Meet Our Team
We offer a team approach to weight loss. Our highly skilled bariatric staff is committed to providing you with ongoing support throughout your weight loss surgery journey and beyond.

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Daniel M. Herron, MD, Bariatric Surgeon, Medical Director
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Dessislava Stefanova, MD, Bariatric Surgeon
Dessislava Stefanova, MD is board certified in general surgery. Her areas of expertise include general surgery, minimally invasive surgery, and robotic surgery. She is also interested in the care of complex surgical patients, such as those with hernias, reflux, or obesity. Dr. Stefanova obtained her medical degree from Drexel University College of Medicine in Philadelphia, PA and completed a general surgery residency at New York Presbyterian Hospital-Weill Cornell Medical Center.
She then completed an advanced GI MIS/bariatrics fellowship at Mount Sinai Health System. In addition to her clinical practice, Dr. Stefanova is actively involved in teaching and research and has published numerous articles in peer-reviewed journals. She is also a member of several professional organizations, including the American College of Surgeons and the Society of American Gastrointestinal and Endoscopic Surgeons, and is bilingual in Bulgarian and English.
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Support Staff

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Judy Summers, PA-C, Director of Bariatric Services
Judy began her 20 years+ career in bariatrics providing clinical care in the inpatient and outpatient setting and as a first assist in the operating room. Her passion in working with the bariatric patients continues as a bariatric director, overseeing program development and obtaining bariatric program accreditation.
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Jennifer Sokolowski, RN, BSN, MBA, CBS, Inpatient Bariatric Coordinator
Jennifer has 16 years of experience in Bariatric Surgery. She started her career as an RN and was involved in the direct care of the post op bariatric surgical patient. In 2017, she earned her certification as a Certified Bariatric Nurse (CBN). In 2022, she became the Inpatient Bariatric Coordinator. Her clinical experience enables her to field all areas of patient care promoting communication with the respective surgeons, physician assistants, residents, nurses, and other providers. Her passion for Bariatrics is clear through her compassion, support, and encouragement that she shows to each patient, ensuring positive patient outcomes and increased patient satisfaction.
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Danielle Solomon, RD, CDCES, Bariatric Dietitian
As a Registered Dietitian, Certified Diabetes Care and Education Specialist, and Bariatric Dietitian, Danielle has helped thousands of patients reach their weight and wellness goals through dietary and lifestyle changes. She teaches simple strategies for long term weight loss success.
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Alison Singer, Bariatric Program Manager
With 15 years of experience in Bariatric surgery, Alison has guided patients through their weight loss journey pre-- and post operatively. She also facilitates the support group and loves to help our bariatric patients succeed.
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Kim Libal, Data Registry Manager
Kim has worked with bariatric patients since 2014 as a medical assistant and data registrar. She currently focuses on patient follow-up and is the Data Registry Clinical Reviewer.
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Learn More
If you've been struggling with weight loss, the Bariatric and Metabolic Program at Mount Sinai South Nassau can help. To learn more call (516) 377-5336.
Body Mass Index (BMI)
Body Mass Index (BMI) is calculated by using a person’s height and weight and determines your weight category...
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Types of Weight Loss Surgery
Whether or not surgery is right for you is a discussion you should have with your weight loss surgeon...
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Revisional Weight Loss Surgery
If you have already had bariatric surgery and had complications or did not successfully lose weight, the experts...
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Weight Loss Success Stories
With over 5,000 weight loss surgery procedures performed, Mount Sinai South Nassau has many patients...
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Support After Weight Loss Surgery
The Bariatric and Metabolic Program offers comprehensive follow-up care, including a support group...
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Meet Our Team
We offer a team approach to weight loss. Our highly skilled bariatric staff is committed to providing you with ongoing support...
Read More
Accrediations & Certifications
Our award-winning program, led by renowned weight loss surgeon Dr. Rajeev Vohra, provides our patients...
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Weight Loss Surgery Frequently Asked Questions
Here are some answers to some common questions about weight loss surgery and how to know if it's right for you...
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The Dietitian's Corner
Changing your Diet is an Essential Part of Weight Loss...
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