The 20 Best Low Sodium Level Doctors Near Me in O Fallon, MO

Find the Top Low Sodium Level Experts and Specialists

Last Updated: 02/22/2026

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MediFind found 71 doctor with experience in Low Sodium Level near O Fallon, MO. Of these, 64 are Experienced, 6 are Advanced and 1 are Distinguished.

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71 providers found
    Michael Hemmersmeier
    Experienced in Low Sodium Level
    Family Medicine
    Experienced in Low Sodium Level
    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 Low Sodium Level. His top areas of expertise are Familial Hypertension, Coronary Heart Disease, Sacroiliac Joint Disease, and Hypothyroidism.

    Brian Smith
    Experienced in Low Sodium Level
    Family Medicine
    Experienced in Low Sodium Level
    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 Low Sodium Level. His top areas of expertise are Migraine, Peripheral Artery Disease, Coronary Heart Disease, and Breast Cancer.

    Andrew Hellenga
    Experienced in Low Sodium Level
    Family Medicine | Hospital Medicine | Internal Medicine
    Experienced in Low Sodium Level
    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 Low Sodium Level. His top areas of expertise are Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, Sepsis, Colonoscopy, and Endoscopy.

    Learn about our expert tiers
    Experienced in Low Sodium Level
    Internal Medicine
    Experienced in Low Sodium Level
    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 Low Sodium Level. Her top areas of expertise are Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Breast Cancer, and Nephrosclerosis.

    Experienced in Low Sodium Level
    Family Medicine
    Experienced in Low Sodium Level
    Family Medicine

    BJC Medical Group At O'Fallon

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

    Matthew Beckerdite is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Beckerdite is rated as an Experienced provider by MediFind in the treatment of Low Sodium Level. His top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and High Cholesterol.

    Experienced in Low Sodium Level
    Family Medicine
    Experienced in Low Sodium Level
    Family Medicine

    BJC Medical Group At O'Fallon

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

    Jyoti Kulkarni is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Kulkarni is rated as an Experienced provider by MediFind in the treatment of Low Sodium Level. Her top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Hypercalcemia, and Milk-Alkali Syndrome.

    Experienced in Low Sodium Level
    Experienced in Low Sodium Level
    1000 Edgewater Pt, Suite 303, 
    Lake St. Louis, MO 
     (3.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Geetha Balasubramanian is a Nephrologist in Lake St. Louis, Missouri. Dr. Balasubramanian is rated as an Experienced provider by MediFind in the treatment of Low Sodium Level. Her top areas of expertise are Acute Kidney Failure, Acute Tubular Necrosis, Chronic Kidney Disease, and End-Stage Renal Disease (ESRD).

    Experienced in Low Sodium Level
    Internal Medicine
    Experienced in Low Sodium Level
    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 Low Sodium Level. His top areas of expertise are Transient Familial Hyperbilirubinemia, Congenital Hypothyroidism, Thyroid Dysgenesis, Colonoscopy, and Endoscopy.

    Experienced in Low Sodium Level
    Internal Medicine
    Experienced in Low Sodium Level
    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 Experienced provider by MediFind in the treatment of Low Sodium Level. His top areas of expertise are Sitosterolemia, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension.

    Experienced in Low Sodium Level
    Family Medicine
    Experienced in Low Sodium Level
    Family Medicine
    100 Medical Plaza, Hospitalists, 
    Lake St. Louis, MO 
     (4.1 miles away)
    Languages Spoken:
    English

    Krishna Syamala is a primary care provider, practicing in Family Medicine in Lake St. Louis, Missouri. Dr. Syamala is rated as an Experienced provider by MediFind in the treatment of Low Sodium Level. His top areas of expertise are Saddle Pulmonary Embolism, Sepsis, Apoplexy, Endoscopy, and Gastrostomy.

    Experienced in Low Sodium Level
    Palliative Medicine | Internal Medicine
    Experienced in Low Sodium Level
    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 Low Sodium Level. Her top areas of expertise are Sepsis, Pneumonia, Peptic Ulcer, Endoscopy, and Gastrostomy.

    Experienced in Low Sodium Level
    Family Medicine
    Experienced in Low Sodium Level
    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 Low Sodium Level. Her top areas of expertise are Radiation Enteritis, Hospital-Acquired Pneumonia, Atypical Pneumonia, Ureteroscopy, and Endoscopy.

    Experienced in Low Sodium Level
    Internal Medicine | Nephrology
    Experienced in Low Sodium Level
    Internal Medicine | Nephrology
    2 Harbor Bend Court, Suite 227, 
    Lake St. Louis, MO 
     (4.3 miles away)
    Languages Spoken:
    English

    Piotr Dyk is an Internal Medicine specialist and a Nephrologist in Lake St. Louis, Missouri. Dr. Dyk is rated as an Experienced provider by MediFind in the treatment of Low Sodium Level. His top areas of expertise are Chronic Kidney Disease, End-Stage Renal Disease (ESRD), Acute Kidney Failure, Acute Tubular Necrosis, and Endoscopy.

