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Dr. Haydn Leung, MD

San Jose, CA

18 Years of Experience

Accepting patients

    Who is Dr. Leung, Emergency Medicine Specialist in San Jose, CA?

    Dr. Haydn Leung, MD is an Emergency Medicine Specialist, who primarily practices in San Jose, CA with 2 additional practice locations. He has been practicing for over 18 years and is board certified by the American Board of Emergency Medicine. Dr. Leung completed his residency at Stanford Univ Hosp, Emergency Medicine. Dr. Leung is fluent in English, and is currently seeing new patients. Dr. Leung’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Leung’s office at (408) 436-3300.

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

    • Residency: Stanford Univ Hosp, Emergency Medicine | Kaiser Permanente Stanford University Med Center

    • Medical School: University of Hi John A Burns Sch of Med, Honolulu Hi

    Is Dr. Leung board certified in Emergency Medicine Specialist?

    Yes, Dr. Haydn Leung, MD is board certified by the American Board of Emergency Medicine

    What languages does Dr. Leung speak?

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

    • English

    What conditions does Dr. Leung treat?

    As a Emergency Medicine Specialist, Dr. Leung 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. Leung. 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:

    • Abdominal Pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    Also known as:

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

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Headache
    • Head pain
    • Cephalalgia
    • Tension headache

    ICD-10 Codes:

    • R519: Headache, unspecified

    Also known as:

    • Common Cold
    • Upper Respiratory Infection
    • Head Cold
    • Cold Symptoms

    ICD-10 Codes:

    • J069: Acute upper respiratory infection, unspecified

    Also known as:

    • Nausea and Vomiting
    • Feeling Sick and Throwing Up
    • Stomach Flu Symptoms
    • Queasy and Vomiting

    ICD-10 Codes:

    • R112: Nausea with vomiting, unspecified

    Also known as:

    • Head Injury
    • Head Injuries
    • Head Trauma
    • Cranial Injury
    • Brain Injury

    ICD-10 Codes:

    • S0990XA: Unspecified injury of head, initial encounter

    Also known as:

    • Dehydration
    • Fluid and Electrolyte Balance
    • Lack of Fluids
    • Fluid Loss
    • Body Water Depletion

    ICD-10 Codes:

    • E860: Dehydration

    Also known as:

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

    ICD-10 Codes:

    • R0789: Other chest pain

    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:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Also known as:

    • Dizziness
    • Dizziness and Vertigo
    • Lightheadedness
    • Giddiness
    • Vertigo

    ICD-10 Codes:

    • R42: Dizziness and giddiness

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

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

    ICD-10 Codes:

    • R0602: Shortness of breath

    Also known as:

    • Back Pain
    • Backache
    • Dorsalgia
    • Spinal Pain

    ICD-10 Codes:

    • M549: Dorsalgia, unspecified

    Also known as:

    • Sore Throat
    • Acute pharyngitis
    • Throat inflammation
    • Acute throat infection

    ICD-10 Codes:

    • J029: Acute pharyngitis, 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

    Also known as:

    • Constipation
    • Difficulty Passing Stool
    • Infrequent Bowel Movements
    • Hard Stools

    ICD-10 Codes:

    • K5900: Constipation, unspecified

    Also known as:

    • Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D649: Anemia, unspecified

    Also known as:

    • Diarrhea
    • Loose stools
    • Runny poop
    • Frequent bowel movements

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

    • Heart Palpitations
    • Arrhythmia
    • Skipped Heartbeat
    • Fluttering Heart
    • Pounding Heart

    ICD-10 Codes:

    • R002: Palpitations

    Which procedures does Dr. Leung perform as a Emergency Medicine Specialist?

    As a Emergency Medicine Specialist, procedures performed by an Dr. Haydn Leung may include:

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

    Does Dr. Leung accept my insurance?

    Dr. Leung accepts most major insurance plans. Important: Please call our office at (408) 436-3300 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Leung accept in San Jose, CA?

    Dr. Leung in San Jose, 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

    • Centene

    • Contra Costa

    • Express Scripts

    • Health Plan of San Joaquin

    • Hill Physicians Medical Group

    • Medicare

    • OptumRx

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Leung's office located?

    Dr. Haydn Leung's Primary Practice

    1721 Technology Dr

    San Jose, CA 95110

    (408) 436-3300

    Get Directions

    Dr. Haydn Leung's Practice 2

    700 Lawrence Expy

    Santa Clara, CA 95051

    Get Directions

    Dr. Haydn Leung's Practice 3

    555 Castro St

    Mountain View, CA 94041

    Get Directions

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

    Dr. Leung's National Provider Identifier (NPI) number is 1386721215.

    What common questions do patients ask about Dr. Leung?

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

    What is Dr. Haydn Leung's specialty?

    Dr. Leung is a Emergency Medicine Specialist near San Jose, CA. An emergency physician is dedicated to making prompt decision and taking necessary actions essential for preventing death or additional disabilities. This role encompasses guiding emergency medical technicians in pre-hospital environments as well as providing care within the emergency department. The emergency physician is responsible for the immediate identification, evaluation, treatment, stabilization, and arrangement of a diverse array of adult and pediatric patients facing acute illnesses and injuries. Contact Dr. Leung to book an appointment today.

    Is this Dr. Haydn Leung affiliated with a ranked Castle Connolly Top Hospital?

    No, Leung is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Kaiser Permanente - Santa Clara Medical Center. Castle Connolly Top Hospitals 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 Emergency Medicine Specialist?

    Explore Emergency Medicine Specialist 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 Haydn Leung accepting new patients in San Jose, CA?

    Yes, Dr. Haydn Leung is accepting new patients at this time.

    Does Dr. Haydn Leung offer online booking?

    Please contact Dr. Leung's office at (408) 436-3300 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Haydn Leung?

    Please contact Dr. Leung's office at (408) 436-3300 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Haydn Leung have?

    Dr. Haydn Leung is certified by the American Board of Emergency Medicine.

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