The 20 Best Gastric Bypass Doctors in Illinois, US

Find the Experts and Specialists who perform Gastric Bypass

The 20 Best Gastric Bypass Doctors in Illinois, US

Last Updated: 02/22/2026

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MediFind found 86 doctor with experience in Gastric Bypass near Illinois, US. Of these, 71 are Experienced, 7 are Advanced, 6 are Distinguished and 2 are Elite.

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86 providers found
    Elite in Gastric Bypass
    Gastroenterology
    Elite in Gastric Bypass
    Gastroenterology

    Office

    904 Medical Park Dr Ste 3, 
    Effingham, IL 
    Languages Spoken:
    English

    Nitin Kumar is a Gastroenterologist in Effingham, Illinois. Dr. Kumar is rated as an Elite provider by MediFind in Gastric Bypass. His top areas of expertise are Acute Pancreatitis, Visceromegaly, Obesity, Gastric Bypass, and Endoscopy.

    Elite in Gastric Bypass
    Pediatric Surgery
    Elite in Gastric Bypass
    Pediatric Surgery

    Ann & Robert H. Lurie Children's Hospital Of Chicago

    225 E Chicago Ave, 
    Chicago, IL 
    Languages Spoken:
    English

    Thomas Inge is a Pediatric Surgeon in Chicago, Illinois. Dr. Inge is rated as an Elite provider by MediFind in Gastric Bypass. His top areas of expertise are Obesity, Obesity in Children, High Blood Pressure in Infants, Gastric Bypass, and Gastrectomy.

    Ricardo Machado
    Experienced in Gastric Bypass
    Experienced in Gastric Bypass

    Advocate Medical Group Internal Medicine

    2511 N Kedzie Blvd, 
    Chicago, IL 
    Languages Spoken:
    English, Spanish

    Ricardo Machado is a primary care provider, practicing in Geriatrics in Chicago, Illinois. Dr. Machado is rated as an Experienced provider by MediFind in Gastric Bypass. His top areas of expertise are Type 2 Diabetes (T2D), Obesity, High Cholesterol, Hypertension, and Gastric Bypass.

    Learn about our expert tiers
    Michael Ujiki
    Distinguished in Gastric Bypass
    General Surgery | Counselor | Bariatric Medicine
    Distinguished in Gastric Bypass
    General Surgery | Counselor | Bariatric Medicine

    Endeavor Health Medical Group

    1000 Central St., Suite 800, 
    Evanston, IL 
    Languages Spoken:
    English, Japanese
    Offers Telehealth

    Michael Ujiki, MD, a gastrointestinal surgeon at Endeavor Health, specializes in minimally invasive procedures for conditions of the esophagus, stomach and gallbladder. After beginning his career in business, Dr. Ujiki found his true calling in medicine, where he now combines advanced surgical innovation with compassionate care. He prioritizes reducing recovery time and improving outcomes through cutting-edge techniques, including incisionless and laparoscopic surgeries. Dr. Ujiki is rated as a Distinguished provider by MediFind in Gastric Bypass. His top areas of expertise are Achalasia, Hernia, Hiatal Hernia, Gallbladder Removal, and Endoscopy.

    John Linn
    Distinguished in Gastric Bypass
    General Surgery | Bariatric Medicine
    Distinguished in Gastric Bypass
    General Surgery | Bariatric Medicine

    Endeavor Health Medical Group

    2050 Pfingsten Rd., Suite 128, 
    Glenview, IL 
    Languages Spoken:
    English

    John G. Linn, MD, a gastrointestinal and general surgeon at Endeavor Health, specializes in foregut and bariatric surgery. He treats a range of conditions including gallbladder disease, hernias and complex abdominal wall defects. Dr. Linn performs advanced procedures such as laparoscopic hernia repair, cholecystectomy and abdominal wall reconstruction to help patients improve digestive health and function. Dr. Linn is rated as a Distinguished provider by MediFind in Gastric Bypass. His top areas of expertise are Hernia, Choledocholithiasis, Hiatal Hernia, Gallbladder Removal, and Endoscopy.

