The 20 Best Gastric Bypass Doctors in Michigan, US

Allison Schulman, MD, MPH, FASGE, FACG is an Associate Professor and dually appointed in the Division of Gastroenterology and Hepatology and the Department of Surgery. She received her bachelor's degree from Cornell University in Ithaca, New York, and her medical degree from Weill Cornell Medical College in New York City, where she was inducted into the Alpha Omega Alpha (AOA) Medical Honor Society. She received a Master’s in Public Health (MPH) at Harvard University. She completed her residency in Internal Medicine at the Brigham and Women's Hospital in Boston, MA. Following residency training, Dr. Schulman completed fellowship in Gastroenterology, and went on to complete two additional fellowships in Bariatric Endoscopy followed by Advanced/Therapeutic Endoscopy. All of her training was at Harvard/Brigham and Women's Hospital. She joined faculty at Michigan in 2017 and was appointed Director of Bariatric Endoscopy and more recently selected as Chief of Endoscopy in 2023.Dr. Schulman's research has focused on endoscopic management of obesity and device development/innovation in therapeutic endoscopy. She is specifically interested in the management of complications following bariatric surgery, primary endoscopic therapy for obesity, and therapeutic endoscopic ultrasound (EUS). She also has interests in interventional hepatology and ERCP.She is a member of the Clinical Excellence Society and participates in committees through many gastroenterology and surgical societies, and is the current Chair of the Association of Bariatric Endoscopy (ABE/ASGE). Dr. Schulman is rated as an Elite provider by MediFind in Gastric Bypass. She is also highly rated in 31 other conditions, according to our data. Her clinical expertise encompasses Gastrointestinal Fistula, Choledocholithiasis, Hereditary Pancreatitis, Gastric Bypass, and Endoscopy. Dr. Schulman is board certified in Gastroenterology.

Hassan Nasser is an Otolaryngologist practicing medicine in Detroit, Michigan. He has been practicing medicine for over 11 years. Dr. Nasser is rated as a Distinguished provider by MediFind in Gastric Bypass. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Laryngeal Cancer, Throat Cancer, Acinic Cell Carcinoma of Salivary Glands, Gastric Bypass, and Sleeve Gastrectomy. Dr. Nasser is board certified in American Board Of Otolaryngology - Head And Neck Surgery. Dr. Nasser is currently accepting new patients.

Dana A. Telem, MD, MPH, is the Section Head of General Surgery, the Associate Chair for Quality and Patient Safety, and the Lazar J. Greenfield Professor of Surgery. Dr. Telem completed her surgical training at The Mount Sinai Medical Center in New York and her fellowship in Minimally Invasive and Bariatric Surgery at the Massachusetts General Hospital. Dr. Telem also completed a Master’s in Public Health in the Executive Master’s of Healthcare Management program at the Columbia University Mailman School of Public Health.She serves on the editorial boards of Annals of Surgery and Surgery for Obesity and Related Diseases, is a Subject Editor for Surgical Endoscopy and a Section Editor for Hernia. Her research and commentaries have been published in several prominent journals such as the Journal of the American Medical Association (JAMA) and Annals of Surgery. She serves on the SAGES and Foundation for Surgical Fellowships Board of Governors, and holds key leadership positions across several organizations and societies focused on quality and patient safety, as well as diversity and inclusion.Clinical Specialization:Her clinical practice is devoted to minimally invasive therapies focused on hernia, benign diseases of the esophagus and morbid obesity. Dr. Telem is rated as a Distinguished provider by MediFind in Gastric Bypass. She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Hernia, Obesity, Umbilical Hernia, Sleeve Gastrectomy, and Gallbladder Removal. Dr. Telem is board certified in Surgery.

Nazanene H. Esfandiari, MD, is a Clinical Professor of Internal Medicine with an appointment in the Division of Metabolism, Endocrinology and Diabetes (MEND). Dr. Esfandiari received her medical degree from the University of Bordeaux in France, completed internal medicine residency in France and at UMASS Memorial Health Center in Massachusetts, and then completed fellowship in endocrinology at the University of Michigan. She joined the faculty at the University of Michigan in 2003. She was inducted into Clinical Excellence Society at the University of Michigan in 2014. She is the MEND Service Chief, Co-director of Hospital Intensive Insulin Program (HIIP) and Assistant Chief for the Inpatient Endocrine Consult.Dr. Esfandiari’s practice focuses on thyroid cancer, thyroid disorders, post bariatric care, and diabetes. She is also interested in medical education and is the Co-director of the Endocrine Sequence at the University of Michigan Medical School. In addition, Dr. Esfandiari has served in several national committees at the Endocrine Society and American Thyroid Association (ATA). Dr. Esfandiari is rated as an Advanced provider by MediFind in Gastric Bypass. She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Thyroid Cancer, Follicular Thyroid Cancer, Anaplastic Thyroid Cancer, Gastric Bypass, and Thyroidectomy. Dr. Esfandiari is board certified in Endocrinology, Diabetes & Metabolism.

