Best medical management and gastric bypass surgery is a way to treat diabetes as part of regular medical care (standard of care). However, gastric bypass surgery is not a way to treat diabetes as part of regular medical care (standard of care).

Best medical management and gastric bypass surgery are ways to treat obesity as part of regular medical care (standard of care). Best medical management is a way to treat diabetes as part of regular medical care (standard of care). However, gastric bypass surgery is not a way to treat diabetes as part of regular medical care (standard of care). But, studies suggest that diabetes gets better or goes away after gastric bypass surgery. This study is being done to find out if diabetes gets better or goes away completely after a patient has gastric bypass surgery as part of regular medical care (standard of care).

Inclusion Criteria:

• Age 25 to 70
• BMI 35 or greater
• HbA1c>6.5%
• Stable weight
• Stable medications

Exclusion Criteria:

• Coagulopathy
• Liver cirrhosis
• C-peptide <1 ng/ml (off insulin)
• Diagnosis of severe eating disorder
• Untreated endocrine disorder
• Use of medication for weight loss in the past 6 months
• Use of medication for weight loss in the last 6 months (with the exception of orlistat)
• Pregnancy
• Coagulopathy
• Liver cirrhosis
• Incurable, malignant, or debilitating disease
• Severe eating disorder
• Use of weight loss medication in the last 6 months, with the exception of orlistat
• Untreated endocrine disorder
• Pregnant
• Inability to provide informed consent