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Dr. Niraj Mahajan, MD

Chicago, IL

Accepting patients

Affiliated with a Castle Connolly Top Hospital

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

    Dr. Niraj Mahajan, MD is an Internist, who primarily practices in Chicago, IL with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Mahajan is fluent in English, and is currently seeing new patients. Dr. Mahajan’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mahajan’s office at (312) 942-5000.

    Is Dr. Mahajan board certified in Internist?

    Yes, Dr. Niraj Mahajan, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Mahajan speak?

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

    • English

    What conditions does Dr. Mahajan treat?

    As a Internist, Dr. Mahajan 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. Mahajan. 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:

    • Other Abnormal Findings on Lung Scan
    • Single Lung Nodule
    • Lung Disease
    • Unusual Lung Scan Results
    • Atypical Lung Imaging
    • Nonspecific Lung Abnormality
    • Lung Spot
    • Pulmonary Nodule
    • Spot on Lung Scan

    ICD-10 Codes:

    • R918: Other nonspecific abnormal finding of lung field
    • R911: Solitary pulmonary nodule

    Also known as:

    • COPD
    • Chronic Obstructive Pulmonary Disease
    • Chronic Lung Disease
    • Emphysema and Chronic Bronchitis

    ICD-10 Codes:

    • J449: Chronic obstructive pulmonary disease, unspecified

    Also known as:

    • Chronic Respiratory Failure
    • Acute Respiratory Failure with Low Oxygen
    • Respiratory Failure
    • Long-term lung failure
    • Ongoing breathing failure
    • Chronic lung insufficiency
    • Sudden lung failure with low oxygen
    • Hypoxic respiratory failure
    • Acute breathing failure with hypoxia

    ICD-10 Codes:

    • J9610: Chronic respiratory failure, unspecified whether with hypoxia or hypercapnia
    • J9601: Acute respiratory failure with hypoxia

    Also known as:

    • Interstitial Lung Disease
    • Other Interstitial Lung Disease
    • ILD
    • Diffuse Parenchymal Lung Disease
    • Chronic Lung Disease
    • Rare interstitial lung conditions
    • Uncommon lung scarring diseases
    • Other ILD

    ICD-10 Codes:

    • J849: Interstitial pulmonary disease, unspecified
    • J8489: Other specified interstitial pulmonary diseases

    Also known as:

    • Asthma
    • Reactive Airway Disease
    • Bronchial Asthma
    • Allergic Asthma

    ICD-10 Codes:

    • J45909: Unspecified asthma, uncomplicated

    Also known as:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism

    Also known as:

    • Immunization Visit
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Which procedures does Dr. Mahajan perform as a Internist?

    As a Internist, procedures performed by an Dr. Niraj Mahajan may include:

    For detailed information, please contact Dr. Mahajan's office.

    Does Dr. Mahajan accept my insurance?

    Dr. Mahajan accepts most major insurance plans. Important: Please call our office at (312) 942-5000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mahajan accept in Chicago, IL?

    Dr. Mahajan in Chicago, 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

    • Crown Cork and Seal Company

    • Humana

    • Medicare

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Mahajan's office located?

    Dr. Niraj Mahajan's Primary Practice

    1653 W Congress Pkwy

    Chicago, IL 60612

    (312) 942-5000

    Get Directions

    Dr. Niraj Mahajan's Practice 2

    27300 Iris Ave

    Moreno Valley, CA 92555

    Get Directions

    Dr. Niraj Mahajan's Practice 3

    10800 Magnolia Ave

    Riverside, CA 92505

    Get Directions

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

    Dr. Mahajan's National Provider Identifier (NPI) number is 1285825331.

    What common questions do patients ask about Dr. Mahajan?

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

    What is Dr. Niraj Mahajan's specialty?

    Dr. Mahajan is a Internist near Chicago, IL.

    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.

    Contact Dr. Mahajan to book an appointment today.

    Is this Dr. Niraj Mahajan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mahajan is affiliated with Kaiser Permanente Riverside Medical Center 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 Internist?

    Explore Internist 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 Niraj Mahajan accepting new patients in Chicago, IL?

    Yes, Dr. Niraj Mahajan is accepting new patients at this time.

    Does Dr. Niraj Mahajan offer online booking?

    Please contact Dr. Mahajan's office at (312) 942-5000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Niraj Mahajan?

    Please contact Dr. Mahajan's office at (312) 942-5000 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Niraj Mahajan have?

    Dr. Niraj Mahajan is certified by the American Board of Internal Medicine.

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