Dr. Elif Oral is a professor in the Division of Metabolism, Endocrinology and Diabetes (MEND) at the University of Michigan. She completed her medical education in her home country of Turkey at the University of Istanbul. In 1996, she completed her residency in Internal Medicine at Sinai Hospital Detroit (Michigan). She then completed a fellowship in Endocrinology, Metabolism and Diabetes at the National Institute of Health, where she also chose to stay as a Senior Fellow under the mentorship of Drs SimeonTaylor and Phillip Gorden in in the Diabetes Branch of NIDDK.Since joining the University of Michigan in 2002 as an Assistant Professor of Medicine, along with her regular faculty responsibilities, Dr. Oral also completed a Masters of Science Degree in Clinical Research Design and Biostatistics at the School of Public Health. Her clinical interests are in insulin resistance, obesity, lipid disorders, and diabetes.Dr Oral's research focuses on the importance of adipocytes in human metabolism and adipocyte hormones such as leptin. She is best known for her work showing the remarkable efficacy of leptin in rare lipodystrophy syndromes. Metreleptin received approval by the FDA (2014) and EMA (2016) as a treatment for lipodystrophy owing to a large part to her original vision and work. These studies provided the basis for her current work with three big goals: identification of novel metabolic diseases, discovery of new disease mechanisms and finding treatments for patients afflicted with these disorders. In addition to her roles as physician, educator, and researcher, Dr Oral is also the director of two programs at MEND: Atypical Diabetes Program and Obesity and Metabolic Disorders Program. She directed the Post-Bariatric Surgery Care Program from 2012 to 2021 and continues to conduct research on the cohort of patients who had bariatric surgery performed in the Michigan Bariatric Surgery program. Dr. Oral is rated as an Advanced provider by MediFind in Gastric Bypass. She is also highly rated in 16 other conditions, according to our data. Her clinical expertise encompasses Familial Partial Lipodystrophy, Congenital Generalized Lipodystrophy, Familial Hypertriglyceridemia, Gastric Bypass, and Sleeve Gastrectomy. Dr. Oral is board certified in Endocrinology, Diabetes & Metabolism.

Dr. Kraftson specializes in treating patients with excess weight/obesity in addition to seeing patients with general endocrinologic conditions. He was inducted into the Clinical Excellence Society in 2021. He is the Director of the Weight Navigation Program & the Director of the Post Bariatric Endocrinology Clinic. Dr. Kraftson's research, focuses on gaining a better understanding of delivering effective care for individuals with obesity. In addition to these interests, Dr. Kraftson is actively involved in medical education and is the Associate Program Director for the M.E.N.D. Endocrinology Fellowship. Dr. Kraftson is rated as an Advanced provider by MediFind in Gastric Bypass. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Obesity, Malnutrition, Type 2 Diabetes (T2D), Gastric Bypass, and Sleeve Gastrectomy. Dr. Kraftson is board certified in Endocrinology, Diabetes & Metabolism.

Arthur Carlin is a General Surgeon practicing medicine in Detroit, Michigan. Dr. Carlin is rated as a Distinguished provider by MediFind in Gastric Bypass. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Obesity, Obesity in Children, Parathyroid Cancer, Gastric Bypass, and Sleeve Gastrectomy.

Oliver Varban is a General Surgeon practicing medicine in Detroit, Michigan. Dr. Varban is rated as a Distinguished provider by MediFind in Gastric Bypass. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Obesity, Hiatal Hernia, Hernia, Sleeve Gastrectomy, and Gastrectomy.

Kamran Shah is a Neuroradiologist practicing medicine in Ypsilanti, Michigan. Dr. Shah is rated as an Advanced provider by MediFind in Gastric Bypass. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Stroke, CAPOS Syndrome, Vertigo, Gastric Bypass, and Endoscopy.

