The 20 Best Gastric Bypass Doctors in District of Columbia, US

Find the Experts and Specialists who perform Gastric Bypass

Last Updated: 06/30/2026

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MediFind found 11 doctor with experience in Gastric Bypass near District of Columbia, US. Of these, 8 are Experienced and 2 are Advanced.

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11 providers found
    Experienced in Gastric Bypass
    Gastroenterology
    Experienced in Gastric Bypass
    Gastroenterology
    Referral may be required

    Sibley Memorial Hospital

    5215 Loughboro Road Northwest, Suite 330, Suite 330, 
    Washington, DC 
    Languages Spoken:
    English
    Offers Telehealth

    Margaret “Geri” Keane is a gastroenterologist specializing in Therapeutic and Bariatric endoscopy. She primarily treats people who require assistance with weight loss or who have weight regain or a complication following Bariatric Surgery. She offers the full range of minimally invasive endoscopic approaches to weight loss, including endoscopic sleeve gastroplasty, the gastric balloon procedure or transoral gastric outlet reduction. She also sees patients who have biliary complaints such as bile duct stones or strictures, cancers of the bile duct or and diseases of the pancreas such as pancreatic cysts, to name a few. She performs all forms of therapeutic EUS and ERCP including cholangioscopy. Dr. Keane earned her medical degree at Guy’s, King’s and St Thomas’ Medical school in London. She completed her internal medicine residency at The Hammersmith and Charing Cross hospitals in London, followed by a fellowship in gastroenterology and hepatology at University College London Hospitals, the Royal Free Hospital and King’s College Hospital in London. During her gastroenterology fellowship, Dr. Keane undertook a master’s degree in medical education and a Ph.D. at University College London. Her doctorate explored novel diagnostic and therapeutic strategies for the management of pancreatic cysts. Following her gastroenterology fellowship, Dr. Keane completed a fellowship in hepatology and endoscopic retrograde cholangiopancreatography/endoscopic ultrasound at King’s College London, followed by a two-year advanced endoscopy fellowship at Johns Hopkins. She is certified in general internal medicine, gastroenterology and hepatology by the Joint Royal Colleges of Physicians Training Board of the United Kingdom. She is a member of the Royal College of Physicians of the United Kingdom and is a fellow of the Higher Education Academy. She is a recipient of the American Society for Gastrointestinal Endoscopy 2022 Endoscopic Training Award, which enabled her to gain dedicated training in bariatric endoscopy at Mohak bariatric center in Indore, India, one of the busiest bariatric centers in the world. Dr. Keane’s research interests include Bariatric Endoscopy, Endoscopic innovation and early diagnostic strategies for pancreatic and biliary tract cancers including the management of pancreatic cysts. She has published more than 70 original articles, editorials, book chapters and review articles. Dr. Keane is rated as an Experienced provider by MediFind in Gastric Bypass. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Bile Duct Obstruction, Pancreatic Cancer, Cholestasis, Endoscopy, and Hepato-Pancreato-Biliary Surgery.

    Experienced in Gastric Bypass
    Gastroenterology
    Experienced in Gastric Bypass
    Gastroenterology
    Referral may be required

    Sibley Memorial Hospital

    5215 Loughboro Road Northwest, Suite 330, Suite 330, 
    Washington, DC 
    Languages Spoken:
    English, Bengali
    Offers Telehealth

    Gastroenterologist Zadid Haq specializes in the diagnosis and management of common gastrointestinal conditions, including colorectal cancer, gastroesophageal reflux disease (GERD), inflammatory bowel disease, constipation, and diarrhea, with a clinical focus on evidence-based, patient-centered care. Dr. Haq earned a medical degree from Louisiana State University Health Sciences Center. He completed an internal medicine residency at The Johns Hopkins University School of Medicine and clinical fellowship training in gastroenterology and hepatology at The Johns Hopkins Hospital. Dr. Haq studies clinical outcomes related to diagnosis and treatment across a broad spectrum of gastrointestinal conditions. Dr. Haq is rated as an Experienced provider by MediFind in Gastric Bypass. His clinical expertise encompasses Colitis, Viral Gastroenteritis, Ulcerative Colitis, Hemorrhagic Proctocolitis, and Gastric Bypass. Dr. Haq is board certified in American Board Of Internal Medicine.

    General Surgery | Bariatric Medicine
    General Surgery | Bariatric Medicine
    Referral may be required

    Sibley Memorial Hospital

    5215 Loughboro Road Northwest, Suite 210, Suite 210, 
    Washington, DC 
    Languages Spoken:
    English
    Offers Telehealth

    Dr. Drew Jung is an assistant professor of surgery in the Johns Hopkins Department of Surgery. He is an expert in minimally invasive surgery whose clinical focus is in laparoscopic and robotic surgeries. He has specialties in open and laparoscopic hernias, bariatrics, foregut, and quality improvement as it pertains to quality of care. Dr. Jung is focused on being able to get patients back on their feet sooner and have the potential to get back to work sooner than before. He is open to accepting all new patients to provide his expertise. Videos Dr. Andrew Jung M.D Bio Video. Dr. Jung is rated as undefined provider by MediFind in Gastric Bypass. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Hernia, Hemolytic Transfusion Reaction, Low Blood Pressure, Sleeve Gastrectomy, and Gastrectomy. Dr. Jung is board certified in American Board Of Surgery.

