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Dr. William Ko, MD

Fullerton, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Ko, Pain Medicine Specialist - Anesthesiologist in Fullerton, CA?

    Dr. William Ko, MD is a Pain Medicine Specialist - Anesthesiologist, who primarily practices in Fullerton, CA with 2 additional practice locations. He is board certified. Dr. Ko completed his residency at La Co Harbor Ucla Med Ctr, Anesthesiology; La Co Harbor Ucla Med Ctr, General Surgery; Wake Forest U Baptist Med Ctr, Plastic Surgery. Dr. Ko is fluent in English, Chinese, and Spanish, and is currently seeing new patients. Dr. Ko’s practice accepts Cigna, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ko’s office at (714) 446-5200.

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

    • Residency: La Co Harbor Ucla Med Ctr, Anesthesiology; La Co Harbor Ucla Med Ctr, General Surgery; Wake Forest U Baptist Med Ctr, Plastic Surgery

    • Medical School: University of Southern Ca Sch of Med, Los Angeles Ca

    What languages does Dr. Ko speak?

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

    • Chinese

    • English

    • Spanish

    What conditions does Dr. Ko treat?

    As a Pain Medicine Specialist - Anesthesiologist, Dr. Ko 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. Ko. 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:

    • Pinched Nerve in Lower Back
    • Pinched Nerve in Neck
    • Back Pain
    • Peripheral Nerve Disorder
    • Neck Injuries and Disorder
    • Lumbar Radiculopathy
    • Lower Back Nerve Compression
    • Compressed Nerve in Lower Back
    • Cervical Radiculopathy
    • Neck Nerve Compression
    • Compressed Nerve in Neck

    ICD-10 Codes:

    • M5416: Radiculopathy, lumbar region
    • M5412: Radiculopathy, cervical region

    Also known as:

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

    ICD-10 Codes:

    • M47816: Spondylosis without myelopathy or radiculopathy, lumbar region
    • M47812: Spondylosis without myelopathy or radiculopathy, cervical region

    Also known as:

    • Sacroiliac Joint Inflammation
    • Back Pain
    • SI Joint Inflammation
    • Sacroiliac Dysfunction
    • Inflamed SI Joint

    ICD-10 Codes:

    • M461: Sacroiliitis, not elsewhere classified

    Also known as:

    • Pain in Right Knee
    • Knee Injuries and Disorder
    • Pain
    • Right Knee Ache
    • Right Knee Discomfort
    • Sore Right Knee

    ICD-10 Codes:

    • M25561: Pain in right knee

    Also known as:

    • Fibromyalgia
    • Widespread pain syndrome
    • Chronic muscle pain
    • Fibromyositis

    ICD-10 Codes:

    • M797: Fibromyalgia

    Also known as:

    • Right Trochanteric Bursitis
    • Left Hip Bursitis
    • Bursitis
    • Hip Injuries and Disorder
    • Right Hip Bursitis
    • Inflamed Right Hip Bursa
    • Right Greater Trochanteric Bursitis
    • Left Trochanteric Bursitis
    • Inflamed left hip bursa
    • Left hip joint inflammation

    ICD-10 Codes:

    • M7061: Trochanteric bursitis, right hip
    • M7062: Trochanteric bursitis, left hip

    Also known as:

    • Other Chronic Pain Condition
    • Chronic pain syndrome
    • Chronic Pain
    • Various chronic pain
    • Unspecified long-term pain
    • Persistent pain disorders
    • Persistent pain syndrome
    • Long-term pain condition
    • Chronic widespread pain

    ICD-10 Codes:

    • G8929: Other chronic pain
    • G894: Chronic pain syndrome

    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:

    • Low Back Pain
    • Back Pain
    • Lumbago
    • Lower Back Ache
    • Backache

    ICD-10 Codes:

    • M5450: Low back pain, unspecified

    Also known as:

