The 20 Best Peptic Ulcer Doctors Near Me in Lake Saint Louis, MO

Find the Top Peptic Ulcer Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 87 doctor with experience in Peptic Ulcer near Lake Saint Louis, MO. Of these, 71 are Experienced, 13 are Advanced and 2 are Distinguished.

Location
LocationClose
87 providers found
    Distinguished in Peptic Ulcer
    Distinguished in Peptic Ulcer
    Referral may be required

    Office

    20 Progress Point Pkwy Ste 100, 
    O Fallon, MO 
     (3.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Stephanie Sandberg is a General Surgeon practicing medicine in O Fallon, Missouri. Dr. Sandberg is rated as a Distinguished provider by MediFind in the treatment of Peptic Ulcer. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Peptic Ulcer, Necrosis, Primary Intestinal Lymphangiectasia, Meige Disease, and Hernia Surgery. Dr. Sandberg is currently accepting new patients.

    Experienced in Peptic Ulcer
    Experienced in Peptic Ulcer

    SSM Health Medical Group

    1101 Highway K, 
    O Fallon, MO 
     (4.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Hemmersmeier is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Hemmersmeier is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Familial Hypertension, Coronary Heart Disease, Sacroiliac Joint Disease, Hypothyroidism, and Endoscopy. Dr. Hemmersmeier is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Family Medicine , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Hemmersmeier is currently accepting new patients.

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

    Contemporary Womens Healthcare

    20 Progress Point Pkwy Ste 108, 
    O Fallon, MO 
     (6.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jamie Tueth is a primary care provider, practicing in Internal Medicine in O Fallon, Missouri. Dr. Tueth is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Thrombocytopenia, Hypothyroidism, Type 2 Diabetes (T2D), and Obesity in Children. Dr. Tueth is currently accepting new patients.

    Learn about our expert tiers
    Advanced in Peptic Ulcer
    Internal Medicine
    Advanced in Peptic Ulcer
    Internal Medicine
    100 Medical Plaza, Hospitalist, 
    Lake St. Louis, MO 
     (1.6 miles away)
    Languages Spoken:
    English

    Umesh Inampudi is a primary care provider, practicing in Internal Medicine in Lake St. Louis, Missouri. Dr. Inampudi is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Acute Kidney Failure, Acute Pancreatitis, Small Cell Lung Cancer (SCLC), Endoscopy, and Colonoscopy. Dr. Inampudi is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, American Board Of Internal Medicine , and Drug Enforcement Administration .

    Experienced in Peptic Ulcer
    General Surgery
    Experienced in Peptic Ulcer
    General Surgery
    Referral may be required

    SSM Health Medical Group

    300 Medical Plaza, Suite 310, 
    Lake St. Louis, MO 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Mark Leibold is a General Surgeon practicing medicine in Lake St. Louis, Missouri. Dr. Leibold is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Hernia, Choledocholithiasis, Gallbladder Disease, Hernia Surgery, and Colostomy. Dr. Leibold is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Surgery , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Leibold is currently accepting new patients.

    Experienced in Peptic Ulcer
    General Surgery
    Experienced in Peptic Ulcer
    General Surgery
    Referral may be required

    SSM Health Medical Group

    300 Medical Plaza, Suite 310, 
    Lake St. Louis, MO 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    David Nickel is a General Surgeon practicing medicine in Lake St. Louis, Missouri. Dr. Nickel is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Hernia, Gallbladder Disease, Hernia Surgery, and Colostomy. Dr. Nickel is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Surgery , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Nickel is currently accepting new patients.

    Experienced in Peptic Ulcer
    General Surgery
    Experienced in Peptic Ulcer
    General Surgery
    Referral may be required

    SSM Health Medical Group

    300 Medical Plaza, Suite 310, 
    Lake St. Louis, MO 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Charles Hartman is a General Surgeon practicing medicine in Lake St. Louis, Missouri. Dr. Hartman is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Gallbladder Disease, Gallstones, Choledocholithiasis, Hernia Surgery, and Appendectomy. Dr. Hartman is board certified in American Osteopathic Board General Vascular (Surg) , Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Hartman is currently accepting new patients.

    Advanced in Peptic Ulcer
    Internal Medicine
    Advanced in Peptic Ulcer
    Internal Medicine

    Ssm Health St. Joseph Hospital-Lake Saint Louis

    100 Medical Plz, 
    Lake Saint Louis, MO 
     (1.7 miles away)
    Languages Spoken:
    English

    Romel Izquierdo-Malon is a primary care provider, practicing in Internal Medicine in Lake Saint Louis, Missouri. Dr. Izquierdo-Malon is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses COVID-19, Multisystem Inflammatory Syndrome in Children (MIS-C), End-Stage Renal Disease (ESRD), Endoscopy, and Gastrostomy.

    Advanced in Peptic Ulcer
    Internal Medicine
    Advanced in Peptic Ulcer
    Internal Medicine

    Ssm Health St. Joseph Hospital-Lake Saint Louis

    100 Medical Plz, 
    Lake Saint Louis, MO 
     (1.7 miles away)
    Languages Spoken:
    English, Elamite, Japanese, Spanish

    Amanuel Yohannes is a primary care provider, practicing in Internal Medicine in Lake Saint Louis, Missouri. Dr. Yohannes is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Sepsis, Peptic Ulcer, Acute Kidney Failure, Endoscopy, and Colonoscopy.