    Eric S. Hungness
    Advanced in Gastric Bypass
    General Surgery
    Advanced in Gastric Bypass
    General Surgery
    259 E Erie St Ste 1600, Lavin Family Pavilion, 
    Chicago, IL 
    Experience:
    29+ years
    Languages Spoken:
    English
    Offers Telehealth

    Eric Hungness is a General Surgeon in Chicago, Illinois. Dr. Hungness has been practicing medicine for over 29 years and is rated as an Advanced provider by MediFind in Gastric Bypass. His top areas of expertise are Achalasia, Hiatal Hernia, Choledocholithiasis, Gallbladder Removal, and Gastric Bypass.

    B T. Heniford
    Advanced in Gastric Bypass
    General Surgery
    Advanced in Gastric Bypass
    General Surgery

    Endeavor Health Medical Group

    1000 Central St., Suite 800, 
    Evanston, IL 
    Languages Spoken:
    English

    B. Todd Heniford, MD, a surgeon at Endeavor Health, leads the Endeavor Health Comprehensive Abdominal Health and Hernia Center. He specializes in hernia repair and complex abdominal wall reconstruction. With more than 650 publications and experience training surgical leaders worldwide, Dr. Heniford applies evidence-based innovation and a team-based approach to restore strength and function for patients with both routine and complex surgical needs. For credentialing and licensing purposes, this provider’s legal name is Brant Heniford, MD. Dr. Heniford is rated as an Advanced provider by MediFind in Gastric Bypass. His top areas of expertise are Hernia, Hiatal Hernia, Diaphragmatic Hernia, Hernia Surgery, and Fasciotomy.

    Andrew Ross
    Advanced in Gastric Bypass
    Gastroenterology
    Advanced in Gastric Bypass
    Gastroenterology

    Endeavor Health Medical Group

    1000 Central St., Suite 880, 
    Evanston, IL 
    Languages Spoken:
    English
    Offers Telehealth

    Andrew Scott Ross, MD, a gastroenterologist at Endeavor Health, specializes in diagnosing and treating conditions affecting the digestive system. He provides care for patients with gastrointestinal disorders ranging from reflux and ulcers to more complex conditions requiring advanced procedures. Dr. Ross uses evidence-based practices to guide treatment planning and collaborates with patients to manage symptoms and improve digestive health. His expertise supports both preventive screenings and ongoing management of chronic gastrointestinal conditions. Dr. Ross is rated as an Advanced provider by MediFind in Gastric Bypass. His top areas of expertise are Hereditary Pancreatitis, Barrett Esophagus, Acute Pancreatitis, Endoscopy, and Colonoscopy.

    Alexander P. Nagle
    Advanced in Gastric Bypass
    Bariatric Medicine
    Advanced in Gastric Bypass
    Bariatric Medicine
    259 E Erie St Ste 1600, Lavin Family Pavilion, 
    Chicago, IL 
    Experience:
    29+ years
    Languages Spoken:
    English
    Offers Telehealth

    Alexander Nagle is a Bariatric Medicine provider in Chicago, Illinois. Dr. Nagle has been practicing medicine for over 29 years and is rated as an Advanced provider by MediFind in Gastric Bypass. His top areas of expertise are Obesity, Gallbladder Disease, Obesity in Children, Gastric Bypass, and Endoscopy.

    Experienced in Gastric Bypass
    Experienced in Gastric Bypass

    Loyola University Medical Center

    2160 S 1st Ave, 
    Maywood, IL 
    Languages Spoken:
    English
    Accepting New Patients

    Dane Salazar is an Orthopedics provider in Maywood, Illinois. Dr. Salazar is rated as an Experienced provider by MediFind in Gastric Bypass. His top areas of expertise are Frozen Shoulder, Osteoarthritis, Tendinitis, Shoulder Arthroscopy, and Osteotomy. Dr. Salazar is currently accepting new patients.

    Distinguished in Gastric Bypass
    General Surgery
    Distinguished in Gastric Bypass
    General Surgery

    Rush University Medical Group

    1725 W Harrison St, Suite 818, 
    Chicago, IL 
    Languages Spoken:
    English, Italian
    Accepting New Patients
    Offers Telehealth

    Alfonso Torquati is a General Surgeon in Chicago, Illinois. Dr. Torquati is rated as a Distinguished provider by MediFind in Gastric Bypass. His top areas of expertise are Obesity, Obesity in Children, Gallstones, Gastric Bypass, and Sleeve Gastrectomy. Dr. Torquati is currently accepting new patients.

