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Dr. Duc Nguyen, MD

Simi Valley, CA

27 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Nguyen, Pulmonologist in Simi Valley, CA?

    Dr. Duc Nguyen, MD is a Pulmonologist, who primarily practices in Simi Valley, CA with 2 additional practice locations. He has been practicing for over 27 years and is board certified by the American Board of Internal Medicine. Dr. Nguyen graduated from American University of The Caribbean / School of Medicine and completed his residency at Emory Univ Sch Of Med, Thoracic Surgery; Univ Of Mn Med Sch, General Surgery. Dr. Nguyen is fluent in English and Vietnamese, and is currently seeing new patients. Dr. Nguyen’s practice accepts Cigna, Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nguyen’s office at (805) 520-1577.

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

    • Residency: Emory Univ Sch Of Med, Thoracic Surgery; Univ Of Mn Med Sch, General Surgery | Cedars-Sinai Medical Center

    • Medical School: Boston Univ Sch of Med, Boston Ma | American University of The Caribbean / School of Medicine | University of California

    Is Dr. Nguyen board certified in Pulmonologist?

    Yes, Dr. Duc Nguyen, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Nguyen speak?

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

    • English

    • Vietnamese

    What conditions does Dr. Nguyen treat?

    As a Pulmonologist, Dr. Nguyen 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. Nguyen. 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:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    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:

    • Respiratory Failure
    • Lung failure
    • Breathing failure
    • Respiratory insufficiency

    ICD-10 Codes:

    • J9690: Respiratory failure, unspecified, unspecified whether with hypoxia or hypercapnia

    Also known as:

    • Moderate Persistent Asthma
    • Mild Persistent Asthma
    • Severe Persistent Asthma
    • Asthma
    • Ongoing Moderate Asthma
    • Regular Moderate Asthma
    • Chronic Moderate Asthma
    • Ongoing Mild Asthma
    • Regular Mild Asthma
    • Chronic Mild Asthma
    • Chronic Severe Asthma
    • Difficult-to-Treat Asthma
    • Severe Asthma

    ICD-10 Codes:

    • J4540: Moderate persistent asthma, uncomplicated
    • J4530: Mild persistent asthma, uncomplicated
    • J4550: Severe persistent asthma, uncomplicated

    Also known as:

    • Routine Adult Health Checkup
    • Health Checkup
    • Adult physical exam
    • Annual wellness visit for adults
    • General adult medical exam

    ICD-10 Codes:

    • Z0000: Encounter for general adult medical examination without abnormal findings

    Also known as:

    • Muscle Weakness
    • Muscle Disorder
    • Loss of strength
    • Fatigue
    • Muscle fatigue

    ICD-10 Codes:

    • R531: Weakness

    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:

    • Mixed High Cholesterol and Triglycerides
    • Cholesterol
    • Triglycerides
    • Mixed hyperlipidemia
    • Combined hyperlipidemia
    • High lipids

    ICD-10 Codes:

    • E782: Mixed hyperlipidemia

    Also known as:

    • Obstructive Sleep Apnea
    • Sleep Apnea
    • Obstructive sleep apnea
    • OSA
    • Blocked airway during sleep
    • Snoring and gasping during sleep

    ICD-10 Codes:

    • G4733: Obstructive sleep apnea (adult) (pediatric)

    Also known as:

    • Adult Health Checkup with Abnormal Findings
    • Health Checkup
    • Adult Physical Exam with Issues
    • Routine Checkup with Concerns
    • General Medical Exam with Abnormal Results

    ICD-10 Codes:

    • Z0001: Encounter for general adult medical examination with abnormal findings

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

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

    ICD-10 Codes:

    • R053: Chronic cough

    Also known as:

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

    ICD-10 Codes:

    • R0602: Shortness of breath

    Also known as:

    • Allergic Rhinitis
    • Allergy
    • Nasal allergies
    • Allergy rhinitis
    • Chronic runny nose

    ICD-10 Codes:

    • J309: Allergic rhinitis, unspecified

    Also known as:

    • Osteoarthritis
    • Degenerative Joint Disease
    • Wear-and-Tear Arthritis
    • Joint Degeneration

    ICD-10 Codes:

    • M1990: Unspecified osteoarthritis, unspecified site

    Also known as:

    • Stomach and Duodenum Inflammation
    • Stomach Disorder
    • Gastroduodenitis
    • Inflamed Stomach and Small Intestine
    • Upper GI Inflammation

    ICD-10 Codes:

    • K2990: Gastroduodenitis, unspecified, without bleeding

    Also known as:

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

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Does Dr. Nguyen accept my insurance?

    Dr. Nguyen accepts most major insurance plans. Important: Please call our office at (805) 520-1577 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Nguyen accept in Simi Valley, CA?

    Dr. Nguyen in Simi Valley, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Alignment Health Plan

    • All Other Third Party

    • Blue Shield of California

    • CVS Health (formerly Aetna)

    • Directors Guild of America Employees

    • Elevance Health Inc. (formerly Anthem)

    • Humana

    • Medicaid

    • Medicare

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Nguyen's office located?

    Dr. Duc Nguyen's Primary Practice

    1177 Roadrunner Way

    Simi Valley, CA 93065

    (805) 520-1577

    Get Directions

    Dr. Duc Nguyen's Practice 2

    2650 Jones Way Ste 7

    Simi Valley, CA 93065

    (805) 520-1577

    Get Directions

    Dr. Duc Nguyen's Practice 3

    2975 Sycamore Dr

    Simi Valley, CA 93065

    Get Directions

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

    Dr. Nguyen's National Provider Identifier (NPI) number is 1306945365.

    What common questions do patients ask about Dr. Nguyen?

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

    What is Dr. Duc Nguyen's specialty?

    Dr. Nguyen is a Pulmonologist near Simi Valley, CA. 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. Nguyen to book an appointment today.

    Is this Dr. Duc Nguyen affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Nguyen is affiliated with Los Robles Regional 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 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 Duc Nguyen accepting new patients in Simi Valley, CA?

    Yes, Dr. Duc Nguyen is accepting new patients at this time.

    Does Dr. Duc Nguyen offer online booking?

    Please contact Dr. Nguyen's office at (805) 520-1577 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Duc Nguyen?

    Please contact Dr. Nguyen's office at (805) 520-1577 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Duc Nguyen have?

    Dr. Duc Nguyen is certified by the American Board of Internal Medicine.

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