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    Who is Dr. Koolwijk, Developmental-Behavioral Pediatrician in Los Angeles, CA?

    Dr. Irene Koolwijk, MD is a Developmental-Behavioral Pediatrician, who primarily practices in Los Angeles, CA with 2 additional practice locations. She is board certified by the American Board of Pediatrics. Dr. Koolwijk graduated from University Hospital Leiden and completed her residency at Cleveland Clinic. Dr. Koolwijk is fluent in English, Dutch, and Flemish, and is currently seeing new patients. Dr. Koolwijk’s practice accepts Cigna, Medicaid, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Koolwijk’s office at (310) 825-0867.

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

    • Fellowship: Children's Hospital Boston, Boston

    • Residency: Cleveland Clinic

    • Medical School: University Hospital Leiden

    Is Dr. Koolwijk board certified in Developmental-Behavioral Pediatrician?

    Yes, Dr. Irene Koolwijk, MD is board certified by the American Board of Pediatrics

    What languages does Dr. Koolwijk speak?

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

    • Dutch

    • English

    • Flemish

    What conditions does Dr. Koolwijk treat?

    As a Developmental-Behavioral Pediatrician, Dr. Koolwijk 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. Koolwijk. 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:

    • Autism
    • Autism Spectrum Disorder
    • Classic Autism', 'Kanner's Syndrome
    • Severe Autism

    ICD-10 Codes:

    • F840: Autistic disorder

    Also known as:

    • ADHD, Combined Type
    • ADHD, Predominantly Inattentive Type
    • ADHD, Predominantly Hyperactive-Impulsive Type
    • Attention Deficit Hyperactivity Disorder
    • Attention-deficit/hyperactivity disorder
    • Combined ADHD
    • Typical ADHD
    • ADD
    • Inattentive ADHD
    • Hyperactive ADHD
    • Impulsive ADHD

    ICD-10 Codes:

    • F902: Attention-deficit hyperactivity disorder, combined type
    • F900: Attention-deficit hyperactivity disorder, predominantly inattentive type
    • F901: Attention-deficit hyperactivity disorder, predominantly hyperactive type

    Also known as:

    • Developmental Speech and Language Disorder
    • Mixed Receptive-Expressive Language Disorder
    • Phonological Disorder
    • Expressive Language Disorder
    • Speech and Communication Disorder
    • Childhood Language Delay
    • Global Speech Delay
    • Unspecified Communication Disorder
    • Global Language Disorder
    • Understanding and Speaking Disorder
    • Combined Language Impairment
    • Speech Sound Disorder
    • Articulation Disorder
    • Sound Production Disorder
    • Language Production Disorder
    • Verbal Expression Difficulty
    • Speech Output Disorder

    ICD-10 Codes:

    • F809: Developmental disorder of speech and language, unspecified
    • F802: Mixed receptive-expressive language disorder
    • F800: Phonological disorder
    • F801: Expressive language disorder

    Also known as:

    • Generalized Anxiety Disorder
    • Anxiety
    • GAD
    • Chronic Worry
    • Excessive Worry Disorder

    ICD-10 Codes:

    • F411: Generalized anxiety disorder

    Also known as:

    • Anxiety Disorder
    • Social Anxiety Disorder
    • Anxiety
    • Phobias
    • General Anxiety
    • Anxiety Problems
    • Nervous Disorder
    • Social Phobia
    • Social Fear
    • Fear of Social Situations

    ICD-10 Codes:

    • F419: Anxiety disorder, unspecified
    • F4010: Social phobia, unspecified

    Also known as:

    • Other Developmental Disabilities
    • Developmental Disabilities
    • Atypical psychological development
    • Unspecified developmental disorder

    ICD-10 Codes:

    • F88: Other disorders of psychological development

    Also known as:

    • Behavioral Changes
    • Mental Disorder
    • Changes in behavior
    • Unusual appearance
    • Behavioral symptoms

    ICD-10 Codes:

    • R4689: Other symptoms and signs involving appearance and behavior

    Also known as:

    • Sleep Disorder
    • Sleep Problem
    • Sleep Disturbance
    • Trouble Sleeping

    ICD-10 Codes:

    • G479: Sleep disorder, unspecified

    Also known as:

    • Attention Deficit Hyperactivity Disorder
    • Attention-deficit/hyperactivity disorder
    • ADHD
    • ADD
    • Hyperactivity Disorder

    ICD-10 Codes:

    • F909: Attention-deficit hyperactivity disorder, unspecified type

    Also known as:

    • Dyslexia
    • Learning Disabilities
    • Reading Disability
    • Specific Learning Disorder with Impairment in Reading
    • Reading Difficulties

    ICD-10 Codes:

    • F810: Specific reading disorder

    Does Dr. Koolwijk accept my insurance?

    Dr. Koolwijk accepts most major insurance plans. Important: Please call our office at (310) 825-0867 before your appointment to verify that your specific plan and network are accepted.

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

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

    Top Insurances

    • All Other Third Party

    • Blue Shield of California

    • Centene

    • Cigna

    • City of Los Angeles

    • Directors Guild of America Employees

    • Elevance Health Inc. (formerly Anthem)

    • Medicaid

    • State of California

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Koolwijk's office located?

    Dr. Irene Koolwijk's Primary Practice

    300 UCLA Medical Plz Ste 3300

    Los Angeles, CA 90095

    (310) 825-0867

    Get Directions

    Dr. Irene Koolwijk's Practice 2

    1260 15th St Ste 1024

    Santa Monica, CA 90404

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    Dr. Irene Koolwijk's Practice 3

    10833 Le Conte Ave

    Los Angeles, CA 90095

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

    Dr. Koolwijk's National Provider Identifier (NPI) number is 1518164706.

    What common questions do patients ask about Dr. Koolwijk?

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

    What is Dr. Irene Koolwijk's specialty?

    Dr. Koolwijk is a Developmental-Behavioral Pediatrician near Los Angeles, CA. A developmental-behavioral specialist is a pediatrician with advanced training and experience focused on promoting the optimal development of children and families through research, education, clinical care, and advocacy. This physician plays a key role in preventing, diagnosing, and managing developmental challenges and problematic behaviors in children, as well as addressing family dysfunctions that may hinder children's development. Contact Dr. Koolwijk to book an appointment today.

    Is this Dr. Irene Koolwijk affiliated with a ranked Castle Connolly Top Hospital?

    No, Koolwijk is not affiliated with a Castle Connolly Top Hospital. 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 Developmental-Behavioral Pediatrician?

    Explore Developmental-Behavioral Pediatrician 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 Irene Koolwijk accepting new patients in Los Angeles, CA?

    Yes, Dr. Irene Koolwijk is accepting new patients at this time.

    Does Dr. Irene Koolwijk offer online booking?

    Please contact Dr. Koolwijk's office at (310) 825-0867 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Irene Koolwijk?

    Please contact Dr. Koolwijk's office at (310) 825-0867 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Irene Koolwijk have?

    Dr. Irene Koolwijk is certified by the American Board of Pediatrics.

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