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Dr. Diana Hsu, MD

Downey, CA

24 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Hsu, Internist in Downey, CA?

    Dr. Diana Hsu, MD is an Internist, who primarily practices in Downey, CA. She has been practicing for over 24 years. Dr. Hsu graduated from Wayne State Universtiy School Of Medicine and completed her residency at L A Co-Usc Med Ctr, Internal Medicine. Dr. Hsu is fluent in English and Chinese, and is currently seeing new patients. Dr. Hsu’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hsu’s office at (562) 861-3111.

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

    • Residency: L A Co-Usc Med Ctr, Internal Medicine | L a Co Usc Med Center | USC/LAC-Keck School of Medicine

    • Medical School: Wayne State Universtiy School Of Medicine | Wayne State Universtiy School Of Medicine

    What languages does Dr. Hsu speak?

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

    • Chinese
    • English

    What conditions does an Internist like Dr. Hsu typically treat?

    As an Internist, Dr. Hsu 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. Hsu. 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:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications

    Also known as:

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

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Prediabetes
    • Insulin Resistance & Prediabetes
    • Borderline diabetes
    • Insulin resistance
    • High blood sugar (not yet diabetes)

    ICD-10 Codes:

    • R7303: Prediabetes

    Also known as:

    • Obesity
    • Take Charge of Your Health: A Guide for Teenagers
    • Excess Weight
    • Being Overweight
    • High BMI

    ICD-10 Codes:

    • E669: Obesity, unspecified

    Also known as:

    • Asymptomatic Menopause
    • Menopause
    • Menopausal Transition
    • Postmenopause
    • Change of Life

    ICD-10 Codes:

    • Z780: Asymptomatic menopausal state

    Also known as:

    • High Blood Pressure Heart Disease
    • Heart Disease
    • High Blood Pressure
    • Hypertensive Cardiomyopathy
    • Heart Problems from High Blood Pressure

    ICD-10 Codes:

    • I119: Hypertensive heart disease without heart failure

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

    As an Internist, procedures performed by Dr. Diana Hsu may include:

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

    Does Dr. Hsu accept my insurance?

    Dr. Hsu accepts most major insurance plans. Important: Please call our office at (562) 861-3111 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Hsu accept in Downey, CA?

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

    Top Insurances

    • Alignment Healthcare

    • AllCare Health

    • Bright Health

    • Centene Corporation

    • City of Los Angeles

    • Clever Care Health Plan

    • CVS Health (formerly Aetna)

    • Medicare

    • OptumRx Administered Payer

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Hsu's office located?

    Dr. Diana Hsu's Primary Practice

    12651 Lakewood Blvd

    Downey, CA 90242

    (562) 861-3111

    Get Directions

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

    Dr. Hsu's National Provider Identifier (NPI) number is 1720090137.

    What common questions do patients ask about Dr. Hsu?

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

    What is Dr. Diana Hsu's specialty?

    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. Diana Hsu affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Hsu is affiliated with Pih Health Whittier Hospital, Cedars-Sinai Medical Center, Los Angeles General 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. Diana Hsu accepting new patients in Downey, CA?

    Yes, Dr. Diana Hsu is accepting new patients at this time.

    Does Dr. Diana Hsu offer online booking?

    Please contact Dr. Hsu's office at (562) 861-3111 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Diana Hsu?

    Please contact Dr. Hsu's office at (562) 861-3111 to schedule an appointment.

    Where is Dr. Hsu's office located?

    Dr. Hsu's office is located in Downey, CA.