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Dr. John Chronakos, MD

Danbury, CT

21 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Chronakos, Pulmonologist in Danbury, CT?

    Dr. John Chronakos, MD is a Pulmonologist, who primarily practices in Danbury, CT with 2 additional practice locations. He has been practicing for over 21 years and is board certified by the American Board of Internal Medicine. Dr. Chronakos graduated from New York University School of Medicine and completed his residency at New York University School of Medicine Program. Dr. Chronakos is fluent in English and Spanish, and is currently seeing new patients. Dr. Chronakos’s practice accepts Medicaid, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chronakos’s office at (203) 739-7070.

    What are Areas of Expertise for Dr. Chronakos?

    Dr. John Chronakos, MD is a highly-rated, board-certified Pulmonologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Chronakos empowers patients to confidently navigate their health journey, specializing in Critical Care, Sleep Disorders, or comprehensive wellness support. Serving the Danbury/CT community, Dr. Chronakos is dedicated to enhancing lives through expert, patient-centered care.

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

    • Residency: New York University School of Medicine Program

    • Medical School: New York University School of Medicine

    Is Dr. Chronakos board certified in Pulmonologist?

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

    What languages does Dr. Chronakos speak?

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

    • English

    • Spanish

    What conditions does Dr. Chronakos treat?

    As a Pulmonologist, Dr. Chronakos 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. Chronakos. 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:

    • Obstructive Sleep Apnea
    • Sleep Apnea
    • Obstructive sleep apnea
    • OSA
    • Blocked airway during sleep
    • Snoring and gasping during sleep
    • Breathing Pauses During Sleep
    • Snoring Disorder

    ICD-10 Codes:

    • G4733: Obstructive sleep apnea (adult) (pediatric)
    • G4730: Sleep apnea, unspecified

    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:

    • Excessive Sleepiness
    • Sleep Disorder
    • Hypersomnia
    • Daytime sleepiness
    • Too much sleep

    ICD-10 Codes:

    • G4710: Hypersomnia, unspecified

    Also known as:

    • COPD
    • COPD Flare-Up
    • Chronic Obstructive Pulmonary Disease
    • Chronic Lung Disease
    • Emphysema and Chronic Bronchitis
    • COPD Exacerbation
    • Chronic Obstructive Pulmonary Disease Flare-Up
    • Worsening COPD
    • COPD Attack

    ICD-10 Codes:

    • J449: Chronic obstructive pulmonary disease, unspecified
    • J441: Chronic obstructive pulmonary disease with (acute) exacerbation

    Also known as:

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

    ICD-10 Codes:

    • J45909: Unspecified asthma, uncomplicated

    Also known as:

    • Septic Shock
    • Sepsis
    • Shock
    • Severe blood poisoning with shock
    • Septic collapse
    • Infection-induced shock
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • R6521: Severe sepsis with septic shock
    • A419: Sepsis, unspecified organism

    Also known as:

    • Insomnia
    • Sleeplessness
    • Trouble sleeping
    • Chronic insomnia

    ICD-10 Codes:

    • G4700: Insomnia, unspecified

    Also known as:

    • Emphysema
    • Pulmonary Emphysema
    • Lung Emphysema
    • Chronic Obstructive Lung Disease

    ICD-10 Codes:

    • J439: Emphysema, unspecified

    Also known as:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism

    Also known as:

    • Shortness of Breath
    • Breathing Problems
    • Difficulty breathing
    • Breathlessness
    • Dyspnea

    ICD-10 Codes:

    • R0602: Shortness of breath

    Also known as:

    • Pleural Effusion
    • Pleural Disorder
    • Fluid in lungs
    • Water on the lung
    • Fluid around lungs

    ICD-10 Codes:

    • J90: Pleural effusion, not elsewhere classified

    Also known as:

    • Bronchiectasis
    • Bronchial Disorder
    • Damaged Airways
    • Chronic Bronchial Dilation
    • Lung Airway Damage

    ICD-10 Codes:

    • J479: Bronchiectasis, uncomplicated

    Also known as:

    • Cough
    • Coughing
    • Persistent cough
    • Chronic cough

    ICD-10 Codes:

    • R059: Cough, unspecified

    Also known as:

    • Lung Cancer
    • Bronchial cancer
    • Malignant neoplasm of lung
    • Pulmonary cancer

    ICD-10 Codes:

    • C3490: Malignant neoplasm of unspecified part of unspecified bronchus or lung

    Also known as:

    • Interstitial Lung Disease
    • ILD
    • Diffuse Parenchymal Lung Disease
    • Chronic Lung Disease

    ICD-10 Codes:

    • J849: Interstitial pulmonary disease, unspecified

    Also known as:

    • Acute Respiratory Failure with Low Oxygen
    • Respiratory Failure
    • Sudden lung failure with low oxygen
    • Hypoxic respiratory failure
    • Acute breathing failure with hypoxia

    ICD-10 Codes:

    • J9601: Acute respiratory failure with hypoxia

    Does Dr. Chronakos accept my insurance?

    Dr. Chronakos accepts most major insurance plans. Important: Please call our office at (203) 739-7070 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Chronakos accept in Danbury, CT?

    Dr. Chronakos in Danbury, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross and Blue Shield of North Carolina

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • EmblemHealth

    • Express Scripts

    • Medicaid

    • Medicare

    • Service Employees International Union (SEIU)

    • State of Connecticut

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Chronakos' office located?

    Dr. John Chronakos' Primary Practice

    24 Hospital Ave

    Danbury, CT 06810

    (203) 739-7070

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    Dr. John Chronakos' Practice 2

    33 Germantown Rd

    Danbury, CT 06810

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    Dr. John Chronakos' Practice 3

    21 Elm St

    New Milford, CT 06776

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

    Dr. Chronakos's National Provider Identifier (NPI) number is 1609801273.

    What common questions do patients ask about Dr. Chronakos?

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

    What is Dr. John Chronakos's specialty?

    Dr. Chronakos is a Pulmonologist near Danbury, CT. An internist specializing in the treatment of lung and airway diseases. The pulmonologist diagnoses and manages conditions such as cancer, pneumonia, pleurisy, asthma, occupational and environmental illnesses, bronchitis, sleep disorders, emphysema, and other complex lung disorders. Contact Dr. Chronakos to book an appointment today.

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

    Yes, Dr. Chronakos is affiliated with Danbury Hospital, New Milford 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

    Where can I learn more about Pulmonologist?

    Explore Pulmonologist 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 Chronakos accepting new patients in Danbury, CT?

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

    Does Dr. John Chronakos offer online booking?

    Please contact Dr. Chronakos's office at (203) 739-7070 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Chronakos?

    Please contact Dr. Chronakos's office at (203) 739-7070 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. John Chronakos have?

    Dr. John Chronakos is certified by the American Board of Internal Medicine.

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