    Learn about our expert tiers
    Experienced in Gastric Bypass
    Bariatric Medicine
    Experienced in Gastric Bypass
    Bariatric Medicine
    Referral may be required

    Hu Faculty Practice Plan-Plastics Surgery & Bariatrics

    2041 Georgia Ave NW Ste 4100B, 
    Washington, DC 
    Languages Spoken:
    English

    Terrence Fullum is a Bariatric Medicine provider practicing medicine in Washington, Washington, D.c.. Dr. Fullum is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Obesity, Hernia, Choledocholithiasis, Gallbladder Removal, and Gastric Bypass.

    Advanced in Gastric Bypass
    Gastroenterology
    Advanced in Gastric Bypass
    Gastroenterology
    Referral may be required

    Frederick C. Finelli MD

    106 Irving St NW Ste 3400, 
    Washington, DC 
    Languages Spoken:
    English

    Timothy Koch is a Gastroenterologist practicing medicine in Washington, Washington, D.c.. Dr. Koch is rated as an Advanced provider by MediFind in Gastric Bypass. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Obesity, Malnutrition, Swallowing Difficulty, Sleeve Gastrectomy, and Gastrectomy.

    Advanced in Gastric Bypass
    General Surgery
    Advanced in Gastric Bypass
    General Surgery
    Referral may be required

    George Washington University Hospital

    900 23rd St NW, 
    Washington, DC 
    Languages Spoken:
    English

    John Corbett is a General Surgeon practicing medicine in Washington, Washington, D.c.. Dr. Corbett is rated as an Advanced provider by MediFind in Gastric Bypass. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Obesity, Gastric Bypass, and Gastrectomy.

    Experienced in Gastric Bypass
    Gastroenterology
    Experienced in Gastric Bypass
    Gastroenterology
    Referral may be required

    Sibley Memorial Hospital

    5215 Loughboro Road Northwest, Suite 330, Suite 330, 
    Washington, DC 
    Languages Spoken:
    English, Spanish
    Offers Telehealth

    Olaya Gutierrez is a Gastroenterologist practicing medicine in Washington, Washington, D.c.. Dr. Gutierrez is rated as an Experienced provider by MediFind in Gastric Bypass. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Achalasia, Gastroesophageal Reflux Disease (GERD), Hiatal Hernia, Endoscopy, and Lithotripsy.

    Experienced in Gastric Bypass
    General Surgery
    Experienced in Gastric Bypass
    General Surgery
    Referral may be required

    Gw General Surgery-Foggy Bottom South Pavilion

    Washington, DC 
    Languages Spoken:
    English

    Khashayar Vaziri is a General Surgeon practicing medicine in Washington, Washington, D.c.. Dr. Vaziri 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 Hernia, Gallstones, Gallbladder Disease, Endoscopy, and Gastrectomy.

    Experienced in Gastric Bypass
    General Surgery
    Experienced in Gastric Bypass
    General Surgery
    Referral may be required

    George Washington University Hospital

    900 23rd St NW, 
    Washington, DC 
    Languages Spoken:
    English

    Rachel Sillcox is a General Surgeon practicing medicine in Washington, Washington, D.c.. Dr. Sillcox is rated as an Experienced provider by MediFind in Gastric Bypass. Her clinical expertise encompasses Hiatal Hernia, Diaphragmatic Hernia, Gastroesophageal Reflux Disease (GERD), Gastric Bypass, and Gastrectomy.

    Experienced in Gastric Bypass
    Surgical Oncology
    Experienced in Gastric Bypass
    Surgical Oncology
    Referral may be required

    MedStar Health: Betty Lou Ourisman Breast Health Center

    3800 Reservoir Rd NW, 
    Washington, DC 
    Languages Spoken:
    English

    Ian Greenwalt is a Surgical Oncologist practicing medicine in Washington, Washington, D.c.. Dr. Greenwalt 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 Breast Cancer, Paget Disease of the Breast, Inflammatory Breast Cancer, Mastectomy, and Gastric Bypass.

    Experienced in Gastric Bypass
    General Surgery
    Experienced in Gastric Bypass
    General Surgery
    Referral may be required

    MedStar Health General Surgery

    3007 Tilden St NW, 
    Washington, DC 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Yewande Alimi is a General Surgeon practicing medicine in Washington, Washington, D.c.. Dr. Alimi is rated as an Experienced provider by MediFind in Gastric Bypass. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Hernia, Obesity, Umbilical Hernia, Gastrectomy, and Endoscopy. Dr. Alimi is currently accepting new patients.

    Showing 1-11 of 11

    Last Updated: 06/30/2026

    When should I see a Gastric Bypass doctor in District of Columbia, 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 District of Columbia, 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 District of Columbia, 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 District of Columbia, 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 District of Columbia, 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 District of Columbia, 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 District of Columbia, 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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