Amy Neville is a Radiologist practicing medicine in Detroit, Michigan. Dr. Neville is rated as an Advanced provider by MediFind in Gastric Bypass. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Fibrolamellar Carcinoma, Ascites, Lump in the Abdomen, Gastric Bypass, and Endoscopy.

Laith Jamil is a Gastroenterologist practicing medicine in Royal Oak, Michigan. He has been practicing medicine for over 34 years. Dr. Jamil is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Bile Duct Obstruction, Cholestasis, Hereditary Pancreatitis, Endoscopy, and Sleeve Gastrectomy. Dr. Jamil is board certified in American Board Of Internal Medicine. Dr. Jamil is currently accepting new patients.

Jon Schram is a Bariatric Medicine provider practicing medicine in Zeeland, Michigan. He has been practicing medicine for over 41 years. Dr. Schram is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Obesity, Obesity in Children, Morning Sickness, Gastrectomy, and Sleeve Gastrectomy. Dr. Schram is board certified in American Board Of Surgery. Dr. Schram is currently accepting new patients.

Ahmad Hammoud is a Reproductive Medicine provider practicing medicine in Bloomfield Hills, Michigan. He has been practicing medicine for over 26 years. Dr. Hammoud is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Infertility, Ovarian Overproduction of Androgens, Ovarian Hyperstimulation Syndrome, Polycystic Ovary Syndrome, and Gastric Bypass. Dr. Hammoud is board certified in American Board Of Obstetrics And Gynecology and American Board Of Obstetrics And Gynecology. Dr. Hammoud is currently accepting new patients.

William H. Herman is the Stefan S. Fajans/GlaxoSmithKline Professor of Diabetes, Professor of Internal Medicine in the Division of Metabolism, Endocrinology, and Diabetes and Professor of Epidemiology in the School of Public Health. He completed his undergraduate degree at Yale University and received his medical degree from Boston University. He gained a Masters of Public Health (Epidemiology) from the University of Michigan. Professor Herman's interests include clinical diabetes and diabetes epidemiology, especially in the areas of surveillance, screening, treatment, cost-effective analysis, and health policy. He has authored more than 400 original research papers, reviews and textbook chapters and is U-M Principal Investigator for the Diabetes Control and Complications Trial (DCCT), Epidemiology of Diabetes Interventions and Complications (EDIC), Diabetes Prevention Program (DPP), Diabetes Prevention Program Outcomes Study (DPPOS), and The Glycemia Reduction Approaches in Diabetes: A Comparative Effectiveness Study (GRADE). Professor Herman received the American Diabetes Association's Kelly West Award for outstanding achievement in diabetes epidemiology in 2006 and the U-M Dean's Award for Clinical and Health Services Research in 2007. From 2018 to 2021, he chaired the National Clinical Care Commission, a federal advisory committee charged with advising the Congress how to leverage federal policies and programs to better prevent and control diabetes in the United States. He has been recognized by Best Doctors as a Best Doctor in America for more than 10 years. Dr. Herman is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Type 1 Diabetes (T1D), Diabetic Neuropathy, and Gastric Bypass. Dr. Herman is board certified in Internal Medicine and Endocrinology, Diabetes & Metabolism.

Daniel Bacal is a General Surgeon and a Bariatric Medicine provider practicing medicine in Dearborn, Michigan. He has been practicing medicine for over 32 years. Dr. Bacal is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Hernia, Hiatal Hernia, Cholecystitis, Endoscopy, and Sleeve Gastrectomy. Dr. Bacal is board certified in American Board Of Surgery. Dr. Bacal is currently accepting new patients.

Kevin Krause is a General Surgeon and a Bariatric Medicine provider practicing medicine in Berkley, Michigan. He has been practicing medicine for over 32 years. Dr. Krause is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Hernia, Short Bowel Syndrome, Obesity, Sleeve Gastrectomy, and Gastrectomy. Dr. Krause is board certified in American Board Of Surgery. Dr. Krause is currently accepting new patients.

Jonathan F. Finks, M.D, is a Assistant Professor in the Division of Minimally Invasive Surgery, Section of General Surgery. Dr. Finks graduated from Harvard College in Cambridge, Massachusetts with a degree in English Literature in 1991. Dr. Finks received his medical degree from the University of California, Irvine College of Medicine, Irvine, California, in 1998. He completed his General Surgery residency in June of 2003, at the University of Cincinnati College of Medicine in Ohio. Dr. Finks went on to complete a two year fellowship in Minimally Invasive Surgery at Oregon Health and Science University in Portland, Oregon. He joined the faculty at the University of Michigan Health System in August of 2005.Dr. Finks clinical interests are Minimally Invasive Surgery, Bariatric Surgery, Gastroesophageal Reflux Disease, and Achalasia.His research focus is Clinical Outcomes of Bariatric Surgery. Dr. Finks is rated as an Advanced provider by MediFind in Gastric Bypass. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Obesity, Hernia, Hiatal Hernia, Sleeve Gastrectomy, and Gastrectomy. Dr. Finks is board certified in Surgery.

