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Dr. Mark Shiroishi, MD

Neuroradiologist, Diagnostic Radiologist

Los Angeles, CA

18 Years of Experience

Accepting patients

    Who is Dr. Shiroishi, Neuroradiologist in Los Angeles, CA?

    Dr. Mark Shiroishi, MD is a Neuroradiologist, who primarily practices in Los Angeles, CA with 2 additional practice locations. He has been practicing for over 18 years. Dr. Shiroishi is fluent in English and Japanese, and is currently seeing new patients. Dr. Shiroishi’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Shiroishi’s office at (323) 442-8541.

    What are Areas of Expertise for Dr. Shiroishi?

    Dr. Mark Shiroishi, MD is a highly-rated, board-certified Neuroradiologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Shiroishi empowers patients to confidently navigate their health journey, specializing in Neuro-Oncology, and comprehensive wellness support. Serving the Los Angeles, CA community, Dr. Shiroishi is dedicated to enhancing lives through expert, patient-centered care.

    What languages does Dr. Shiroishi speak?

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

    • English
    • Japanese

    What conditions does a Neuroradiologist like Dr. Shiroishi typically treat?

    As a Neuroradiologist, Dr. Shiroishi 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. Shiroishi. 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:

    • Other Brain Disorder
    • Brain Disease
    • Various Brain Conditions
    • Uncommon Brain Problems
    • Specified Brain Disease

    ICD-10 Codes:

    • G9389: Other specified disorders of brain

    Also known as:

    • Changes in Mental State
    • Mental Disorder
    • Confusion
    • Disorientation
    • Changes in awareness

    ICD-10 Codes:

    • R4182: Altered mental status, 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:

    • Headache
    • Head pain
    • Cephalalgia
    • Tension headache

    ICD-10 Codes:

    • R519: Headache, unspecified

    Also known as:

    • Neck Injury
    • Neck Injuries and Disorder
    • Neck Trauma
    • Neck Damage
    • Injured Neck

    ICD-10 Codes:

    • S199XXA: Unspecified injury of neck, initial encounter

    Also known as:

    • Abnormal Findings on Skull or Head Scan
    • Unusual Head Imaging
    • Atypical Skull Scan
    • Abnormal Brain Scan (general)

    ICD-10 Codes:

    • R930: Abnormal findings on diagnostic imaging of skull and head, not elsewhere classified

    Also known as:

    • Unspecified Injury
    • General injury
    • Injury, unknown type
    • Trauma

    ICD-10 Codes:

    • T1490XA: Injury, unspecified, initial encounter

    Also known as:

    • Routine Adult Health Checkup
    • Health Checkup
    • Adult physical exam
    • Annual wellness visit for adults
    • General adult medical exam

    ICD-10 Codes:

    • Z0000: Encounter for general adult medical examination without abnormal findings

    What procedures does a Neuroradiologist like Dr. Shiroishi typically perform?

    As a Neuroradiologist, procedures performed by Dr. Mark Shiroishi may include:

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

    Does Dr. Shiroishi accept my insurance?

    Dr. Shiroishi accepts most major insurance plans. Important: Please call our office at (323) 442-8541 before your appointment to verify that your specific plan and network are accepted.

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

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

    Top Insurances

    • Alignment Healthcare

    • Centene Corporation

    • City of Los Angeles

    • Kaiser Permanente

    • Medicare

    • Other Health Care Provider

    • Other Provider Networks

    • Preferred IPA

    • State of California

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Shiroishi's office located?

    Dr. Mark Shiroishi's Primary Practice

    1500 San Pablo St Fl 2

    Los Angeles, CA 90033

    (323) 442-8541

    Get Directions

    Dr. Mark Shiroishi's Practice 2

    125 W Huntington Dr

    Arcadia, CA 91007

    Get Directions

    Dr. Mark Shiroishi's Practice 3

    1812 Verdugo Blvd

    Glendale, CA 91208

    Get Directions

    What hospitals are Dr. Shiroishi affiliated with?

    Dr. Shiroishi has admitting privileges at the following hospitals:

    Keck Hospital of USC,Los Angeles, CA

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

    Dr. Shiroishi's National Provider Identifier (NPI) number is 1699949875.

    What common questions do patients ask about Dr. Shiroishi?

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

    What is Dr. Mark Shiroishi's specialty?

    Dr. Shiroishi is a Neuroradiologist near Los Angeles, CA.

    What does a Neuroradiologist do?

    A neuroradiologist is an expert who diagnoses and treats diseases using imaging procedures related to the brain, spine, spinal cord, head, neck, and sensory organs in both adults and children.

    Is Dr. Mark Shiroishi affiliated with a ranked Castle Connolly Top Hospital?

    No, Dr. Shiroishi is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Keck Hospital of USC. 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

    When to see a Neuroradiologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Neuroradiologist. 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. Mark Shiroishi accepting new patients in Los Angeles, CA?

    Yes, Dr. Mark Shiroishi is accepting new patients at this time.

    Does Dr. Mark Shiroishi offer online booking?

    Please contact Dr. Shiroishi's office at (323) 442-8541 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Mark Shiroishi?

    Please contact Dr. Shiroishi's office at (323) 442-8541 to schedule an appointment.

    Where is Dr. Shiroishi's office located?

    Dr. Shiroishi's offices are located in Los Angeles, CA, Arcadia, CA, and Glendale, CA.