The 20 Best Peptic Ulcer Doctors Near Me in O Fallon, MO

Find the Top Peptic Ulcer Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 151 doctor with experience in Peptic Ulcer near O Fallon, MO. Of these, 137 are Experienced, 11 are Advanced and 2 are Distinguished.

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151 providers found
    Kevin Weikart
    Experienced in Peptic Ulcer
    Internal Medicine
    Experienced in Peptic Ulcer
    Internal Medicine
    1002 Peruque Crossing Court, Suite 101, 
    O Fallon, MO 
     (3.5 miles away)
    Languages Spoken:
    English

    Kevin Weikart is a primary care provider, practicing in Internal Medicine in O Fallon, Missouri. Dr. Weikart is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. His top areas of expertise are Chronic Cough, Vertigo, Fainting, Endoscopy, and Vertebroplasty.

    Distinguished in Peptic Ulcer
    General Surgery
    Distinguished in Peptic Ulcer
    General Surgery

    Office

    20 Progress Point Pkwy Ste 100, 
    O Fallon, MO 
     (4.4 miles away)
    Languages Spoken:
    English

    Stephanie Sandberg is a General Surgeon in O Fallon, Missouri. Dr. Sandberg is rated as a Distinguished provider by MediFind in the treatment of Peptic Ulcer. Her top areas of expertise are Peptic Ulcer, Necrosis, Meige Disease, Primary Intestinal Lymphangiectasia, and Hernia Surgery.

    Experienced in Peptic Ulcer
    Intensive Care Medicine
    Experienced in Peptic Ulcer
    Intensive Care Medicine

    St. Luke's Surgical Consultants - WingHaven

    5551 Winghaven Blvd, 
    O Fallon, MO 
     (4.9 miles away)
    Languages Spoken:
    English

    Lauren Sappington is an Intensive Care Medicine provider in O Fallon, Missouri. Dr. Sappington is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. Her top areas of expertise are Venous Insufficiency, Chronic Subdural Hematoma, Retroperitoneal Inflammation, and Subdural Hematoma.

    Learn about our expert tiers
    Michael Hemmersmeier
    Experienced in Peptic Ulcer
    Family Medicine
    Experienced in Peptic Ulcer
    Family Medicine

    SSM Health Medical Group

    1101 Highway K, 
    O Fallon, MO 
     (1.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Dr. Hemmersmeier is board certified in family medicine. He completed his residency at Deaconess Hospital - St. Louis after earning his medical degree at Kirksville College of Osteopathic Medicine. Dr. Hemmersmeier has been in practice in O'Fallon, MO since 1998. He has a special interest in sports medicine and has volunteered as a coach in the community and at his church in conjunction with his children's athletic interests. Dr. Hemmersmeier has been awarded recognition from the National Committee for Quality Assurance (NCQA) Diabetes and Stroke Physician Recognition Programs for meeting national standards for diabetes and stroke care. Dr. Hemmersmeier is part of a Patient-Centered Medical Home. Dr. Hemmersmeier uses telehealth services to conduct video office visits with current, established patients for: upper respiratory infection, sore throat, cough, seasonal allergies, skin rashes or lesions, mouth and cold sores, flu symptoms, conjunctivitis, UTI, gout, yeast infection and travel medication. A forward-facing camera and internet access are required, and a tablet or computer/laptop may be used. Telehealth appointments can be scheduled online through MyChart. Dr. Hemmersmeier is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. His top areas of expertise are Familial Hypertension, Coronary Heart Disease, Sacroiliac Joint Disease, and Hypothyroidism.

    Leonard Hoffmann
    Experienced in Peptic Ulcer
    Family Medicine
    Experienced in Peptic Ulcer
    Family Medicine

    SSM Health Medical Group

    1101 Highway K, 
    O Fallon, MO 
     (1.0 miles away)
    Languages Spoken:
    English

    Dr. Hoffmann is board certified in family medicine. He completed his internship and residency at Deaconess Health System in St. Louis. His medical degree was earned at Loyola University of Chicago. Dr. Hoffmann has been in practice since 1999; he has been with SSM Health in O'Fallon, MO since 2002. Dr. Hoffmann's special medical interests include sports medicine, preventive medicine, hypertension, and diabetes. Dr. Hoffmann has been awarded recognition from the National Committee for Quality Assurance (NCQA) Diabetes Physician Recognition Program for meeting national standards for diabetes care. Dr. Hoffman uses telehealth services to conduct video office visits with current, established patients for: upper respiratory infection, sore throat, cough, seasonal allergies, skin rashes or lesions, mouth and cold sores, flu symptoms, conjunctivitis, UTI, gout, yeast infection and travel medication. A forward-facing camera and internet access are required, and a tablet or computer/laptop may be used. Telehealth appointments can be scheduled online through MyChart. Dr. Hoffmann is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. His top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Hypothyroidism.