Nabeel R. Obeid, MD is a Clinical Associate Professor in the Division of Minimally-Invasive Surgery, Department of Surgery at Michigan Medicine. He is a native of Michigan, born and raised in the Detroit metropolitan area. He attended the University of Michigan, receiving a Bachelor of Science degree with High Distinction in 2006. He then completed his medical education in 2010 at the University of Michigan Medical School. Dr. Obeid furthered his training in general surgery at New York University School of Medicine as house officer of NYU Langone Medical Center, Bellevue Hospital Center, and the Manhattan Veterans Affairs Hospital. He graduated as academic chief resident in 2016. He subsequently completed an accredited fellowship in minimally-invasive and bariatric surgery at Stony Brook University Hospital. He joined the faculty at Michigan Medicine in September 2017.Dr. Obeid takes pride in the compassionate care of his patients. He maintains a focus on treating the patient as an individual, and tailors his surgical care to best fit each patient’s unique conditions. This includes spending the necessary time listening and explaining to ensure his patients have a full understanding before making an informed decision regarding surgery.Dr. Obeid is a member of the American College of Surgeons (ACS), the American Society for Metabolic and Bariatric Surgery (ASMBS) for which he serves on the Executive Board of the Michigan Chapter, and the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES), for which he holds multiple national leadership positions, including the Membership Committee and the Metabolic and Bariatric Surgery Committee. He is passionate about surgical education, including resident skills training and student teaching.His research interests include investigating the weight loss, health improvement, and differences in outcomes among a variety of bariatric surgical procedures, the long-term durability and side effects of anti-reflux surgery, and understanding how to make surgery safer and more effective using state and national quality collaborative data.Clinical Specialization:In addition to core general surgery, Dr. Obeid’s clinical interests include advanced laparoscopy and minimally-invasive surgery, bariatric surgery, diseases of the foregut (reflux disease, paraesophageal/hiatal hernias, esophageal dysmotility), gallbladder disease, hernias, and upper endoscopy. Dr. Obeid is rated as an Advanced provider by MediFind in Gastric Bypass. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Obesity, Hernia, Umbilical Hernia, Sleeve Gastrectomy, and Gastric Bypass. Dr. Obeid is board certified in Surgery.

Ryan Howard is a General Surgeon practicing medicine in Ann Arbor, Michigan. Dr. Howard is rated as an Advanced provider by MediFind in Gastric Bypass. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Hernia, Umbilical Hernia, Obesity, Sleeve Gastrectomy, and Gastric Bypass.

Dr. Anne Ehlers is the Division Chief of Minimally Invasive Surgery and a faculty member in the Department of Surgery at the University of Michigan. Since joining the Department in 2019, she has developed a clinical practice specializing in bariatric surgery, abdominal wall hernia repair, and benign foregut disorders. She is Board Certified in General Surgery and fellowship trained in Minimally Invasive and Bariatric Surgery.Dr. Ehlers was born in Seattle, WA and earned her undergraduate degree from the University of Notre Dame before returning to the University of Washington for medical school, general surgery residency, and fellowship in Minimally Invasive Surgery. During residency, she completed a two-year NIH T32-funded research fellowship and obtained a Master of Public Health degree.Her research applies patient-centered outcomes and implementation science frameworks to improve quality of care in abdominal wall hernia repair. Her leadership at the Michigan Surgical Quality Collaborative Core Optimization Hernia Registry (MSQC-COHR) advances evidence-based, statewide quality improvement initiatives. At the national level, she is an active member of the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES), which honored her with the 2025 Early Career Faculty Researcher Award in recognition of her contributions. Supported by NIH funding, Dr. Ehlers has published extensively on abdominal wall hernia repair and remains committed to advancing and disseminating best practices in surgical care. Dr. Ehlers is rated as an Advanced provider by MediFind in Gastric Bypass. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Hernia, Hiatal Hernia, Obesity, Sleeve Gastrectomy, and Gastrectomy. Dr. Ehlers is board certified in Surgery.