The 20 Best High Potassium Level Doctors Near Me in O Fallon, IL

Find the Top High Potassium Level Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 43 doctor with experience in High Potassium Level near O Fallon, IL. Of these, 38 are Experienced and 5 are Advanced.

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43 providers found
    Advanced in High Potassium Level
    Advanced in High Potassium Level

    Hshsmg-Msc St Elizabeth's

    3 Saint Elizabeth Blvd Ste 5000, 
    O Fallon, IL 
     (1.3 miles away)
    Languages Spoken:
    English

    Bassim Assioun is a Nephrologist in O Fallon, Illinois. Dr. Assioun is rated as an Advanced provider by MediFind in the treatment of High Potassium Level. His top areas of expertise are Acute Kidney Failure, Chronic Kidney Disease, End-Stage Renal Disease (ESRD), and Nephrosclerosis.

    Experienced in High Potassium Level
    Family Medicine
    Experienced in High Potassium Level
    Family Medicine

    St Elizabeths Hospital Of The Hospital Sisters Of The Third Order

    1512 N Green Mount Rd Ste 108, 
    O Fallon, IL 
     (0.6 miles away)
    Languages Spoken:
    English

    Nellann Hennon is a primary care provider, practicing in Family Medicine in O Fallon, Illinois. Dr. Hennon is rated as an Experienced provider by MediFind in the treatment of High Potassium Level. Her top areas of expertise are Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), High Potassium Level, and Acute Cystitis.

    Experienced in High Potassium Level
    Internal Medicine
    Experienced in High Potassium Level
    Internal Medicine

    B J C Primary Care Shiloh 250

    1418 Cross St Ste 250, 
    O Fallon, IL 
     (0.6 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English

    Jennifer Neville is a primary care provider, practicing in Internal Medicine in O Fallon, Illinois. Dr. Neville has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of High Potassium Level. Her top areas of expertise are Nephrosclerosis, Renovascular Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Learn about our expert tiers
    Experienced in High Potassium Level
    Family Medicine
    Experienced in High Potassium Level
    Family Medicine

    Southern Illinois Healthcare Foundation

    3 Saint Elizabeth Blvd Ste 4000, 
    O Fallon, IL 
     (0.6 miles away)
    Languages Spoken:
    English

    Anne Nash is a primary care provider, practicing in Family Medicine in O Fallon, Illinois. Dr. Nash is rated as an Experienced provider by MediFind in the treatment of High Potassium Level. Her top areas of expertise are End-Stage Renal Disease (ESRD), Maturity Onset Diabetes of the Young, Hypertension, Cardiac Ablation, and Endoscopy.

    Experienced in High Potassium Level
    Family Medicine
    Experienced in High Potassium Level
    Family Medicine

    Southern Illinois Healthcare Foundation

    3 Saint Elizabeth Blvd Ste 4000, 
    O Fallon, IL 
     (0.6 miles away)
    Languages Spoken:
    English

    Marjorie Guthrie is a primary care provider, practicing in Family Medicine in O Fallon, Illinois. Dr. Guthrie is rated as an Experienced provider by MediFind in the treatment of High Potassium Level. Her top areas of expertise are End-Stage Renal Disease (ESRD), Maturity Onset Diabetes of the Young, Familial Hypertension, Cardiac Ablation, and Endoscopy.

    Experienced in High Potassium Level
    Family Medicine
    Experienced in High Potassium Level
    Family Medicine

    Kevin L Pritchett M.D PC

    100 Springfield Ct, 
    O Fallon, IL 
     (0.9 miles away)
    Languages Spoken:
    English

    Robert Thain is a primary care provider, practicing in Family Medicine in O Fallon, Illinois. Dr. Thain is rated as an Experienced provider by MediFind in the treatment of High Potassium Level. His top areas of expertise are Maturity Onset Diabetes of the Young, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

    Experienced in High Potassium Level
    Family Medicine
    Experienced in High Potassium Level
    Family Medicine

    Infinity-Meds Urgent Care Services LLC

    1512 N Green Mount Rd, 
    O Fallon, IL 
     (1.0 miles away)
    Languages Spoken:
    English

    Katherine Lazet is a primary care provider, practicing in Family Medicine in O Fallon, Illinois. Dr. Lazet is rated as an Experienced provider by MediFind in the treatment of High Potassium Level. Her top areas of expertise are Ludwig Angina, Uvulitis, Shingles, and Periorbital Cellulitis.