    • Lower Back Spondylosis with Pinched Nerve
    • Peripheral Nerve Disorder
    • Spine Injuries and Disorder
    • Lumbar Spondylotic Radiculopathy
    • Lower Back Arthritis with Nerve Pain
    • Pinched Nerve in Lower Back

    ICD-10 Codes:

    • M4726: Other spondylosis with radiculopathy, lumbar region

    Also known as:

    • Right Hip Pain
    • Hip Injuries and Disorder
    • Pain
    • Sore Right Hip
    • Right Hip Ache
    • Right Hip Discomfort

    ICD-10 Codes:

    • M25551: Pain in right hip

    Also known as:

    • Tailbone Disorder
    • Spine Injuries and Disorder
    • Coccyx Disorder
    • Sacrococcygeal Pain
    • Tailbone Pain

    ICD-10 Codes:

    • M533: Sacrococcygeal disorders, not elsewhere classified

    Also known as:

    • Right Shoulder Pain
    • Pain
    • Shoulder Injuries and Disorder
    • Sore Right Shoulder
    • Right Shoulder Ache
    • Right Shoulder Discomfort

    ICD-10 Codes:

    • M25511: Pain in right shoulder

    Also known as:

    • Muscle Pain
    • Muscle Disorder
    • Myalgia
    • Muscle Ache
    • Muscle Soreness

    ICD-10 Codes:

    • M7918: Myalgia, other site

    Also known as:

    • Multiple Nerve Damage
    • Peripheral Nerve Disorder
    • Polyneuropathy
    • Generalized Nerve Damage
    • Widespread Neuropathy

    ICD-10 Codes:

    • G629: Polyneuropathy, unspecified

    Also known as:

    • Joint Pain
    • Joint Disorder
    • Pain
    • Arthralgia
    • Aching joints
    • Sore joints

    ICD-10 Codes:

    • M2550: Pain in unspecified joint

    Which procedures does Dr. Ko perform as a Pain Medicine Specialist - Anesthesiologist?

    Does Dr. Ko accept my insurance?

    Dr. Ko accepts most major insurance plans. Important: Please call our office at (714) 446-5200 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Ko accept in Fullerton, CA?

    Dr. Ko in Fullerton, 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

    • CalOptima

    • Centene

    • Cigna

    • CVS Health (formerly Aetna)

    • Medicaid

    • Medicare

    • St. Joseph Health System (CA)

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Ko's office located?

    Dr. William Ko's Primary Practice

    100 E Valencia Mesa Dr Ste 105

    Fullerton, CA 92835

    (714) 446-5200

    Get Directions

    Dr. William Ko's Practice 2

    27700 Medical Center Rd

    Mission Viejo, CA 92691

    Get Directions

    Dr. William Ko's Practice 3

    1950 Sunny Crest Dr Ste 2900

    Fullerton, CA 92835

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

    Dr. Ko's National Provider Identifier (NPI) number is 1629011762.

    What common questions do patients ask about Dr. Ko?

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

    What is Dr. William Ko's specialty?

    Dr. Ko is a Pain Medicine Specialist - Anesthesiologist near Fullerton, CA. In both hospital and outpatient settings, an anesthesiologist offers patients with acute, chronic, and/or cancer pain a high standard of care by serving as their primary care physician or consultant. Moreover, the anesthesiologist collaborates with other specialists to coordinate the needs of patient care. Contact Dr. Ko to book an appointment today.

    Is this Dr. William Ko affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Ko is affiliated with Providence St. Jude Medical Center which is a Castle Connolly Top Hospital. 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 Pain Medicine Specialist - Anesthesiologist?

    Explore Pain Medicine Specialist - Anesthesiologist 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 William Ko accepting new patients in Fullerton, CA?

    Yes, Dr. William Ko is accepting new patients at this time.

    Does Dr. William Ko offer online booking?

    Please contact Dr. Ko's office at (714) 446-5200 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with William Ko?

    Please contact Dr. Ko's office at (714) 446-5200 for information regarding telehealth appointment availability or for scheduling assistance.

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