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Dr. Dinesh Kumar Rengarajan, MD

Chicago, IL

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Rengarajan, Internist in Chicago, IL?

    Dr. Dinesh Kumar Rengarajan, MD is an Internist, who primarily practices in Chicago, IL with 2 additional practice locations. Dr. Rengarajan is fluent in English, and is currently seeing new patients. Dr. Rengarajan’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Rengarajan’s office at (312) 864-6000.

    What languages does Dr. Rengarajan speak?

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

    • English

    What conditions does an Internist like Dr. Rengarajan typically treat?

    As an Internist, Dr. Rengarajan 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. Rengarajan. 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:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    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:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Upper body pain

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • High Blood Pressure Heart Disease with Heart Failure
    • Heart Failure
    • High Blood Pressure
    • Hypertensive Heart Failure
    • High Blood Pressure Causing Heart Failure

    ICD-10 Codes:

    • I110: Hypertensive heart disease with heart failure

    Also known as:

    • COPD Flare-Up
    • COPD
    • COPD Exacerbation
    • Chronic Obstructive Pulmonary Disease Flare-Up
    • Worsening COPD
    • COPD Attack

    ICD-10 Codes:

    • J441: Chronic obstructive pulmonary disease with (acute) exacerbation

    What procedures does an Internist like Dr. Rengarajan typically perform?

    As an Internist, procedures performed by Dr. Dinesh Kumar Rengarajan may include:

    Please contact Dr. Rengarajan's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Rengarajan accept my insurance?

    Dr. Rengarajan 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. Rengarajan accept in Chicago, IL?

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

    Top Insurances

    • Centene Corporation

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Humana

    • Medicare

    • Molina Healthcare

    • State of Illinois

    View All Insurances

    Where is Dr. Rengarajan's office located?

    Dr. Dinesh Kumar Rengarajan's Primary Practice

    1401 S California Ave

    Chicago, IL 60608

    (312) 864-6000

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    Dr. Dinesh Kumar Rengarajan's Practice 2

    At 15 Th St

    Chicago, IL 60608

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    Dr. Dinesh Kumar Rengarajan's Practice 3

    1901 W Harrison St

    Chicago, IL 60612

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

    Dr. Rengarajan's National Provider Identifier (NPI) number is 1194166595.

    What common questions do patients ask about Dr. Rengarajan?

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

    What is Dr. Dinesh Kumar Rengarajan's specialty?

    Dr. Rengarajan is an Internist near Chicago, IL.

    What does an Internist do?

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Is Dr. Dinesh Kumar Rengarajan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Rengarajan is affiliated with Mount Sinai Hospital - Chicago, Il 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 Internist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Internist. 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 Dr. Dinesh Kumar Rengarajan accepting new patients in Chicago, IL?

    Yes, Dr. Dinesh Kumar Rengarajan is accepting new patients at this time.

    Does Dr. Dinesh Kumar Rengarajan offer online booking?

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

    How can I make an appointment with Dr. Dinesh Kumar Rengarajan?

    Please contact Dr. Rengarajan's office at (312) 864-6000 to schedule an appointment.

    Where is Dr. Rengarajan's office located?

    Dr. Rengarajan's office is located in Chicago, IL.