The 20 Best Sitosterolemia Doctors Near Me in O Fallon, MO

Find the Top Sitosterolemia Experts and Specialists

The 20 Best Sitosterolemia Doctors near O Fallon, MO

Last Updated: 02/22/2026

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MediFind found 66 doctor with experience in Sitosterolemia near O Fallon, MO. Of these, 55 are Experienced, 9 are Advanced and 2 are Distinguished.

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66 providers found
    Michael Hemmersmeier
    Advanced in Sitosterolemia
    Family Medicine
    Advanced in Sitosterolemia
    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 Advanced provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Familial Hypertension, Coronary Heart Disease, Sacroiliac Joint Disease, and Hypothyroidism.

    Leonard Hoffmann
    Experienced in Sitosterolemia
    Family Medicine
    Experienced in Sitosterolemia
    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 Sitosterolemia. His top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypothyroidism.

    Advanced in Sitosterolemia
    Internal Medicine
    Advanced in Sitosterolemia
    Internal Medicine

    Office

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

    James Ketchum is a primary care provider, practicing in Internal Medicine in O Fallon, Missouri. Dr. Ketchum is rated as an Advanced provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Sitosterolemia, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension.

    Learn about our expert tiers
    Paul Hinton
    Experienced in Sitosterolemia
    Internal Medicine | Pediatrics
    Experienced in Sitosterolemia
    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 Sitosterolemia. His top areas of expertise are High Cholesterol, Chronic Obstructive Pulmonary Disease (COPD), Type 2 Diabetes (T2D), Endoscopy, and Gastrostomy.

    Advanced in Sitosterolemia
    Internal Medicine
    Advanced in Sitosterolemia
    Internal Medicine

    Office

    2223 Technology Dr Ste 35, 
    O Fallon, MO 
     (4.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Geraldine Ryan is a primary care provider, practicing in Internal Medicine in O Fallon, Missouri. Dr. Ryan is rated as an Advanced provider by MediFind in the treatment of Sitosterolemia. Her top areas of expertise are Melorheostosis with Osteopoikilosis, Melorheostosis, Osteopenia, and Sitosterolemia.

    Chandra Wiewel
    Experienced in Sitosterolemia
    Family Medicine
    Experienced in Sitosterolemia
    Family Medicine

    SSM Health Medical Group

    301 Caledonia Parkway, Suite 150, 
    O Fallon, MO 
     (4.4 miles away)
    Languages Spoken:
    English

    Dr. Wiewel is board certified in family medicine. She completed her internship and residency at the University of North Carolina-Chapel Hill after earning her medical degree at Loyola University in Chicago. Dr. Wiewel has been awarded recognition from the National Committee for Quality Assurance (NCQA) Diabetes Physician Recognition Program for meeting national standards for diabetes care. She began practicing with SSM Health Medical Group in O'Fallon in 2006. Dr. Wiewel values the relationships established as a family medicine physician. She has a special medical interest in preventive health care. Dr. Wiewel 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. Wiewel is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. Her top areas of expertise are Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypothyroidism.

    Wan I. Koo
    Experienced in Sitosterolemia
    Family Medicine
    Experienced in Sitosterolemia
    Family Medicine

    SSM Health Medical Group

    301 Caledonia Parkway, Suite 150, 
    O Fallon, MO 
     (4.4 miles away)
    Languages Spoken:
    English

    Dr. Koo is board certified in family medicine. She completed her internship at Deaconess Health System and completed her residency at Forest Park Hospital. Her medical degree was earned at Kirksville College of Osteopathic Medicine. Dr. Koo has a special medical interest in musculoskeletal injuries and preventative medicine. Dr. Koo is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. Her top areas of expertise are Nephrosclerosis, Renovascular Hypertension, Osmotic Diuresis, and Sciatica.

    Distinguished in Sitosterolemia
    Internal Medicine
    Distinguished in Sitosterolemia
    Internal Medicine

    Office

    6 Jungermann Cir Ste 201, 
    Saint Peters, MO 
     (5.1 miles away)
    Languages Spoken:
    English

    Brian Stufflebam is a primary care provider, practicing in Internal Medicine in Saint Peters, Missouri. Dr. Stufflebam is rated as a Distinguished provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Sitosterolemia, Lung Metastases, Breast Cancer, and High Cholesterol.

    Experienced in Sitosterolemia
    Internal Medicine
    Experienced in Sitosterolemia
    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 Sitosterolemia. Her top areas of expertise are Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Breast Cancer, and Nephrosclerosis.

    Experienced in Sitosterolemia
    Family Medicine
    Experienced in Sitosterolemia
    Family Medicine

    BJC Medical Group At O'Fallon

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

    Anne Hibbard is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Hibbard is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. Her top areas of expertise are Osteomyelitis in Children, Type 2 Diabetes (T2D), Hypothyroidism, and High Cholesterol.

    Experienced in Sitosterolemia
    Family Medicine
    Experienced in Sitosterolemia
    Family Medicine

    BJC Medical Group At O'Fallon

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

    John O'brien is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. O'brien is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Type 2 Diabetes (T2D), Post Polio Syndrome, Hypertension, Colonoscopy, and Endoscopy.