    Advanced in Peptic Ulcer
    Family Medicine
    Advanced in Peptic Ulcer
    Family Medicine

    BJC Medical Group At O'Fallon

    2630 Highway K, 
    O Fallon, MO 
     (2.7 miles away)
    Languages Spoken:
    English

    Ximena Schnurr is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Schnurr is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. Her top areas of expertise are Peptic Ulcer, Necrosis, Iron Deficiency Anemia, and Type 2 Diabetes (T2D).

    Paul Hinton
    Experienced in Peptic Ulcer
    Internal Medicine | Pediatrics
    Experienced in Peptic Ulcer
    Internal Medicine | Pediatrics

    SSM Health Medical Group

    400 Medical Plaza, Suite 200, 
    Lake St. Louis, MO 
     (4.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Paul Hinton, MD, is an internist and pediatrician who provides comprehensive primary care services on an outpatient basis for patients of all ages, from newborns to adults. He specializes in preventive care; diagnosing, treating, and managing common conditions; and identifying and addressing mental health issues. Dr. Hinton provides quality medical care for his patients, while empowering them to take better care of themselves. Utilizing current medical therapies and positive behavior, he encourages his patients to have the best mind, body, and spirit possible. His patients appreciate how compassionate, thorough, reliable, and friendly he is during their office visits, taking the time to listen to their concerns and answer questions accordingly. Dr. Hinton is a member of the American Academy of Pediatrics and the American Board of Internal Medicine. Fun fact: Dr. Hinton never considered a career in medicine until he took his first biology class in college. Dr. Hinton is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. His top areas of expertise are High Cholesterol, Chronic Obstructive Pulmonary Disease (COPD), Type 2 Diabetes (T2D), Endoscopy, and Gastrostomy.

    Jason Vangundy
    Experienced in Peptic Ulcer
    Family Medicine
    Experienced in Peptic Ulcer
    Family Medicine

    SSM Health Medical Group

    400 Medical Plaza, Suite 200, 
    Lake St. Louis, MO 
     (4.0 miles away)
    Languages Spoken:
    English

    Dr. VanGundy is board certified in family medicine. He completed his internship at Genesis Education Foundation-University of Iowa and then completed his residency at the Quad Cities Practice Program. Dr. VanGundy earned his medical degree from the University of Iowa Carver College of Medicine in Iowa City. He has been practicing in St. Charles County since 2001 and has been with SSM since 2003. Dr. VanGundy has a special medical interest in sports medicine and pediatrics. Dr. VanGundy uses telehealth services to conduct video office visits with current, established patients for: upper respiratory infection, sore throat, cough, seasonal allergies, skin rashes or lesions, mouth and cold sores, flu symptoms, conjunctivitis, UTI, gout, yeast infection and travel medication. A forward-facing camera and internet access are required, and a tablet or computer/laptop may be used. Telehealth appointments can be scheduled online through MyChart. Dr. Vangundy is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. His top areas of expertise are Type 1 Diabetes (T1D), Childhood Iron Deficiency Anemia, End-Stage Renal Disease (ESRD), and Type 2 Diabetes (T2D).

    Brian Smith
    Experienced in Peptic Ulcer
    Family Medicine
    Experienced in Peptic Ulcer
    Family Medicine

    SSM Health Medical Group

    400 Medical Plaza, Suite 200, 
    Lake St. Louis, MO 
     (4.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Dr. Smith is board certified in family medicine. He completed his internship and residency at Genesis Education Foundation-University of Iowa after earning his medical degree at Southern Illinois University in Springfield. Dr. Smith has been practicing in St. Charles County since 2001 and has been with SSM since 2003. He has a special medical interest in geriatrics and adult preventative health. Dr. Smith uses telehealth services to conduct video office visits with current, established patients for: upper respiratory infection, sore throat, cough, seasonal allergies, skin rashes or lesions, mouth and cold sores, flu symptoms, conjunctivitis, UTI, gout, yeast infection and travel medication. A forward-facing camera and internet access are required, and a tablet or computer/laptop may be used. Telehealth appointments can be scheduled online through MyChart. Dr. Smith is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. His top areas of expertise are Migraine, Peripheral Artery Disease, Coronary Heart Disease, and Breast Cancer.

