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Dr. John O'toole, MD

Cleveland, OH

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. O'toole, Nephrologist in Cleveland, OH?

    Dr. John O'toole, MD is a Nephrologist, who primarily practices in Cleveland, OH with 1 additional practice location. He is board certified by the American Board of Internal Medicine. Dr. O'toole graduated from University Of Cincinnati College Of Medicine and completed his residency at Univ Of Mi Hosps & Hlth Ctrs, Nephrology. Dr. O'toole is fluent in English, and is currently seeing new patients. Dr. O'toole’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'toole’s office.

    Where did Dr. O'toole go to medical school and complete their residency?

    • Residency: Univ Of Mi Hosps & Hlth Ctrs, Nephrology

    • Medical School: University of Cincinnati Coll of Med, Cincinnati Oh | University Of Cincinnati College Of Medicine

    Is Dr. O'toole board certified in Nephrologist?

    Yes, Dr. John O'toole, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. O'toole speak?

    Dr. O'toole and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does Dr. O'toole treat?

    As a Nephrologist, Dr. O'toole diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. O'toole. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Acute Kidney Failure
    • Kidney Failure
    • Acute Renal Failure
    • Sudden Kidney Failure

    ICD-10 Codes:

    • N179: Acute kidney failure, unspecified

    Also known as:

    • End-Stage Kidney Disease
    • Chronic Kidney Disease, Stage 4 (Severe)
    • Chronic Kidney Disease Stage 5
    • Chronic Kidney Disease Stage 3b
    • Chronic Kidney Disease, Stage 3a
    • Kidney Failure
    • Chronic Kidney Disease (CKD)
    • Helping Your Child Adapt to Life with Chronic Kidney Disease
    • Chronic Kidney Disease
    • ESRD
    • End-Stage Renal Failure
    • CKD Stage 4
    • Severe Chronic Kidney Disease
    • CKD Stage 5
    • End-Stage Renal Disease
    • CKD Stage 3b
    • Moderate Chronic Kidney Disease
    • CKD Stage 3a

    ICD-10 Codes:

    • N186: End stage renal disease
    • N184: Chronic kidney disease, stage 4 (severe)
    • N185: Chronic kidney disease, stage 5
    • N1832: Chronic kidney disease, stage 3b
    • N1831: Chronic kidney disease, stage 3a

    Also known as:

    • Low Sodium Levels
    • High Potassium
    • Fluid and Electrolyte Balance
    • Sodium
    • Potassium
    • Hyponatremia
    • Low Blood Sodium
    • Sodium Deficiency
    • Hyperkalemia
    • Excess Potassium

    ICD-10 Codes:

    • E871: Hypo-osmolality and hyponatremia
    • E875: Hyperkalemia

    Also known as:

    • Other Post-Surgery Condition
    • Postoperative State
    • Recovery After Surgery
    • Surgical Follow-up

    ICD-10 Codes:

    • Z98890: Other specified postprocedural states

    Also known as:

    • Acute Kidney Failure with Tubule Damage
    • Kidney Failure
    • Acute Tubular Necrosis
    • ATN
    • Kidney Tubule Death

    ICD-10 Codes:

    • N170: Acute kidney failure with tubular necrosis

    Which procedures does Dr. O'toole perform as a Nephrologist?

    As a Nephrologist, procedures performed by a Dr. John O'toole may include:

    For detailed information, please contact Dr. O'toole's office.

    Does Dr. O'toole accept my insurance?

    Dr. O'toole accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. O'toole accept in Cleveland, OH?

    Dr. O'toole in Cleveland, OH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • CareSource

    • Crown Cork and Seal Company

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Medical Mutual

    • Medicare

    • State of Ohio

    • SummaCare

    • UnitedHealthcare

    View All Insurances

    Where is Dr. O'toole's office located?

    Dr. John O'toole's Primary Practice

    8950 Euclid Ave

    Cleveland, OH 44195

    Get Directions

    Dr. John O'toole's Practice 2

    2500 Metrohealth Dr # R-460

    Cleveland, OH 44109

    Get Directions

    What is Dr. O'toole's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. O'toole's National Provider Identifier (NPI) number is 1700968617.

    What common questions do patients ask about Dr. O'toole?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. O'toole

    What is Dr. John O'toole's specialty?

    Dr. O'toole is a Nephrologist near Cleveland, OH. An internist who manages disorders related to the kidneys, including high blood pressure, fluid and mineral balance, and dialysis for waste removal when kidney function is impaired. This specialist also collaborates with surgeons regarding kidney transplantation. Contact Dr. O'toole to book an appointment today.

    Is this Dr. John O'toole affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. O'toole is affiliated with Cleveland Clinic Main Campus which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    Where can I learn more about Nephrologist?

    Explore Nephrologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is John O'toole accepting new patients in Cleveland, OH?

    Yes, Dr. John O'toole is accepting new patients at this time.

    Does Dr. John O'toole offer online booking?

    Please contact Dr. O'toole's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John O'toole?

    Please contact Dr. O'toole's office for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. John O'toole have?

    Dr. John O'toole is certified by the American Board of Internal Medicine.

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