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Dr. Chioma Onyenwenyi, MD

Oak Park, IL

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Onyenwenyi, Endocrinologist in Oak Park, IL?

    Dr. Chioma Onyenwenyi, MD is an Endocrinologist, who primarily practices in Oak Park, IL with 1 additional practice location. Dr. Onyenwenyi completed her residency at John H. Stroger, Jr. Hospital of Cook County - Internal Medicine. Dr. Onyenwenyi is fluent in English, and is not currently seeing new patients. Dr. Onyenwenyi’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Onyenwenyi’s office at (312) 864-6000.

    Where did Dr. Onyenwenyi go to medical school and complete their residency?

    • Fellowship: Rush University Medical Center - Endocrinology Diabetes & Metabolism

    • Residency: John H. Stroger, Jr. Hospital of Cook County - Internal Medicine

    • Medical School: University of Nigeria (Education)

    What languages does Dr. Onyenwenyi speak?

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

    • English

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

    As an Endocrinologist, Dr. Onyenwenyi 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. Onyenwenyi. 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:

    • Age-Related Osteoporosis
    • Fractures
    • Osteoporosis
    • Senile Osteoporosis
    • Primary Osteoporosis
    • Bone Thinning from Aging

    ICD-10 Codes:

    • M810: Age-related osteoporosis without current pathological fracture

    Also known as:

    • Testicular Hypofunction
    • Testicular Disorder
    • Underactive Testicles
    • Low Testicular Function
    • Hypogonadism

    ICD-10 Codes:

    • E291: Testicular hypofunction

    Also known as:

    • Type 2 Diabetes with High Blood Sugar
    • Diabetes Type 2
    • Hyperglycemia
    • Type 2 diabetes
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels

    ICD-10 Codes:

    • E1165: Type 2 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:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Does Dr. Onyenwenyi accept my insurance?

    Dr. Onyenwenyi accepts most major insurance plans. Important: Please call our office at (312) 864-6000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Onyenwenyi accept in Oak Park, IL?

    Dr. Onyenwenyi in Oak Park, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Medicare

    • State of Illinois

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Onyenwenyi's office located?

    Roppg

    520 S Maple Ave

    Oak Park, IL 60304

    (312) 864-6000

    Get Directions

    Dr. Chioma Onyenwenyi's Practice 2

    1901 W Harrison St

    Chicago, IL 60612

    Get Directions

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

    Dr. Onyenwenyi's National Provider Identifier (NPI) number is 1780972182.

    What common questions do patients ask about Dr. Onyenwenyi?

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

    What is Dr. Chioma Onyenwenyi's specialty?

    Dr. Onyenwenyi is a Endocrinologist near Oak Park, IL.

    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. Chioma Onyenwenyi affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Onyenwenyi is affiliated with Rush University Medical Center, Northwestern Memorial Hospital, Northwestern Medicine Delnor Hospital which are a Castle Connolly Top Hospitals. 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 Chioma Onyenwenyi accepting new patients in Oak Park, IL?

    No, Dr. Chioma Onyenwenyi is not accepting new patients at this time.

    Does Dr. Chioma Onyenwenyi offer online booking?

    Please contact Dr. Onyenwenyi's office at (312) 864-6000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Chioma Onyenwenyi?

    Please contact Dr. Onyenwenyi's office at (312) 864-6000 for information regarding telehealth appointment availability or for scheduling assistance.

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