    Mark Leibold
    Experienced in Peptic Ulcer
    General Surgery
    Experienced in Peptic Ulcer
    General Surgery

    SSM Health Medical Group

    300 Medical Plaza, Suite 310, 
    Lake St. Louis, MO 
     (4.1 miles away)
    Languages Spoken:
    English

    "Thomas Leibold, MD, FACS, completed an advanced laparoscopic surgery fellowship at the University of Virginia in 2006. He is certified to perform laparoscopic gastric, colon, spleen, adrenal, reflex, and hernia surgery, as well as general and endocrine surgery. Dr. Leibold served his general surgery residency at Emory University Hospital in Atlanta. His medical degree is from the University of Florida. Dr. Leibold also holds bachelor's degrees in industrial engineering and applied mathematics, both of which were earned at Georgia Institute of Technology. ""For those who require surgery, I am pleased to be able to provide the latest in advanced laparoscopic surgery to help ensure the best surgical outcomes for my patients,"" Dr. Leibold said.". Dr. Leibold is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. His top areas of expertise are Hernia, Choledocholithiasis, Gallbladder Disease, Hernia Surgery, and Colostomy.

    David Nickel
    Experienced in Peptic Ulcer
    General Surgery
    Experienced in Peptic Ulcer
    General Surgery

    SSM Health Medical Group

    300 Medical Plaza, Suite 310, 
    Lake St. Louis, MO 
     (4.1 miles away)
    Languages Spoken:
    English

    David Nickel, MD, FACS, is board certified in general surgery and has received advanced training in laparoscopic surgery. Dr. Nickel completed the general surgery residency at the University of Kansas Medical Center in 2000. His medical degree was earned at the University of Nebraska Medical Center. Dr. Nickel's undergraduate degree is from the University of Colorado at Boulder, where he completed a double science major in molecular, cellular and developmental biology and biochemistry. In addition to his general surgery experience, Dr. Nickel has participated in continuing education programs such as the Laparoscopic Colectomy Symposium at the University of Texas Southwestern Medical Center in Dallas, which provided additional training in minimally invasive colon cancer surgery, one of Dr. Nickel's areas of concentration. Dr. Nickel has received the St. Louis Magazine Top Doctors award every year from 2016 to 2022. Dr. Nickel is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. His top areas of expertise are Familial Colorectal Cancer, Hernia, Gallbladder Disease, Hernia Surgery, and Colostomy.

    Charles Hartman
    Experienced in Peptic Ulcer
    General Surgery
    Experienced in Peptic Ulcer
    General Surgery

    SSM Health Medical Group

    300 Medical Plaza, Suite 310, 
    Lake St. Louis, MO 
     (4.1 miles away)
    Languages Spoken:
    English

    Bob Hartman, DO, FACOS, has been in practice since 1996. He is a graduate of the University of Missouri-Columbia and received his medical degree from Kirksville College of Osteopathic Medicine. He served his general surgery residency at Deaconess West Medical Center in St. Louis and had a vascular surgery fellowship at Chicago College of Osteopathic Medicine-Midwestern University. Dr. Hartman is board certified in general and vascular surgery and is welcoming new general surgery and vascular surgery patients. In addition, he serves at SSM Health St. Joseph Hospital - Lake Saint Louis as Trauma Director. Dr. Hartman is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. His top areas of expertise are Gallbladder Disease, Gallstones, Choledocholithiasis, Cholecystitis, and Hernia Surgery.

    Andrew Hellenga
    Experienced in Peptic Ulcer
    Family Medicine | Hospital Medicine | Internal Medicine
    Experienced in Peptic Ulcer
    Family Medicine | Hospital Medicine | Internal Medicine
    100 Medical Plaza, Hospitalists, 
    Lake St. Louis, MO 
     (4.1 miles away)
    Languages Spoken:
    English

    Andrew Hellenga is a primary care provider, practicing in Internal Medicine and Family Medicine in Lake St. Louis, Missouri. Dr. Hellenga is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. His top areas of expertise are Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, Sepsis, Colonoscopy, and Endoscopy.

    Robert Hacker
    Experienced in Peptic Ulcer
    General Surgery | Vascular Surgery
    Experienced in Peptic Ulcer
    General Surgery | Vascular Surgery
    1300 Hrc Plaza Drive, 
    Lake St. Louis, MO 
     (5.7 miles away)
    Languages Spoken:
    English

    Robert Hacker is a General Surgeon and a Vascular Surgeon in Lake St. Louis, Missouri. Dr. Hacker is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. His top areas of expertise are Gangrene, Varicose Veins, Carotid Artery Disease, Angioplasty, and Carotid Artery Surgery.

