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Dr. Daniel Leonard, DO

Rockford, IL

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Leonard, Pulmonologist in Rockford, IL?

    Dr. Daniel Leonard, DO is a Pulmonologist, who primarily practices in Rockford, IL with 2 additional practice locations. He is board certified. Dr. Leonard is fluent in English, and is currently seeing new patients. Dr. Leonard’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Leonard’s office at (920) 730-6700.

    What languages does Dr. Leonard speak?

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

    • English

    What conditions does Dr. Leonard treat?

    As a Pulmonologist, Dr. Leonard 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. Leonard. 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:

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

    ICD-10 Codes:

    • J449: Chronic obstructive pulmonary disease, 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:

    • Severe Persistent Asthma
    • Moderate Persistent Asthma
    • Asthma
    • Chronic Severe Asthma
    • Difficult-to-Treat Asthma
    • Severe Asthma
    • Ongoing Moderate Asthma
    • Regular Moderate Asthma
    • Chronic Moderate Asthma
    • Reactive Airway Disease
    • Bronchial Asthma
    • Allergic Asthma

    ICD-10 Codes:

    • J4550: Severe persistent asthma, uncomplicated
    • J4540: Moderate persistent asthma, uncomplicated
    • J45909: Unspecified asthma, uncomplicated

    Also known as:

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

    ICD-10 Codes:

    • R0609: Other forms of dyspnea
    • R0602: Shortness of breath

    Also known as:

    • Other Lung Disease
    • Lung Disease
    • Various lung conditions
    • Unspecified lung disorder
    • Miscellaneous lung problems

    ICD-10 Codes:

    • J984: Other disorders of lung

    Also known as:

    • History of Nicotine Dependence
    • E-Cigarettes
    • Smokeless Tobacco
    • Smoking
    • Past nicotine addiction
    • Previous smoking habit
    • History of tobacco use disorder

    ICD-10 Codes:

    • Z87891: Personal history of nicotine dependence

    Also known as:

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

    ICD-10 Codes:

    • J439: Emphysema, unspecified

    Also known as:

    • Pulmonary Fibrosis
    • Idiopathic Pulmonary Fibrosis
    • Idiopathic pulmonary fibrosis
    • Lung Scarring
    • Fibrotic Lung Disease
    • Interstitial Pulmonary Fibrosis
    • IPF
    • Lung Scarring of Unknown Cause
    • Chronic Idiopathic Fibrosis

    ICD-10 Codes:

    • J8410: Pulmonary fibrosis, unspecified
    • J84112: Idiopathic pulmonary fibrosis

    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:

    • Chronic Cough
    • Cough
    • Persistent cough
    • Long-lasting cough
    • Ongoing cough

    ICD-10 Codes:

    • R053: Chronic cough

    Also known as:

    • Abnormal Lung Function Test
    • Lung Disease
    • Irregular Pulmonary Function Study
    • Unusual Breathing Test
    • Lung Disease Diagnosis

    ICD-10 Codes:

    • R942: Abnormal results of pulmonary function studies

    Also known as:

    • Chronic Respiratory Failure with Low Oxygen
    • Respiratory Failure
    • Long-term lung failure with low oxygen
    • Chronic hypoxic respiratory failure
    • Ongoing breathing failure with hypoxia

    ICD-10 Codes:

    • J9611: Chronic respiratory failure with hypoxia

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • Nicotine Addiction
    • E-Cigarettes
    • Smokeless Tobacco
    • Smoking
    • Tobacco Addiction
    • Smoking Addiction
    • Vaping Addiction
    • Nicotine Substance Use Disorder

    ICD-10 Codes:

    • F17200: Nicotine dependence, unspecified, uncomplicated

    Also known as:

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

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Does Dr. Leonard accept my insurance?

    Dr. Leonard accepts most major insurance plans. Important: Please call our office at (920) 730-6700 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Leonard accept in Rockford, IL?

    Dr. Leonard in Rockford, 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

    • CVS Health (formerly Aetna)

    • Department of Veterans Affairs

    • Medicare

    • Molina

    • State of Illinois

    View All Insurances

    Where is Dr. Leonard's office located?

    Dr. Daniel Leonard's Primary Practice

    1340 Charles St Ste 405

    Rockford, IL 61104

    (920) 730-6700

    Get Directions

    Dr. Daniel Leonard's Practice 2

    1401 E State St

    Rockford, IL 61104

    Get Directions

    Dr. Daniel Leonard's Practice 3

    2700 W 9th Ave

    Oshkosh, WI 54904

    Get Directions

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

    Dr. Leonard's National Provider Identifier (NPI) number is 1366671489.

    What common questions do patients ask about Dr. Leonard?

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

    What is Dr. Daniel Leonard's specialty?

    Dr. Leonard is a Pulmonologist near Rockford, IL. 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. Leonard to book an appointment today.

    Is this Dr. Daniel Leonard affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Leonard is affiliated with Uw Health Swedishamerican Hospital 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 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 Daniel Leonard accepting new patients in Rockford, IL?

    Yes, Dr. Daniel Leonard is accepting new patients at this time.

    Does Dr. Daniel Leonard offer online booking?

    Please contact Dr. Leonard's office at (920) 730-6700 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Daniel Leonard?

    Please contact Dr. Leonard's office at (920) 730-6700 for information regarding telehealth appointment availability or for scheduling assistance.

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