    Distinguished in Gastric Bypass
    Bariatric Medicine
    Distinguished in Gastric Bypass
    Bariatric Medicine

    Loyola Center For Metabolic Surgery & Bariatric Care At Melrose Park

    719 W North Ave, 
    Melrose Park, IL 
    Languages Spoken:
    English
    Offers Telehealth

    Bipan Chand is a Bariatric Medicine provider in Melrose Park, Illinois. Dr. Chand is rated as a Distinguished provider by MediFind in Gastric Bypass. His top areas of expertise are Hernia, Hiatal Hernia, Obesity, Gastric Bypass, and Endoscopy.

    Distinguished in Gastric Bypass
    Bariatric Medicine
    Distinguished in Gastric Bypass
    Bariatric Medicine

    University Of Illinois Hospital

    1740 W Taylor St, 
    Chicago, IL 
    Languages Spoken:
    English
    Offers Telehealth

    Mario Masrur is a Bariatric Medicine provider in Chicago, Illinois. Dr. Masrur is rated as a Distinguished provider by MediFind in Gastric Bypass. His top areas of expertise are Obesity, Hernia, Gastroparesis, Sleeve Gastrectomy, and Gastrectomy.

    Distinguished in Gastric Bypass
    General Surgery
    Distinguished in Gastric Bypass
    General Surgery

    Rush University Medical Group

    1620 W Harrison St, 
    Chicago, IL 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Philip Omotosho is a General Surgeon in Chicago, Illinois. Dr. Omotosho is rated as a Distinguished provider by MediFind in Gastric Bypass. His top areas of expertise are Obesity, Obesity in Children, Gallstones, Gastric Bypass, and Sleeve Gastrectomy. Dr. Omotosho is currently accepting new patients.

    Stephen Haggerty
    Experienced in Gastric Bypass
    General Surgery | Bariatric Medicine
    Experienced in Gastric Bypass
    General Surgery | Bariatric Medicine

    Endeavor Health Medical Group

    757 Park Ave. West, Suite 2850, 
    Highland Park, IL 
    Languages Spoken:
    English

    Stephen Haggerty, MD, a gastrointestinal and general surgeon at Endeavor Health, specializes in minimally invasive techniques, including weight loss surgery and hernia repair. Practicing since 1998, he draws on decades of experience to provide individualized care and successful surgical outcomes. Dr. Haggerty also incorporates robotic surgery to manage complex cases and shorten recovery times. Dr. Haggerty is rated as an Experienced provider by MediFind in Gastric Bypass. His top areas of expertise are Hernia, Umbilical Hernia, Choledocholithiasis, Gallbladder Removal, and Endoscopy.

    Frederick M. Tiesenga
    Experienced in Gastric Bypass
    Experienced in Gastric Bypass

    Suburban Surgery Center

    3825 Highland Ave, 
    Downers Grove, IL 
    Languages Spoken:
    English
    Offers Telehealth

    Frederick Tiesenga is a General Surgeon in Downers Grove, Illinois. Dr. Tiesenga is rated as an Experienced provider by MediFind in Gastric Bypass. His top areas of expertise are Obesity, Cellulitis, Gangrene, Gallbladder Removal, and Sleeve Gastrectomy.

    Natalie Liu
    Experienced in Gastric Bypass
    General Surgery | Counselor | Bariatric Medicine
    Experienced in Gastric Bypass
    General Surgery | Counselor | Bariatric Medicine

    Endeavor Health Medical Group

    2050 Pfingsten Rd., Suite 128, 
    Glenview, IL 
    Experience:
    10+ years
    Languages Spoken:
    English
    Offers Telehealth

    Natalie Liu, MD, a gastrointestinal and general surgeon at Endeavor Health, specializes in minimally invasive and endoscopic procedures to treat conditions of the esophagus, stomach, gallbladder and abdominal wall. She offers advanced surgical options for obesity, reflux, hernias and gallbladder disease, using laparoscopic, robotic and endoscopic techniques to support recovery and outcomes. Dr. Liu partners closely with each patient to create a personalized treatment plan that aligns with their health goals and needs. Dr. Liu is rated as an Experienced provider by MediFind in Gastric Bypass. Her top areas of expertise are Hernia, Obesity, Achalasia, Gastric Bypass, and Gastrectomy.

