Springfield Clinic Bariatric Weight Loss Center
1025 South 6th Street, Springfield, IL 62703 (447) 448-3061 Open Now · Closes at 5:00 PM
Luke Umana, MD
D-ABOM, FACS, FASMBS
General Surgery | Bariatrics
Meet Dr. Umana
Learn more about his approach to care.
Luke Umana, MD, D-ABOM, FACS, FASMBS, provides care with the Springfield Clinic's Bariatric Surgery team and sees patients at Springfield Clinic Main Campus East.
Dr. Umana earned his medical degree and completed his general surgery residency at Indiana University School of Medicine in Indianapolis. He also completed a bariatric and advanced minimally invasive surgery fellowship at AdventHealth Tampa in Florida.
Patients will receive highly personalized and specialized care. One's weight loss journey is life long, and we are on that journey together.
With board certifications in general surgery and obesity medicine, Dr. Umana offers a comprehensive range of obesity treatment options — from lifestyle changes and medications to the most current bariatric surgery procedures, all performed at MBSAQIP accredited facilities.
Dr. Umana takes a patient-centered approach to weight management, building long-term relationships and providing guidance from the initial consultation through post-operative follow-ups. In his free time, he enjoys spending time with his children, exercising, and playing soccer.
Expertise
Top Areas of Focus
Obesity (BMI 35+)
Chronic condition requiring comprehensive medical and surgical treatment approaches.
Type 2 Diabetes
Obesity-related insulin resistance that may improve or resolve after bariatric surgery.
Sleep Apnea
Breathing disruptions during sleep linked to excess weight, often improved through weight loss.
High Blood Pressure
Cardiovascular risk factor frequently associated with obesity and metabolic syndrome.
Joint Pain & Mobility
Weight-related stress on joints that limits daily activity and quality of life.
GERD / Acid Reflux
Chronic digestive condition that can be addressed through specific surgical procedures.
Gastric Sleeve
Sleeve gastrectomy — removes ~80% of the stomach to reduce capacity and hunger hormones.
Gastric Bypass
Roux-en-Y procedure that reroutes the digestive system for significant, sustained weight loss.
Revisional Surgery
Correction or conversion of a previous bariatric procedure for improved outcomes.
Endoscopic Sleeve
Non-surgical gastroplasty performed endoscopically for a less invasive option.
Patient Experience
What Our Patients Say
Dr. Umana made me feel completely at ease from the very first consultation. His team is professional, caring, and truly invested in your success.
Springfield Clinic Patient
I've lost over 80 pounds and my diabetes is in remission. Dr. Umana and his staff have literally given me my life back.
Springfield Clinic Patient
The most thorough and caring doctor I've ever had. He answers every question and makes sure you understand your options.
Springfield Clinic Patient
From the first consultation to my follow-up appointments, every interaction has been exceptional. I felt safe and supported throughout.
Springfield Clinic Patient
Where to Find Us
Convenient Locations for Your Care
Springfield Clinic Surgery Center
1025 South 6th Street, Springfield, IL 62703-2403 (447) 448-3042Open Now · Closes at 5:00 PMSpringfield Clinic Main Campus East
1025 South 7th Street, Springfield, IL 62703 (217) 528-7541Open Now · Closes at 5:00 PMSpringfield Clinic Decatur
102 West McKinley Avenue, Decatur, IL 62526 (217) 877-0700Closed · Opens 8:00 AM