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Dr. Hyojoon Hahn, MD

Lancaster, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Hahn, Diagnostic Radiologist in Lancaster, CA?

    Dr. Hyojoon Hahn, MD is a Diagnostic Radiologist, who primarily practices in Lancaster, CA with 2 additional practice locations. He is board certified by the American Board of Radiology. Dr. Hahn is fluent in English and Korean, and is currently seeing new patients. Dr. Hahn’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hahn’s office at (310) 914-7336.

    Is Dr. Hahn board certified in Diagnostic Radiologist?

    Yes, Dr. Hyojoon Hahn, MD is board certified by the American Board of Radiology

    What languages does Dr. Hahn speak?

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

    • English

    • Korean

    What conditions does Dr. Hahn treat?

    As a Diagnostic Radiologist, Dr. Hahn 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. Hahn. 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:

    • 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:

    • 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:

    • Other Nervous System Symptoms
    • Neurologic Disease
    • Unusual Neurological Symptoms
    • Nerve Problems
    • Brain and Nerve Issues

    ICD-10 Codes:

    • R29818: Other symptoms and signs involving the nervous system

    Also known as:

    • Ischemic Stroke
    • Brain Attack
    • Cerebral Infarction
    • Brain Ischemia
    • Lack of Blood Flow to Brain
    • Stroke due to clot

    ICD-10 Codes:

    • I639: Cerebral infarction, unspecified
    • I6381: Other cerebral infarction due to occlusion or stenosis of small artery

    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 Lump or Swelling
    • Neck Lump or Swelling
    • Head Mass
    • Bump on Head
    • Head Nodule
    • Neck Mass
    • Bump on Neck
    • Neck Nodule

    ICD-10 Codes:

    • R220: Localized swelling, mass and lump, head
    • R221: Localized swelling, mass and lump, neck

    Also known as:

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

    ICD-10 Codes:

    • R42: Dizziness and giddiness

    Also known as:

    • Scalp Bruise
    • Bruise on Head
    • Bruises
    • Bruised scalp
    • Scalp contusion
    • Head bump
    • Head contusion
    • Black and blue mark on head

    ICD-10 Codes:

    • S0003XA: Contusion of scalp, initial encounter
    • S0083XA: Contusion of other part of head, initial encounter

    Also known as:

    • Neck Pain
    • Neck Injuries and Disorder
    • Cervical Pain
    • Sore Neck
    • Neck Ache

    ICD-10 Codes:

    • M542: Cervicalgia

    Also known as:

    • Temporary Confusion
    • Delirium
    • Mental Disorder
    • Acute Confusion
    • Sudden Mental Changes
    • Brief Disorientation

    ICD-10 Codes:

    • R404: Transient alteration of awareness

    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:

    • Lower Back Injury
    • Back Injuries
    • Lumbar Injury
    • Back Trauma
    • Spinal Injury
    • Lower Back Pain Cause

    ICD-10 Codes:

    • S3992XA: Unspecified injury of lower back, initial encounter

    Also known as:

    • Carotid Artery Disease
    • Carotid Stenosis
    • Blocked Carotid Artery
    • Neck Artery Disease
    • Carotid Artery Narrowing

    ICD-10 Codes:

    • I6523: Occlusion and stenosis of bilateral carotid arteries

    Also known as:

    • Lower Back Spondylosis
    • Spine Injuries and Disorder
    • Lumbar Spondylosis
    • Lower Back Arthritis
    • Degenerative Lumbar Spine Disease

    ICD-10 Codes:

    • M47816: Spondylosis without myelopathy or radiculopathy, lumbar region

    Also known as:

    • Face Injury
    • Facial Injuries and Disorder
    • Facial Trauma
    • Facial Damage
    • Broken Face Bones

    ICD-10 Codes:

    • S0993XA: Unspecified injury of face, initial encounter

    Which procedures does Dr. Hahn perform as a Diagnostic Radiologist?

    As a Diagnostic Radiologist, procedures performed by a Dr. Hyojoon Hahn may include:

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

    Does Dr. Hahn accept my insurance?

    Dr. Hahn accepts most major insurance plans. Important: Please call our office at (310) 914-7336 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Hahn accept in Lancaster, CA?

    Dr. Hahn in Lancaster, 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

    • Centene

    • City of Los Angeles

    • Heritage Health

    • Kaiser Permanente

    • Medicaid

    • Other Health Care Provider

    • Preferred IPA

    • Scan Health Plan

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Hahn's office located?

    Dr. Hyojoon Hahn's Primary Practice

    44105 15th St W Ste 100

    Lancaster, CA 93534

    (310) 914-7336

    Get Directions

    Dr. Hyojoon Hahn's Practice 2

    8670 Wilshire Blvd Ste 101

    Beverly Hills, CA 90211

    (310) 358-2100

    Get Directions

    Dr. Hyojoon Hahn's Practice 3

    7216 Beverly Blvd

    Los Angeles, CA 90036

    Get Directions

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

    Dr. Hahn's National Provider Identifier (NPI) number is 1407880073.

    What common questions do patients ask about Dr. Hahn?

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

    What is Dr. Hyojoon Hahn's specialty?

    Dr. Hahn is a Diagnostic Radiologist near Lancaster, CA. A radiologist is a medical doctor who specializes in using imaging technologies to diagnose, manage, and treat various medical conditions. Radiologists typically focus on Diagnostic Radiology, Interventional Radiology, or Radiation Oncology, and may also obtain certifications in a range of subspecialties, such as neuroradiology, musculoskeletal radiology, or pediatric radiology. Additionally, board certifications are available in Medical Physics, which ensures the safe and effective use of radiation in imaging and treatment. Radiologists collaborate with other healthcare professionals to interpret imaging results and help guide patient care decisions. Contact Dr. Hahn to book an appointment today.

    Is this Dr. Hyojoon Hahn affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Hahn is affiliated with Dignity Health - Northridge Hospital Medical Center, Providence Saint Joseph Medical Center, Valley Presbyterian Hospital, Dignity Health - California Hospital 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

    Where can I learn more about Diagnostic Radiologist?

    Explore Diagnostic Radiologist 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 Hyojoon Hahn accepting new patients in Lancaster, CA?

    Yes, Dr. Hyojoon Hahn is accepting new patients at this time.

    Does Dr. Hyojoon Hahn offer online booking?

    Please contact Dr. Hahn's office at (310) 914-7336 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Hyojoon Hahn?

    Please contact Dr. Hahn's office at (310) 914-7336 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Hyojoon Hahn have?

    Dr. Hyojoon Hahn is certified by the American Board of Radiology.

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