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Dr. Dieula John, MD

Lake Mary, FL

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. John, Endocrinologist in Lake Mary, FL?

    Dr. Dieula John, MD is an Endocrinologist, who primarily practices in Lake Mary, FL with 2 additional practice locations. Dr. John is fluent in English, and is currently seeing new patients. Dr. John’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. John’s office at (407) 373-3809.

    What languages does Dr. John speak?

    Dr. John and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does an Endocrinologist like Dr. John typically treat?

    As an Endocrinologist, Dr. John 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. John. 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. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Type 2 Diabetes with High Blood Sugar
    • Type 2 Diabetes
    • Diabetes Type 2
    • Hyperglycemia
    • Type 2 diabetes
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E1165: Type 2 diabetes mellitus with hyperglycemia
    • E119: Type 2 diabetes mellitus without complications

    Also known as:

    • Hypothyroidism
    • Congenital hypothyroidism
    • Hypothyroidism (Underactive Thyroid)
    • Underactive Thyroid
    • Low Thyroid Function

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Type 1 Diabetes with High Blood Sugar
    • Diabetes Type 1
    • Hyperglycemia
    • Type 1 diabetes
    • Diabetic Hyperglycemia
    • High Glucose in Type 1 Diabetes
    • High Blood Sugar Episode

    ICD-10 Codes:

    • E1065: Type 1 diabetes mellitus with hyperglycemia

    Also known as:

    • Nontoxic Multinodular Goiter
    • Thyroid Disease
    • Multinodular Goiter
    • Lumpy Enlarged Thyroid

    ICD-10 Codes:

    • E042: Nontoxic multinodular goiter

    Also known as:

    • Low Blood Sugar
    • Hypoglycemia
    • Low Blood Glucose (Hypoglycemia)
    • Blood Sugar Drop
    • Sugar Crash

    ICD-10 Codes:

    • E162: Hypoglycemia, unspecified

    Also known as:

    • Hashimoto's Disease
    • Thyroid Disease
    • Hashimoto's disease
    • Autoimmune thyroiditis
    • Chronic lymphocytic thyroiditis
    • Hashimoto's thyroiditis

    ICD-10 Codes:

    • E063: Autoimmune thyroiditis

    Does Dr. John accept my insurance?

    Dr. John accepts most major insurance plans. Important: Please call our office at (407) 373-3809 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. John accept in Lake Mary, FL?

    Dr. John in Lake Mary, FL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Centene Corporation

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Guidewell Mutual Holding Corporation

    • Humana

    • Medicare

    • Oscar Health

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. John's office located?

    Dr. Dieula John's Primary Practice

    525 Technology Park Ste 109

    Lake Mary, FL 32746

    (407) 373-3809

    Get Directions

    Dr. Dieula John's Practice 2

    8300 Red Bug Lake Rd

    Oviedo, FL 32765

    Get Directions

    Dr. Dieula John's Practice 3

    2600 Westhall Ln

    Maitland, FL 32751

    Get Directions

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

    Dr. John's National Provider Identifier (NPI) number is 1861954265.

    What common questions do patients ask about Dr. John?

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

    What is Dr. Dieula John's specialty?

    Dr. John is a Endocrinologist near Lake Mary, FL.

    What does an Endocrinologist do?

    An internist specializing in disorders of the endocrine glands, including the thyroid and adrenal glands. This specialist also manages a range of conditions such as diabetes, metabolic and nutritional disorders, obesity, pituitary disorders, and menstrual and sexual health issues.

    Is this Dr. Dieula John affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. John is affiliated with Adventhealth Ocala 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

    When to see an Endocrinologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Endocrinologist. Explore 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 Dieula John accepting new patients in Lake Mary, FL?

    Yes, Dr. Dieula John is accepting new patients at this time.

    Does Dr. Dieula John offer online booking?

    Please contact Dr. John's office at (407) 373-3809 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dieula John?

    Please contact Dr. John's office at (407) 373-3809 for information regarding telehealth appointment availability or for scheduling assistance.

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