    Experienced in High Potassium Level
    Family Medicine
    Experienced in High Potassium Level
    Family Medicine

    Oa Associates LLC

    310 N 7 Hills Rd, 
    O Fallon, IL 
     (1.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

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

    Experienced in High Potassium Level
    Family Medicine
    Experienced in High Potassium Level
    Family Medicine

    Oa Associates LLC

    310 N 7 Hills Rd, 
    O Fallon, IL 
     (1.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jennifer Szalkowski is a primary care provider, practicing in Family Medicine in O Fallon, Illinois. Dr. Szalkowski is rated as an Experienced provider by MediFind in the treatment of High Potassium Level. Her top areas of expertise are Type 2 Diabetes (T2D), Hypervitaminosis D, Chronic Cough, and Vertigo.

    Experienced in High Potassium Level
    Internal Medicine
    Experienced in High Potassium Level
    Internal Medicine
    4000 N Illinois Ln, 
    Swansea, IL 
     (4.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Keith Moss is a primary care provider, practicing in Internal Medicine in Swansea, Illinois. Dr. Moss is rated as an Experienced provider by MediFind in the treatment of High Potassium Level. His top areas of expertise are Benign Paroxysmal Positional Vertigo, Familial Combined Hyperlipidemia, Diverticular Disease, and Coronary Heart Disease. Dr. Moss is currently accepting new patients.

    Advanced in High Potassium Level
    Nephrology
    Advanced in High Potassium Level
    Nephrology

    Healthline In-Home Care Of IL LLC

    5003 N Illinois St # 1, 
    Fairview Heights, IL 
     (5.1 miles away)
    Languages Spoken:
    English

    Rashid Dalal is a Nephrologist in Fairview Heights, Illinois. Dr. Dalal is rated as an Advanced provider by MediFind in the treatment of High Potassium Level. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, Endoscopy, and Gastrostomy.

    Advanced in High Potassium Level
    Nephrology
    Advanced in High Potassium Level
    Nephrology

    Fairview Heights Medical Group Sc

    4550 Memorial Dr, Suite 280, 
    Belleville, IL 
     (6.6 miles away)
    Languages Spoken:
    English

    Matthew Koch is a Nephrologist in Belleville, Illinois. Dr. Koch is rated as an Advanced provider by MediFind in the treatment of High Potassium Level. His top areas of expertise are Chronic Kidney Disease, Acute Kidney Failure, End-Stage Renal Disease (ESRD), and Necrosis.

    Advanced in High Potassium Level
    Advanced in High Potassium Level

    David Rose M.D. LTD

    5105 W Main St, 
    Belleville, IL 
     (7.2 miles away)
    Languages Spoken:
    English

    Ifath Bashiruddin is a Nephrologist in Belleville, Illinois. Dr. Bashiruddin is rated as an Advanced provider by MediFind in the treatment of High Potassium Level. Her top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Necrosis.

    Experienced in High Potassium Level
    Internal Medicine
    Experienced in High Potassium Level
    Internal Medicine

    Heartland Medical Center LLC

    5032 N Illinois St Ste B, 
    Fairview Heights, IL 
     (5.1 miles away)
    Languages Spoken:
    English

    Benedicta Umoru is a primary care provider, practicing in Internal Medicine in Fairview Heights, Illinois. Dr. Umoru is rated as an Experienced provider by MediFind in the treatment of High Potassium Level. Her top areas of expertise are Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, Hospital-Acquired Pneumonia, Atypical Pneumonia, and Endoscopy.

