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Dr. Vivian Nguyen, MD

Westminster, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Nguyen, Internist in Westminster, CA?

    Dr. Vivian Nguyen, MD is an Internist, who primarily practices in Westminster, CA with 2 additional practice locations. Dr. Nguyen is fluent in English and Vietnamese, and is currently seeing new patients. Dr. Nguyen’s practice accepts Kaiser Permanente, Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nguyen’s office at (714) 248-9558.

    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 an Internist like Dr. Nguyen typically treat?

    As an Internist, 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. Learn more about our claims-based healthcare methodology.

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    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:

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

    ICD-10 Codes:

    • J9601: Acute respiratory failure with hypoxia
    • J9690: Respiratory failure, unspecified, unspecified whether with hypoxia or hypercapnia

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

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

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Metabolic Brain Disorder
    • Brain Disease
    • Metabolic Encephalopathy
    • Brain Dysfunction from Metabolism

    ICD-10 Codes:

    • G9341: Metabolic encephalopathy

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

    As an Internist, procedures performed by Dr. Vivian Nguyen may include:

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

    Does Dr. Nguyen accept my insurance?

    Dr. Nguyen accepts most major insurance plans. Important: Please call our office at (714) 248-9558 before your appointment to verify that your specific plan and network are accepted.

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

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

    Top Insurances

    • Blue Shield of California

    • Centene Corporation

    • CVS Health (formerly Aetna)

    • Inland Empire

    • Inland Faculty Medical Group, Inc

    • Kaiser Permanente

    • Medicare

    • Other Health Care Provider

    • State of California

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Nguyen's office located?

    Dr. Vivian Nguyen's Primary Practice

    8419 Westminster Blvd

    Westminster, CA 92683

    (714) 248-9558

    Get Directions

    Dr. Vivian Nguyen's Practice 2

    215 W Janss Rd

    Thousand Oaks, CA 91360

    Get Directions

    Dr. Vivian Nguyen's Practice 3

    18300 US Highway 18

    Apple Valley, CA 92307

    Get Directions

    What is Dr. Nguyen's NPI number?A 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 1689869570.

    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. Vivian Nguyen's specialty?

    Dr. Nguyen is an Internist near Westminster, CA.

    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. Vivian Nguyen affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Nguyen is affiliated with Kaiser Permanente Fontana Medical Center, Kaiser Permanente Riverside Medical Center, Providence Mission Hospital Mission Viejo, Torrance Memorial Medical Center, Uci Medical Center, Ronald Reagan Ucla Medical Center 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

    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. Vivian Nguyen accepting new patients in Westminster, CA?

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

    Does Dr. Vivian Nguyen offer online booking?

    Please contact Dr. Nguyen's office at (714) 248-9558 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Vivian Nguyen?

    Please contact Dr. Nguyen's office at (714) 248-9558 to schedule an appointment.

    Where is Dr. Nguyen's office located?

    Dr. Nguyen's offices are located in Westminster, CA, Thousand Oaks, CA, and Apple Valley, CA.