    Experienced in Low Sodium Level
    Family Medicine
    Experienced in Low Sodium Level
    Family Medicine

    Office

    5551 Winghaven Blvd Ste 142, 
    O Fallon, MO 
     (4.4 miles away)
    Languages Spoken:
    English

    Nelson Usry is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Usry is rated as an Experienced provider by MediFind in the treatment of Low Sodium Level. His top areas of expertise are Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Idiopathic Edema.

    Experienced in Low Sodium Level
    Family Medicine
    Experienced in Low Sodium Level
    Family Medicine

    St. Luke's Tri-County Family Practice - WingHaven

    5551 Winghaven Blvd Ste 142, 
    O Fallon, MO 
     (4.4 miles away)
    Languages Spoken:
    English

    Jennifer Knox is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Knox is rated as an Experienced provider by MediFind in the treatment of Low Sodium Level. Her top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Obesity.

    Megan Renner
    Experienced in Low Sodium Level
    Family Medicine
    Experienced in Low Sodium Level
    Family Medicine

    SSM Health Medical Group

    1475 Kisker Road, Suite 200, 
    St. Charles, MO 
     (6.5 miles away)
    Languages Spoken:
    English

    "Megan Renner, DO, is a board-certified family medicine specialist. She received her medical degree from Kansas City University of Medicine and Biosciences and completed her residency at the University of Missouri-Columbia. Dr. Renner is a member of the American Academy of Family Physicians, Missouri Academy of Family Physicians, American Osteopathic Association, and Missouri Association of Osteopathic Physicians and Surgeons. Dr. Renner has special medical interest in geriatrics, sports medicine, and preventative medicine. She also sees patients of all ages. *""What I love about family medicine is having the opportunity to treat patients of all ages. Each day brings a new opportunity to make a difference in the lives of my patients. By developing lasting partnerships with my patients, I have the privilege of getting to treat the whole patient and not just the illness."" - Megan Renner, DO*". Dr. Renner is rated as an Experienced provider by MediFind in the treatment of Low Sodium Level. Her top areas of expertise are Type 2 Diabetes (T2D), Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Advanced in Low Sodium Level
    Internal Medicine | Nephrology
    Advanced in Low Sodium Level
    Internal Medicine | Nephrology
    70 Jungermann Circle, Suite 302, 
    St. Peters, MO 
     (6.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Gary Singer is an Internal Medicine specialist and a Nephrologist in St. Peters, Missouri. Dr. Singer is rated as an Advanced provider by MediFind in the treatment of Low Sodium Level. His top areas of expertise are Chronic Kidney Disease, End-Stage Renal Disease (ESRD), Acute Kidney Failure, Nephrosclerosis, and Kidney Transplant.

    Advanced in Low Sodium Level
    Internal Medicine | Nephrology
    Advanced in Low Sodium Level
    Internal Medicine | Nephrology
    70 Jungermann Circle, Suite 405, 
    St. Peters, MO 
     (6.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Furqan Raja is an Internal Medicine specialist and a Nephrologist in St. Peters, Missouri. Dr. Raja is rated as an Advanced provider by MediFind in the treatment of Low Sodium Level. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Necrosis.

    Distinguished in Low Sodium Level
    Nephrology
    Distinguished in Low Sodium Level
    Nephrology

    St. Luke's Medical Specialists

    222 S Woods Mill Rd # 750, 
    Chesterfield, MO 
     (14.3 miles away)
    Languages Spoken:
    English

    Pablo Dayer is a Nephrologist in Chesterfield, Missouri. Dr. Dayer is rated as a Distinguished provider by MediFind in the treatment of Low Sodium Level. His top areas of expertise are Low Sodium Level, Acute Kidney Failure, End-Stage Renal Disease (ESRD), and Chronic Kidney Disease.

    Experienced in Low Sodium Level
    Family Medicine
    Experienced in Low Sodium Level
    Family Medicine

    BJC Medical Group At St Peters

    201 Bjc Saint Peters Dr Ste 200, 
    Saint Peters, MO 
     (6.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ngozidilenna Wilkins is a primary care provider, practicing in Family Medicine in Saint Peters, Missouri. Dr. Wilkins is rated as an Experienced provider by MediFind in the treatment of Low Sodium Level. Her top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Type 2 Diabetes (T2D).

    Showing 1-20 of 71

    Last Updated: 02/22/2026

    What is the definition of Low Sodium Level?

    Low blood sodium is a condition in which the sodium level in the blood is lower than normal. The medical name of this condition is hyponatremia.

    When should I see a Low Sodium Level 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 Low Sodium Level 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 Low Sodium Level 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 Low Sodium Level 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 Low Sodium Level 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 Low Sodium Level doctor search results page. 

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

    Look for the filter feature on the left side of the Low Sodium Level 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 Low Sodium Level doctor that offers video calls?

    Look for the filter feature on the left-side of the Low Sodium Level 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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