    Experienced in High Potassium Level
    Internal Medicine
    Experienced in High Potassium Level
    Internal Medicine

    Office

    331 Salem Pl Ste 100, 
    Fairview Heights, IL 
     (5.1 miles away)
    Languages Spoken:
    English

    Mounir Shenouda is a primary care provider, practicing in Internal Medicine in Fairview Heights, Illinois. Dr. Shenouda is rated as an Experienced provider by MediFind in the treatment of High Potassium Level. His top areas of expertise are Anemia, Breast Cancer, Hypertension, and Familial Hypertension.

    Experienced in High Potassium Level
    Internal Medicine
    Experienced in High Potassium Level
    Internal Medicine

    Office

    331 Salem Pl Ste 100, 
    Fairview Heights, IL 
     (5.1 miles away)
    Languages Spoken:
    English

    Philip Chu is a primary care provider, practicing in Internal Medicine in Fairview Heights, Illinois. Dr. Chu is rated as an Experienced provider by MediFind in the treatment of High Potassium Level. His top areas of expertise are Anemia, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in High Potassium Level
    Internal Medicine
    Experienced in High Potassium Level
    Internal Medicine

    Belleville Imaging Inc.

    15 Park Pl, 
    Swansea, IL 
     (5.4 miles away)
    Languages Spoken:
    English

    Charles Ampadu is a primary care provider, practicing in Internal Medicine in Swansea, Illinois. Dr. Ampadu is rated as an Experienced provider by MediFind in the treatment of High Potassium Level. His top areas of expertise are Lung Metastases, Necrosis, COVID-19, Gastrostomy, and Endoscopy.

    Experienced in High Potassium Level
    Family Medicine
    Experienced in High Potassium Level
    Family Medicine

    Office

    4600 Memorial Dr Ste 220, 
    Belleville, IL 
     (6.2 miles away)
    Languages Spoken:
    English

    David O'neill is a primary care provider, practicing in Family Medicine in Belleville, Illinois. Dr. O'neill is rated as an Experienced provider by MediFind in the treatment of High Potassium Level. His top areas of expertise are Anemia, Lung Metastases, Visceromegaly, Endoscopy, and Hip Replacement.

    Experienced in High Potassium Level
    Experienced in High Potassium Level

    Michael Guignon M.D. P.C.

    4550 Memorial Dr Ste 280, 
    Belleville, IL 
     (6.2 miles away)
    Languages Spoken:
    English

    Rouba Ghoussoub is a Nephrologist in Belleville, Illinois. Dr. Ghoussoub is rated as an Experienced provider by MediFind in the treatment of High Potassium Level. Her top areas of expertise are Acute Kidney Failure, End-Stage Renal Disease (ESRD), Nephrosclerosis, and Chronic Kidney Disease.

    Experienced in High Potassium Level
    Experienced in High Potassium Level

    Michael Guignon M.D. P.C.

    4550 Memorial Dr Ste 280, 
    Belleville, IL 
     (6.2 miles away)
    Languages Spoken:
    English

    Vikram Patney is a Nephrologist in Belleville, Illinois. Dr. Patney is rated as an Experienced provider by MediFind in the treatment of High Potassium Level. His top areas of expertise are Chronic Kidney Disease, End-Stage Renal Disease (ESRD), Acute Kidney Failure, and Low Sodium Level.

    Showing 1-20 of 43

    Last Updated: 04/28/2026

    What is the definition of High Potassium Level?

    A high potassium level is a problem in which the amount of potassium in the blood is higher than normal. The medical name of this condition is hyperkalemia.

    When should I see a High Potassium Level doctor near O Fallon, IL?

    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 High Potassium Level doctor near O Fallon, IL?

    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 High Potassium Level doctors near O Fallon, IL?

    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 High Potassium Level doctors near O Fallon, IL?

    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 High Potassium Level doctor near O Fallon, IL?

    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 High Potassium Level doctor search results page. 

    Why is it important to get a second opinion from a different High Potassium 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 High Potassium Level doctor near O Fallon, IL?

    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 High Potassium 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 High Potassium 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 High Potassium Level doctors near O Fallon, IL?

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

    Look for the filter feature on the left-side of the High Potassium 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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