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West Hills Hospital & Medical Center
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Surgical Weight Loss Staff

Dr. Paya received his medical degree from Mount Sinai School of Medicine in New York and returned to California where he completed a fellowship in laparoscopic surgery at UC, Irvine. Dr. Paya is Board Certified in General Surgery and is a member of the American College of Surgeons and the American Society for Bariatric Surgery.

Dr. Lublin received his medical degree from UCLA with a residency in general surgery at Mount Sinai Hospital in New York. Dr. Lublin completed an advanced laparoscopic surgery and weight loss surgery fellowship at Cedars-Sinai Medical Center. He is a Board Certified general surgeon and is a member of the American Society for Metabolic and Bariatric Surgery as well as a Fellow of the American College of Surgeons.

Dr. Nazarian is a diplomat of the American Board of Surgery as well as a Fellow of the American College of Surgeons and a Fellow of the International College of Surgeons. As an active member of the American Society for Metabolic and Bariatric Surgery and International Federation of Bariatric Surgery, Dr. Nazarian specializes in Laparoscopic (minimally-invasive) Lap Band, and Gastric Bypass procedures. Dr. Nazarian has performed over twenty-five hundred Bariatric cases.

Dr. Jessum is a licensed psychologist who graduated from the University of California and the California School of Professional Psychology. She offers a "solution-focused" approach to behavioral and lifestyle change. Dr. Jessum specializes in the areas of health, psychological and behavioral management and is a Qualified Medical Evaluator. She has worked with Center patients since 2004, conducting all the pre-surgical patient screening.

Dr. Long received her doctoral degree, as well as a Master's Degree in Clinical Psychology, from Spalding University in Louisville, Kentucky. She is the founder of M.E.L.L.O.W., a center for psychological services in Hermosa Beach.

Lari earned her BS in Nutrition from Pepperdine University in 2009. She received her Master's Degree from CSUN in 2011 and completed her Dietetic Internship through Utah State University that same year. Lari has been a Clinical Dietitian since 2011 and is a member of the Academy of Nutrition and Dietetics. Her focus is on providing tools through knowledge for her patients to make nutrition-related decisions for optimal health. Lari joined the Center team in 2013.

Agata received her Bachelor's Degree in Nutrition and Dietetics from Cal State, Long Beach. In 2009, she earned a Master's Degree in Public Health and completed her dietetic internship at Loma Linda University where she contributed to the publication "WIC Medical Documentation Training Guide," and assisted the orange County Health District in developing a program to decrease childhood obesity. Agata is a member of the American Dietetic Association and the California Dietetic Association - Los Angeles District. Agata joined the Center team in 2010.

Mor earned her BS in Nutrition from University of California, Davis in 2009. She received her Master's Degree and Dietetic Internship from CSUN in 2015. She has been a Clinical Dietitian since 2014 and is a member of the Academy of Nutrition and Dietetics (AND). Mor is an instructor in human nutrition through the UCLA extension program, and specializes in both eating disorders and vitamins/minerals/supplements. Mor joined the Center team in 2015.

Maryam received her BS in Nutrition in 1992 and received her MS in 2010 in Family and Consumer Sciences- Nutrition at California State University, Northridge. She completed the “Training in Adult Weight Management” course through the Commission on Dietetic Registration in 2010. She became a Certified Nutrition Support Clinician (CNSC) in 2013 and joined West Hills Hospital in 2013 and has worked with the Center's patients since 2014. She is a member of the Academy of Nutrition and Dietetics (AND) and the American Society of Parenteral and Enteral Nutrition (ASPEN).

Dr. Berger trained in both General Surgery at the Mount Sinai School of Medicine in New York and Plastic Surgery at the prestigious USC in Los Angeles. He obtained Board Certification in both specialties and has been practicing for more than 15 years. He has maintained his affiliation with USC as Clinical Assistant Professor of Surgery and has participated in residency training. He also has published in peer review journals, presented at national meetings, and chaired local Plastic Surgery symposia.

Dr. Trott received her BS in Biology from Stanford University before earning her medical degree from the University of Virginia. Her nine years of post-graduate surgical training included completion of a general surgery residency at Brookdale University Hospital and Medical Center in New York, a plastic surgery fellowship at the University of California at San Diego, and a plastic surgery research fellowship at the University of Texas/Southwestern In Dallas, Texas. She is board certified in both general surgery and plastic surgery.

Dr. MacDonald is one of the first of twenty-five women to become a plastic surgeon. She is board certified through the American Society of Plastic Surgeons and is also a member of the American Society for Aesthetic Plastic Surgery. Dr. MacDonald completed her medical degree at Johns Hopkins Medical School, completed her Plastic Surgery residency at Wayne State University Hospital and her Plastic Surgery Cosmetic Fellowship at Providence Hospital in Michigan. She has been in private practice since 1978 and has appeared in magazines, on television and radio.

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