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Dr. Alyssa Le, MD

Dr. Alyssa Le, MD

Fullerton, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Le, Internist in Fullerton, CA?

    Dr. Alyssa Le, MD is an Internist, who primarily practices in Fullerton, CA with 2 additional practice locations. She is board certified. Dr. Le graduated from University of California. Dr. Le is fluent in English and Vietnamese, and is currently seeing new patients. Dr. Le’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Le’s office at (949) 364-6000.

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

    • Medical School: University of California

    What languages does Dr. Le speak?

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

    • English

    • Vietnamese

    What conditions does Dr. Le treat?

    As a Internist, Dr. Le 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. Le. 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:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    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

    Also known as:

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

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Gastrointestinal Bleeding
    • Gastrointestinal (GI) Bleeding
    • GI Bleeding
    • Internal Digestive Bleeding
    • Digestive Tract Hemorrhage

    ICD-10 Codes:

    • K922: Gastrointestinal hemorrhage, unspecified

    Also known as:

    • Ischemic Stroke
    • Brain Attack
    • Cerebral Infarction
    • Brain Ischemia

    ICD-10 Codes:

    • I639: Cerebral infarction, unspecified

    Also known as:

    • Intestinal Obstruction
    • Bowel Obstruction
    • Blocked Intestines
    • Gut Blockage

    ICD-10 Codes:

    • K56609: Unspecified intestinal obstruction, unspecified as to partial versus complete obstruction

    Also known as:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism

    Also known as:

    • Heart Attack (NSTEMI)
    • Heart Attack
    • Myocardial Infarction
    • Non-STEMI
    • Less Severe Heart Attack

    ICD-10 Codes:

    • I214: Non-ST elevation (NSTEMI) myocardial infarction

    Also known as:

    • Worsening Chronic Diastolic Heart Failure
    • Heart Failure
    • Acute Decompensated HFpEF
    • Sudden Worsening Diastolic Heart Failure
    • Acute on Chronic Filling Heart Failure

    ICD-10 Codes:

    • I5033: Acute on chronic diastolic (congestive) heart failure

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Pectoral pain

    ICD-10 Codes:

    • R0789: Other chest pain

    Also known as:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Also known as:

    • Urinary Tract Infection
    • UTI
    • Bladder infection
    • Kidney infection
    • Urine infection

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    Also known as:

    • Atrial Fibrillation
    • Afib
    • A-fib
    • Irregular heart rhythm

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation

    Also known as:

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

    ICD-10 Codes:

    • G9341: Metabolic encephalopathy

    Also known as:

    • High Blood Pressure Heart Disease with Heart Failure
    • Heart Failure
    • High Blood Pressure
    • Hypertensive Heart Failure
    • High Blood Pressure Causing Heart Failure

    ICD-10 Codes:

    • I110: Hypertensive heart disease with heart failure

    Also known as:

    • Acute Kidney Failure
    • Kidney Failure
    • Acute Renal Failure
    • Sudden Kidney Failure

    ICD-10 Codes:

    • N179: Acute kidney failure, unspecified

    Also known as:

    • COVID-19
    • COVID-19 (Coronavirus Disease 2019)
    • Coronavirus Disease 2019
    • SARS-CoV-2 Infection
    • Novel Coronavirus

    ICD-10 Codes:

    • U071: COVID-19

    Which procedures does Dr. Le perform as a Internist?

    As a Internist, procedures performed by an Dr. Alyssa Le may include:

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

    Does Dr. Le accept my insurance?

    Dr. Le accepts most major insurance plans. Important: Please call our office at (949) 364-6000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Le accept in Fullerton, CA?

    Dr. Le in Fullerton, 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

    • Alliant Techsystems

    • Blue Shield of California

    • CalOptima

    • Crown Cork and Seal Company

    • Medicare

    • Other Health Care Provider

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Le's office located?

    Dr. Alyssa Le's Primary Practice

    1950 Sunny Crest Dr Ste 2900

    Fullerton, CA 92835

    (949) 364-6000

    Get Directions

    Dr. Alyssa Le's Practice 2

    100 E Valencia Mesa Dr Ste 105

    Fullerton, CA 92835

    Get Directions

    Dr. Alyssa Le's Practice 3

    27700 Medical Center Rd

    Mission Viejo, CA 92691

    Get Directions

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

    Dr. Le's National Provider Identifier (NPI) number is 1245461722.

    What common questions do patients ask about Dr. Le?

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

    What is Dr. Alyssa Le's specialty?

    Dr. Le is a Internist near Fullerton, CA.

    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. Le to book an appointment today.

    Is this Dr. Alyssa Le affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Le is affiliated with Providence Mission Hospital Mission Viejo, City of Hope - Duarte Cancer Center, UCI Medical Center, Scripps Memorial Hospital La Jolla 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 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 Alyssa Le accepting new patients in Fullerton, CA?

    Yes, Dr. Alyssa Le is accepting new patients at this time.

    Does Dr. Alyssa Le offer online booking?

    Please contact Dr. Le's office at (949) 364-6000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Alyssa Le?

    Please contact Dr. Le's office at (949) 364-6000 for information regarding telehealth appointment availability or for scheduling assistance.

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