatric surgery, offering personalized surgical options and a full spectrum of medical and support services to help patients improve their health.

Clinical Team

Amy Hall, APNAmy Hall, ACNP-BC, Nurse Practitioner

Amy is a board-certified adult gerontology and acute-care nurse practitioner at the Center for Bariatric Surgery and Weight-Loss Management. Amy holds a bachelor's degree in kinesiology from Cal Poly San Luis Obispo, a bachelor's degree in nursing, and a master's degree in nursing from New York University. Before joining the Center for Bariatric Surgery and Weight-Loss Management, Amy spent six years at NYU Langone Medical Center as a registered nurse in the recovery room and later as a surgical nurse practitioner. Since joining Valley Medical Group in 2015, Amy has been an integral part in developing the Center for Bariatric Surgery and Weight-Loss Management's medical weight management and bariatric exercise physiology programs.

Meredith UrbanMeredith Urban, MS, RD, CDN, Registered Dietitian

Meredith received a master's degree in clinical nutrition from New York University. She has worked with bariatric patients since 2001 and has written numerous text chapters and journal articles on nutrition and dietary guidelines for the bariatric patient. Meredith has been a guest speaker at The American Society for Metabolic and Bariatric Surgery, ASMBS, and The International Federation for the Surgery of Obesity and Metabolic Disorders. Before joining The Valley Hospital in 2009, Meredith worked as a bariatric nutritionist at Columbia University Medical Center, New York University Medical Center, and Mount Sinai Medical Center.

Jaclyn Studer, MSN, RN-BCJaclyn Studer MSN, RN-BC, RN, Patient Coordinator

Jackie is a board-certified registered nurse and joined Valley Medical Group in 2019. She holds a bachelor’s degree in nursing from Ramapo College of NJ and a master’s degree in nursing from Rutgers University. Prior to joining Valley, Jackie worked for eight years as a staff nurse at Hackensack University Medical Center, including four years caring specifically for bariatric surgery patients. 

Office Staff

Karen MikalouskasKaren Mikalouskas, Practice Manager

With more than 20 years of experience in the health and wellness industry, Karen brings a great deal of knowledge to her role as the Practice Manager for the Center for Bariatric Surgery and Weight-Loss Management. Before joining Valley, Karen was the Office and Operations Manager for Holy Name Medical Center's medically based fitness center, HNHFitness, in Oradell. During her nine years at the center, she was responsible for all member and community-based relations. Karen also worked as a regional director for Sportscare Institute, Inc., where she was responsible for managing the reception staff in all of the company’s Bergen and Rockland County facilities to ensure patient satisfaction. Karen’s first role in the industry was as a manager for a team of health and welfare benefit specialists at Mellon Financial.

Amee PandyaAmee Pandya, Billing Coordinator

Amee received a bachelor's degree in computer science from New Jersey City University. She joined Valley in 2016, bringing with her more than a decade’s worth of experience in the healthcare industry. Amee has extensive experience working with insurance companies and has the necessary knowledge and skills to assist patients with their billing questions.



Gina SmithGina Smith, Administrative Assistant

Gina has been a member of the bariatric surgery program at Valley since its creation. Her customer service skills have helped many patients begin their weight-loss journey by giving them the essential information that is needed for their initial consultation. Gina’s main goal is to deliver compassionate care to every patient.



Pedro OrtizPedro Ortiz, CMA, Certified Medical Assistant

Pedro joined Valley Medical Group in 2015, bringing with him the experience gained from working at a fast-paced occupational medicine practice. Pedro focuses on assisting patients through the entire weight-loss process.




Estefany HernandezEstefany Hernandez, Business Associate

Estefany joined Valley Medical Group in 2017. She earned her bachelor’s degree in linguistics from Montclair State University. With more than 10 years of customer service experience, Estefany is ready to assist all our patients throughout their weight-loss journey.