    Experienced in Sitosterolemia
    Family Medicine
    Experienced in Sitosterolemia
    Family Medicine

    Office

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

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

    Experienced in Sitosterolemia
    Internal Medicine
    Experienced in Sitosterolemia
    Internal Medicine

    Outreach Specialty Physicians LLC

    300 Winding Woods Dr Ste 214, 
    O Fallon, MO 
     (3.5 miles away)
    Languages Spoken:
    English

    Kent Cassmeyer is a primary care provider, practicing in Internal Medicine in O Fallon, Missouri. Dr. Cassmeyer is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are High Cholesterol, Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma.

    Experienced in Sitosterolemia
    Family Medicine
    Experienced in Sitosterolemia
    Family Medicine

    Office

    2223 Technology Dr Ste 35, 
    O Fallon, MO 
     (4.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Alison Ball is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Ball is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. Her top areas of expertise are Ulcerative Colitis, Primary Orthostatic Tremor, Sitosterolemia, and Familial Hypertriglyceridemia.

    Experienced in Sitosterolemia
    Family Medicine
    Experienced in Sitosterolemia
    Family Medicine

    Office

    2630 Highway K Ste 100, 
    O Fallon, MO 
     (4.4 miles away)
    Languages Spoken:
    English

    George Stachecki is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Stachecki is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Type 2 Diabetes (T2D), Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Experienced in Sitosterolemia
    Experienced in Sitosterolemia

    BJC Medical Group Cardiology At St Peters

    10 Hospital Dr Ste 100, 
    Saint Peters,, MO 
     (5.1 miles away)
    Languages Spoken:
    English

    Diana Westerfield is a Cardiologist in Saint Peters,, Missouri. Dr. Westerfield is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. Her top areas of expertise are Atrial Fibrillation, Angina, Dilated Cardiomyopathy (DCM), Familial Progressive Cardiac Conduction Defect, and Pacemaker Implantation.

    Experienced in Sitosterolemia
    Cardiology
    Experienced in Sitosterolemia
    Cardiology

    BJC Medical Group Cardiology At St Peters

    10 Hospital Dr Ste 100, 
    Saint Peters,, MO 
     (5.1 miles away)
    Languages Spoken:
    English

    Martin Ast is a Cardiologist in Saint Peters,, Missouri. Dr. Ast is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Atrial Fibrillation, Pediatric Myocarditis, Aortic Regurgitation, Angina, and Pacemaker Implantation.

    Experienced in Sitosterolemia
    Cardiology | Internal Medicine
    Experienced in Sitosterolemia
    Cardiology | Internal Medicine

    SSM Health Heart & Vascular Care

    1475 Kisker Road, 
    St. Charles, MO 
     (6.5 miles away)
    Languages Spoken:
    English

    Robert Lutan is a Cardiologist and an Internal Medicine provider in St. Charles, Missouri. Dr. Lutan is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Arrhythmias, Familial Neurocardiogenic Syncope, Angina, Sick Sinus Syndrome, and Pacemaker Implantation.

    Experienced in Sitosterolemia
    Experienced in Sitosterolemia

    BJC Medical Group At Wentzville

    1520 Wentzville Pkwy, 
    Wentzville,, MO 
     (9.4 miles away)
    Languages Spoken:
    English

    David Kardesch is a Cardiologist in Wentzville,, Missouri. Dr. Kardesch is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Coronary Heart Disease, Arrhythmias, Heart Failure with Preserved Ejection Fraction (HFpEF), Atherosclerosis, and Pacemaker Implantation.

    Advanced in Sitosterolemia
    Family Medicine
    Advanced in Sitosterolemia
    Family Medicine

    Office

    107 Piper Hill Dr Ste 140, 
    Saint Peters, MO 
     (5.1 miles away)
    Languages Spoken:
    English

    Matthew Meyer is a primary care provider, practicing in Family Medicine in Saint Peters, Missouri. Dr. Meyer is rated as an Advanced provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Sitosterolemia, High Cholesterol, Familial Hypertriglyceridemia, and Glucocorticoid-Remediable Aldosteronism.

    Showing 1-20 of 66

    Last Updated: 02/22/2026

    What is the definition of Sitosterolemia?

    Sitosterolemia is a condition in which fatty substances (lipids) from vegetable oils, nuts, and other plant-based foods accumulate in the blood and tissues. These lipids are called plant sterols (or phytosterols). Sitosterol is one of several plant sterols that accumulate in this disorder, with a blood level 30 to 100 times greater than normal. Cholesterol, a similar fatty substance found in animal products, is mildly to moderately elevated in many people with sitosterolemia. Cholesterol levels are particularly high in some affected children. However, some people with sitosterolemia have normal cholesterol levels.

    When should I see a Sitosterolemia 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 Sitosterolemia 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 Sitosterolemia 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 Sitosterolemia 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 Sitosterolemia 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 Sitosterolemia doctor search results page. 

    Why is it important to get a second opinion from a different Sitosterolemia 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 Sitosterolemia 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 Sitosterolemia 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 Sitosterolemia 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 Sitosterolemia doctors near O Fallon, MO?

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

    Look for the filter feature on the left-side of the Sitosterolemia 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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