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Dr. Timothy Hsieh, MD

Dr. Timothy Hsieh, MD

Endocrinologist

Los Angeles, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Hsieh, Endocrinologist in Los Angeles, CA?

    Dr. Timothy Hsieh, MD is an Endocrinologist, who primarily practices in Los Angeles, CA. He is board certified. Dr. Hsieh graduated from University of Michigan Medical School and completed his residency at Univ Ca Davis Med Ctr, Endocrinology, Diabetes & Metabolism; Univ Ca Davis Med Ctr, Internal Medicine. Dr. Hsieh is fluent in English, and is currently seeing new patients. Dr. Hsieh’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hsieh’s office at (323) 857-2000.

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

    • Residency: Univ Ca Davis Med Ctr, Endocrinology, Diabetes & Metabolism; Univ Ca Davis Med Ctr, Internal Medicine

    • Medical School: University of Mi Med Sch, Ann Arbor Mi | University of Michigan Medical School

    Is Dr. Hsieh board certified as an Endocrinologist?

    Yes, Dr. Timothy Hsieh, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Hsieh speak?

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

    • English

    What conditions does an Endocrinologist like Dr. Hsieh typically treat?

    As an Endocrinologist, Dr. Hsieh 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. Hsieh. 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 with Diabetic Neuropathy
    • Type 2 Diabetes with Chronic Kidney Disease
    • Diabetes Type 2
    • Diabetic Nerve Problems
    • Type 2 diabetes
    • Diabetic Neuropathy
    • Diabetic Kidney Problems
    • Diabetes Complicationss
    • Diabetic Nerve Damage
    • Diabetic Polyneuropathy
    • Peripheral Neuropathy from Diabetes
    • Diabetes Mellitus Nerve Problems
    • Diabetic Chronic Kidney Disease
    • Long-term Kidney Failure from Type 2 Diabetes
    • Type 2 Diabetes End-Stage Renal Disease
    • Diabetes Mellitus Complications
    • Diabetes Related Health Problems
    • Advanced Diabetes

    ICD-10 Codes:

    • E1142: Type 2 diabetes mellitus with diabetic polyneuropathy
    • E1122: Type 2 diabetes mellitus with diabetic chronic kidney disease
    • E1169: Type 2 diabetes mellitus with other specified complication

    Also known as:

    • Type 1 Diabetes with Nerve Damage
    • Diabetes Type 1
    • Diabetic Nerve Problems
    • Type 1 diabetes
    • Diabetic Neuropathy
    • Type 1 Diabetes Mellitus
    • Diabetic Polyneuropathy

    ICD-10 Codes:

    • E1042: Type 1 diabetes mellitus with diabetic polyneuropathy

    Also known as:

    • Nontoxic Multinodular Goiter
    • Thyroid Disease
    • Multinodular Goiter
    • Lumpy Enlarged Thyroid

    ICD-10 Codes:

    • E042: Nontoxic multinodular goiter

    Also known as:

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

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    What procedures does an Endocrinologist like Dr. Hsieh typically perform?

    As an Endocrinologist, Dr. Hsieh performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Hsieh. 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:

    • Ultrasound-Guided Fine Needle Biopsy
    • Ultrasound-Guided Fine Needle Aspiration Biopsy
    • Biopsy
    • Ultrasound
    • FNA Biopsy with Ultrasound
    • Image-Guided Biopsy
    • Fine Needle Aspiration
    • First Lesion Biopsy
    • Needle Biopsy with Ultrasound

    CPT Codes:

    • 10005: Fine needle aspiration biopsy, including ultrasound guidance; first lesion
    • 10006: Fine needle aspiration biopsy, including ultrasound guidance; each additional lesion (List separately in addition to code for primary procedure)

    Does Dr. Hsieh accept my insurance?

    Dr. Hsieh accepts most major insurance plans. Important: Please call our office at (323) 857-2000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Hsieh accept in Los Angeles, CA?

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

    Top Insurances

    • Apex Healthcare

    • Centene Corporation

    • CVS Health (formerly Aetna)

    • Humana

    • Kaiser Permanente

    • Medicare

    • Other Health Care Provider

    • Preferred IPA

    • UnitedHealth Group

    • University of California

    View All Insurances

    Where is Dr. Hsieh's office located?

    Dr. Timothy Hsieh's Primary Practice

    6041 Cadillac Ave

    Los Angeles, CA 90034

    (323) 857-2000

    Get Directions

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

    Dr. Hsieh's National Provider Identifier (NPI) number is 1821157405.

    What common questions do patients ask about Dr. Hsieh?

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

    What is Dr. Timothy Hsieh's specialty?

    Dr. Hsieh is an Endocrinologist near Los Angeles, CA.

    What does an Endocrinologist do?

    An internist specializing in disorders of the endocrine glands, including the thyroid and adrenal glands. This specialist also manages a range of conditions such as diabetes, metabolic and nutritional disorders, obesity, pituitary disorders, and menstrual and sexual health issues.

    Is Dr. Timothy Hsieh affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Hsieh is affiliated with Kaiser Permanente West Los Angeles Medical Center, Kaiser Permanente Orange County - Anaheim Medical Center, Kaiser Permanente Los Angeles Medical Center, Kaiser Permanente South Bay Medical Center, Kaiser Permanente Baldwin Park Medical Center, Kaiser Permanente Riverside 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 Endocrinologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Endocrinologist. 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. Timothy Hsieh accepting new patients in Los Angeles, CA?

    Yes, Dr. Timothy Hsieh is accepting new patients at this time.

    Does Dr. Timothy Hsieh offer online booking?

    Please contact Dr. Hsieh's office at (323) 857-2000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Timothy Hsieh?

    Please contact Dr. Hsieh's office at (323) 857-2000 to schedule an appointment.

    Where is Dr. Hsieh's office located?

    Dr. Hsieh's office is located in Los Angeles, CA.

    Which board certifications does Dr. Timothy Hsieh have?

    Dr. Timothy Hsieh is certified by the American Board of Internal Medicine.