About
Dr. Michael Jay Nusbaum has spent over 25 years treating weight loss patients in New Jersey. He holds board certification from the American Board of Surgery and carries dual fellowship designations as a Fellow of the American College of Surgeons and a Fellow of the American Society for Metabolic and Bariatric Surgery.
In 1998, Dr. Nusbaum established Saint Barnabas Medical Center's bariatric surgery program. He performed the first laparoscopic gastric bypass and banding procedures there and served as chief of bariatric surgery from 1998 to 2009. He later served as bariatric section chief at Morristown Medical Center and surgical director at its Metabolic Medicine and Weight Control Center from 2008 to 2019. His patients have collectively lost over 500,000 pounds. He has treated more than 25,000 CoolSculpting patients, building deep expertise in non-invasive body sculpting. Dr. Nusbaum has co-authored definitive textbooks in bariatric surgery and appears regularly on national television as a media ambassador for weight loss surgery. New Jersey's Top Doc program has recognized him every year since 2007, and he ranks among the Top 10 Surgeons in the state. He holds hospital privileges at Saint Barnabas Medical Center and sees patients in both English and Spanish.
Education & Training
Additional Training
Fellow of the American College of Surgeons (FACS); Fellow of the American Society for Metabolic and Bariatric Surgery (FASMBS); Chief of Bariatric Surgery, Saint Barnabas Medical Center, 1998-2009; Bariatric Section Chief and Surgical Director, Morristown Medical Center Metabolic Medicine and Weight Control Center, 2008-2019
Certifications
Languages
English, Spanish
Conditions Treated
Who is Dr. Nusbaum right for?
Dr. Nusbaum is a strong fit for adults who want a surgical or non-surgical path to significant, lasting weight loss. Patients considering gastric sleeve, gastric bypass, or gastric band procedures benefit from his extensive surgical background. Those who prefer non-surgical options can pursue Semaglutide, Tirzepatide, or a customized dietary program under his supervision. He also serves patients seeking body contouring, skin rejuvenation, hair restoration, or hormone therapy alongside their weight loss journey. Spanish-speaking patients receive care in their preferred language.
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Frequently Asked Questions
Dr. Nusbaum performs gastric sleeve, gastric bypass, and gastric band procedures. He established Saint Barnabas Medical Center's bariatric surgery program in 1998 and performed the first laparoscopic gastric bypass and banding procedures there. He later served as surgical director at Morristown Medical Center's Metabolic Medicine and Weight Control Center.
Yes, Dr. Nusbaum offers several non-surgical weight loss pathways. These include Semaglutide and Tirzepatide injectable programs, the proprietary Nusbaum Diet built around individualized testing, and doctor-supervised HCG and keto plans. Patients work directly with Dr. Nusbaum to find the right approach for their health profile.
Yes, Dr. Nusbaum holds board certification from the American Board of Surgery. He also carries dual fellowship designations as a Fellow of the American College of Surgeons and a Fellow of the American Society for Metabolic and Bariatric Surgery.
Dr. Nusbaum has spent over 25 years treating weight loss patients in New Jersey. His patients have collectively lost more than 500,000 pounds under his care. New Jersey's Top Doc program has recognized him every year since 2007, and he ranks among the Top 10 Surgeons in the state.
Yes, Dr. Nusbaum sees patients in both English and Spanish.
Dr. Nusbaum offers SmartLipo, CoolSculpting, Lipo360, liposuction, chin liposuction, abdominoplasty, and the Avéli cellulite treatment. He has treated more than 25,000 CoolSculpting patients, giving him deep expertise in non-invasive body contouring.
Yes, Dr. Nusbaum offers NeoGraft and FUE hair transplant procedures, as well as PRP and PRFM treatments for hair loss. These options serve patients at different stages of hair thinning or loss.
Dr. Nusbaum provides Botox, JUVÉDERM dermal fillers, microneedling, HydraFacial, PRP facials, chemical peels, Ultherapy, and Glacial Rx skin treatments. He also offers facelift and eyelid surgery for patients seeking surgical facial rejuvenation.
Yes, Dr. Nusbaum offers bioidentical hormone replacement therapy as part of the practice's anti-aging and wellness services.
Yes, Dr. Nusbaum has co-authored definitive textbooks in bariatric surgery. He also appears regularly on national television as a media ambassador for weight loss surgery.
Doctor profile last updated March 21, 2026