    Experienced in Peptic Ulcer
    Pediatrics | Internal Medicine
    Experienced in Peptic Ulcer
    Pediatrics | Internal Medicine
    Referral may be required

    SSM Health Medical Group

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

    Paul Hinton is a primary care provider, practicing in Pediatrics and Internal Medicine in Lake St. Louis, Missouri. Dr. Hinton is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Chronic Obstructive Pulmonary Disease (COPD), Type 2 Diabetes (T2D), Endoscopy, and Gastrostomy. Dr. Hinton is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Pediatrics , Missouri State Board Of Registration, American Board Of Internal Medicine , and Drug Enforcement Administration . Dr. Hinton is currently accepting new patients.

    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 
     (1.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jason Vangundy is a primary care provider, practicing in Family Medicine in Lake St. Louis, Missouri. Dr. Vangundy is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Type 1 Diabetes (T1D), Childhood Iron Deficiency Anemia, End-Stage Renal Disease (ESRD), and Type 2 Diabetes (T2D). Dr. Vangundy is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Family Medicine , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Vangundy is currently accepting new patients.

    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 
     (1.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Brian Smith is a primary care provider, practicing in Family Medicine in Lake St. Louis, Missouri. Dr. Smith is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Migraine, Peripheral Artery Disease, Coronary Heart Disease, and Breast Cancer. Dr. Smith is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Family Medicine , Missouri State Board Of Registration, and Drug Enforcement Administration .

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

    Compass Health Network Wentzville

    1032 Crosswinds Ct, 
    Wentzville, MO 
     (2.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Muhammad Islam is a primary care provider, practicing in Family Medicine in Wentzville, Missouri. Dr. Islam is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Viral Pharyngitis, Cellulitis, Peptic Ulcer, and Acquired Tracheomalacia. Dr. Islam is currently accepting new patients.

    Pediatric Gastroenterology | Pediatrics
    Pediatric Gastroenterology | Pediatrics
    Referral may be required

    SSM Health Cardinal Glennon Pediatrics Specialty Services

    301 Caledonia Parkway, Suite 220, 
    O Fallon, MO 
     (3.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Helen Pappa is a Pediatric Gastroenterologist and a Pediatrics provider practicing medicine in O Fallon, Missouri. Dr. Pappa is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. Her clinical expertise encompasses Viral Gastroenteritis, Crohn's Disease, Malnutrition, Ulcerative Colitis, and Endoscopy. Dr. Pappa is board certified in American Board Of Pediatrics , Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Pediatrics/Gastroenterology , Illinois Department Of Financial & Professional Regulation , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Pappa is currently accepting new patients.

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

    SSM Health Medical Group

    1598 W. Meyer Road, 
    Wentzville, MO 
     (3.9 miles away)
    Languages Spoken:
    English

    Peter Montgomery is a primary care provider, practicing in Family Medicine in Wentzville, Missouri. Dr. Montgomery is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Type 2 Diabetes (T2D), Frontonasal Dysplasia Klippel Feil Syndrome, and Multiple Endocrine Neoplasia Type 1. Dr. Montgomery is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Family Medicine , Missouri State Board Of Registration, and Drug Enforcement Administration .

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

    SSM Health Medical Group

    1598 W. Meyer Road, 
    Wentzville, MO 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Becky Oetting is a primary care provider, practicing in Family Medicine in Wentzville, Missouri. Dr. Oetting is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Infective Endocarditis, Endocarditis, Type 2 Diabetes (T2D), and Familial Hypertension. Dr. Oetting is board certified in American Osteopathic Board Of Family Physicians , Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, and Drug Enforcement Administration .

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

    BJC Medical Group At O'Fallon

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

    Timothy Moore is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Moore is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Peptic Ulcer, Necrosis, Chronic Cough, and Cellulitis.

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

    SSM Health Medical Group

    1101 Highway K, 
    O Fallon, MO 
     (4.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Leonard Hoffmann is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Hoffmann is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Hypothyroidism. Dr. Hoffmann is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Family Medicine , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Hoffmann is currently accepting new patients.

    Experienced in Peptic Ulcer
    General Surgery | Vascular Surgery
    Experienced in Peptic Ulcer
    General Surgery | Vascular Surgery
    Referral may be required
    1300 Hrc Plaza Drive, 
    Lake St. Louis, MO 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Robert Hacker is a General Surgeon and a Vascular Surgeon practicing medicine in Lake St. Louis, Missouri. Dr. Hacker is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Gangrene, Varicose Veins, Carotid Artery Disease, Angioplasty, and Carotid Artery Surgery. Dr. Hacker is board certified in American Board Of Surgery/General-Vascular Surgery , Missouri Dept Of Health/Narcotics&Dangerous Drugs , Illinois Department Of Financial & Professional Regulation , American Board Of Surgery , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Hacker is currently accepting new patients.

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

    Office

    6261 Ronald Reagan Dr Ste B19, 
    Lake Saint Louis, MO 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Scott Roos is a primary care provider, practicing in Family Medicine in Lake Saint Louis, Missouri. Dr. Roos is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Familial Combined Hyperlipidemia, Xanthoma, and Cirrhosis. Dr. Roos is currently accepting new patients.

    Showing 1-20 of 87

    Last Updated: 09/26/2026

    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 Lake Saint Louis, 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 Lake Saint Louis, 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 Lake Saint Louis, 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 Lake Saint Louis, 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 Lake Saint Louis, 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 Lake Saint Louis, 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 Lake Saint Louis, 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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