    Herbert Hedberg
    Experienced in Gastric Bypass
    General Surgery | Counselor | Bariatric Medicine
    Experienced in Gastric Bypass
    General Surgery | Counselor | Bariatric Medicine

    Endeavor Health Medical Group

    757 Park Ave. West, Suite 2850, 
    Highland Park, IL 
    Languages Spoken:
    English
    Offers Telehealth

    H. Mason Hedberg, MD, a minimally invasive gastrointestinal and general surgeon at Endeavor Health, uses advanced surgical techniques to improve outcomes and reduce recovery time. He is especially interested in using small-incision and endoscopic approaches to address conditions that affect patients' quality of life. Dr. Hedberg is also exploring the use of gastric stimulation and other technologies to treat complex GI disorders through less invasive means. Dr. Hedberg is rated as an Experienced provider by MediFind in Gastric Bypass. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Hernia, Hiatal Hernia, Endoscopy, and Gastrectomy.

    Melissa Hogg
    Experienced in Gastric Bypass
    Surgical Oncology | General Surgery
    Experienced in Gastric Bypass
    Surgical Oncology | General Surgery

    Endeavor Health Medical Group

    2650 Ridge Ave., Kellogg Cancer Center, 
    Evanston, IL 
    Languages Spoken:
    English
    Offers Telehealth

    Melissa Hogg, MD, a surgical oncologist at Endeavor Health, provides advanced, minimally invasive surgical care for patients with cancer and complex conditions. She specializes in robotic-assisted procedures and evidence-based treatment strategies that promote both longevity and quality of life. Dr. Hogg is also dedicated to surgical education and innovation, ensuring that advances in technology and training continue to enhance patient safety and outcomes. Dr. Hogg is rated as an Experienced provider by MediFind in Gastric Bypass. Her top areas of expertise are Pancreatic Cancer, Neuroendocrine Tumor, Gastrointestinal Fistula, Pancreaticoduodenectomy, and Pancreatectomy.

    Rami E. Lutfi
    Experienced in Gastric Bypass
    Bariatric Medicine
    Experienced in Gastric Bypass
    Bariatric Medicine

    Chicago Institute Of Advanced Surgery

    200 W Superior St, 
    Chicago, IL 
    Languages Spoken:
    English, Arabic
    Offers Telehealth

    Rami Lutfi is a Bariatric Medicine provider in Chicago, Illinois. Dr. Lutfi is rated as an Experienced provider by MediFind in Gastric Bypass. His top areas of expertise are Obesity, Hiatal Hernia, Hernia, Sleeve Gastrectomy, and Gastrectomy.

    Showing 1-20 of 86

    Last Updated: 02/22/2026

    What is the definition of Gastric Bypass?

    Gastric bypass is surgery that helps you lose weight by changing how your stomach and small intestine handle the food you eat.

    After the surgery, your stomach will be smaller. You will feel full with less food.

    Also, the food you eat will no longer go into some parts of your small intestine that absorb the nutrients in food. Because of this, your body will not get all of the calories from the food you eat.

    When should I see a Gastric Bypass doctor in Illinois, US?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Gastric Bypass doctor in Illinois, US?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Gastric Bypass doctors in Illinois, US?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Gastric Bypass doctors in Illinois, US?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Gastric Bypass doctor in Illinois, US?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Gastric Bypass doctor search results page. 

    Why is it important to get a second opinion from a different Gastric Bypass doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Gastric Bypass doctor in Illinois, US?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Gastric Bypass doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Gastric Bypass doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Gastric Bypass doctors in Illinois, US?

    Look for the filter feature on the left side of the Gastric Bypass doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Gastric Bypass doctor that offers video calls?

    Look for the filter feature on the left-side of the Gastric Bypass doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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