    Experienced in Peptic Ulcer
    Internal Medicine
    Experienced in Peptic Ulcer
    Internal Medicine

    BJC Medical Group At O'Fallon

    2630 Highway K, 
    O Fallon, MO 
     (2.7 miles away)
    Languages Spoken:
    English

    Judith Dibble is a primary care provider, practicing in Internal Medicine in O Fallon, Missouri. Dr. Dibble is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. Her top areas of expertise are Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Breast Cancer, and Nephrosclerosis.

    Experienced in Peptic Ulcer
    Internal Medicine
    Experienced in Peptic Ulcer
    Internal Medicine
    1002 Peruque Crossing Court, Suite 102, 
    O Fallon, MO 
     (3.5 miles away)
    Languages Spoken:
    English

    Matthew Meier is a primary care provider, practicing in Internal Medicine in O Fallon, Missouri. Dr. Meier is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. His top areas of expertise are Transient Familial Hyperbilirubinemia, Congenital Hypothyroidism, Thyroid Dysgenesis, Colonoscopy, and Endoscopy.

    Experienced in Peptic Ulcer
    Internal Medicine
    Experienced in Peptic Ulcer
    Internal Medicine

    Office

    300 Winding Woods Dr Ste 218, 
    O Fallon, MO 
     (3.5 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English
    Offers Telehealth

    James Ketchum is a primary care provider, practicing in Internal Medicine in O Fallon, Missouri. Dr. Ketchum has been practicing medicine for over 44 years and is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. His top areas of expertise are Sitosterolemia, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

    Experienced in Peptic Ulcer
    Family Medicine
    Experienced in Peptic Ulcer
    Family Medicine

    Office

    300 Winding Woods Dr Ste 222, 
    O Fallon, MO 
     (3.5 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Alyssa Keller is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Keller has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. Her top areas of expertise are Phantom Limb Pain, Generalized Anxiety Disorder (GAD), High Cholesterol, and Familial Hypertension.

    Experienced in Peptic Ulcer
    Palliative Medicine | Internal Medicine
    Experienced in Peptic Ulcer
    Palliative Medicine | Internal Medicine
    100 Medical Plaza, Hospitalists, 
    Lake St. Louis, MO 
     (4.1 miles away)
    Languages Spoken:
    English

    Jingjuan Min is a primary care provider, practicing in Palliative Medicine and Internal Medicine in Lake St. Louis, Missouri. Dr. Min is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. Her top areas of expertise are Sepsis, Pneumonia, Peptic Ulcer, Endoscopy, and Gastrostomy.

    Experienced in Peptic Ulcer
    Family Medicine
    Experienced in Peptic Ulcer
    Family Medicine
    100 Medical Plaza, 
    Lake St. Louis, MO 
     (4.1 miles away)
    Languages Spoken:
    English

    Sandhya Grandhi is a primary care provider, practicing in Family Medicine in Lake St. Louis, Missouri. Dr. Grandhi is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. Her top areas of expertise are Apoplexy, Heart Attack, Radiation Enteritis, Ureteroscopy, and Endoscopy.

    Showing 1-20 of 151

    Last Updated: 04/28/2026

    What is the definition of Peptic Ulcer?

    A peptic ulcer is an open sore or raw area in the lining of the stomach (gastric ulcer) or in the first part of the small intestine (duodenal ulcer).

    There are two types of peptic ulcers:

    • Gastric ulcer -- occurs in the stomach
    • Duodenal ulcer -- occurs in the first part of the small intestine

    When should I see a Peptic Ulcer doctor near O Fallon, MO?

    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 Peptic Ulcer doctor near O Fallon, MO?

    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 Peptic Ulcer doctors near O Fallon, MO?

    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 Peptic Ulcer doctors near O Fallon, MO?

    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 Peptic Ulcer doctor near O Fallon, MO?

    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 Peptic Ulcer doctor search results page. 

    Why is it important to get a second opinion from a different Peptic Ulcer 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 Peptic Ulcer doctor near O Fallon, MO?

    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 Peptic Ulcer 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 Peptic Ulcer 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 Peptic Ulcer doctors near O Fallon, MO?

    Look for the filter feature on the left side of the Peptic Ulcer 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 Peptic Ulcer doctor that offers video calls?

    Look for the filter feature on the left-side of the Peptic Ulcer 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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