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Dr. Kamyar Assil, MD

Simi Valley, CA

29 Years of Experience

Accepting patients

    Who is Dr. Assil, Interventional Pain Medicine Specialist in Simi Valley, CA?

    Dr. Kamyar Assil, MD is an Interventional Pain Medicine Specialist, who primarily practices in Simi Valley, CA with 2 additional practice locations. He has been practicing for over 29 years and is board certified. Dr. Assil completed his residency at SUNY Health Science Center Brooklyn. Dr. Assil is fluent in English, Persian, and Spanish, and is currently seeing new patients. Dr. Assil’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Assil’s office at (805) 379-4574.

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

    • Residency: SUNY Health Science Center Brooklyn

    Is Dr. Assil board certified as an Interventional Pain Medicine Specialist?

    Yes, Dr. Kamyar Assil, MD is board certified by the American Board of Anesthesiology

    What languages does Dr. Assil speak?

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

    • English

    • Persian

    • Spanish

    What conditions does Dr. Assil treat?

    As an Interventional Pain Medicine Specialist, Dr. Assil 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. Assil. 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:

    • Lower Back Disc Disorder with Nerve Pain
    • Peripheral Nerve Disorder
    • Spine Injuries and Disorder
    • Herniated Disc in Lower Back with Radiculopathy
    • Slipped Disc in Lower Back causing Nerve Pain
    • Lumbar Radiculopathy

    ICD-10 Codes:

    • M5116: Intervertebral disc disorders with radiculopathy, lumbar 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:

    • Neck and Upper Back Disc Disorder with Nerve Pain
    • Neck Injuries and Disorder
    • Peripheral Nerve Disorder
    • Herniated Disc in Neck/Upper Back with Radiculopathy
    • Pinched Nerve in Neck/Upper Back
    • Slipped Disc causing Nerve Pain in Neck/Upper Back

    ICD-10 Codes:

    • M5013: Cervical disc disorder with radiculopathy, cervicothoracic region

    Also known as:

    • Lower Back Spinal Stenosis with Nerve Pain in Legs
    • Spinal Stenosis
    • Lumbar Spinal Stenosis with Claudication
    • Narrowing of Lower Back Spinal Canal with Leg Pain
    • Nerve Compression in Lower Back with Walking Pain

    ICD-10 Codes:

    • M48062: Spinal stenosis, lumbar region with neurogenic claudication

    Also known as:

    • Mid-Back Disc Disorder with Pinched Nerve
    • Peripheral Nerve Disorder
    • Spine Injuries and Disorder
    • Thoracic Radiculopathy
    • Pinched Nerve in Mid-Back
    • Mid-Back Disc Disease with Nerve Pain

    ICD-10 Codes:

    • M5114: Intervertebral disc disorders with radiculopathy, thoracic region

    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:

    • Pinched Nerve in Lower Back
    • Back Pain
    • Peripheral Nerve Disorder
    • Lumbar Radiculopathy
    • Lower Back Nerve Compression
    • Compressed Nerve in Lower Back

    ICD-10 Codes:

    • M5416: Radiculopathy, lumbar region

    Also known as:

    • Complex regional pain syndrome of right arm
    • Complex Regional Pain Syndrome
    • CRPS right arm
    • RSD right upper limb
    • Right arm nerve pain

    ICD-10 Codes:

    • G90511: Complex regional pain syndrome I of right upper limb

    Also known as:

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

    ICD-10 Codes:

    • M461: Sacroiliitis, not elsewhere classified

    What procedures does Dr. Assil perform?

    As an Interventional Pain Medicine Specialist, Dr. Assil 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. Assil. 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:

    • Lumbar Transforaminal Epidural Injection
    • Epidural Steroid Injection
    • Facet Joint Injection (Lower Back/Sacrum)
    • TFESI (Lumbar)
    • Nerve Root Block (Lumbar)
    • Lower Back Nerve Injection with Imaging
    • Cervical Epidural Injection
    • Thoracic Epidural Injection
    • Spinal Nerve Block
    • Pain Relief Spinal Injection
    • Lumbar Facet Joint Injection
    • Sacral Facet Joint Injection
    • Paravertebral Facet Injection
    • Lower Back Pain Injection (Guided)

    CPT Codes:

    • 64483: Injection(s), anesthetic agent(s) and/or steroid; transforaminal epidural, with imaging guidance (fluoroscopy or CT), lumbar or sacral, single level
    • 62321: Injection(s), of diagnostic or therapeutic substance(s) (eg, anesthetic, antispasmodic, opioid, steroid, other solution), not including neurolytic substances, including needle or catheter placement, interlaminar epidural or subarachnoid, cervical or thoracic; with imaging guidance (ie, fluoroscopy or CT)
    • 64493: Injection(s), diagnostic or therapeutic agent, paravertebral facet (zygapophyseal) joint (or nerves innervating that joint) with image guidance (fluoroscopy or CT), lumbar or sacral; single level

    Also known as:

    • Lumbar or Sacral Epidural Injection (Guided)
    • Guided Facet Joint Injection (Neck/Upper Back)
    • Sacroiliac Joint Injection
    • Spinal Nerve Block Injection
    • Stellate Ganglion Nerve Block
    • Transforaminal Epidural Injection
    • Spinal Nerve Block
    • Lower Back Pain Injection with Guidance
    • Paravertebral Facet Joint Injection
    • Cervical Facet Injection
    • Thoracic Facet Injection
    • Zygapophyseal Joint Injection
    • SI joint injection
    • Sacroiliac steroid injection
    • Image-guided SI joint injection
    • Sacroiliac joint block
    • Cervical Epidural Injection
    • Thoracic Epidural Injection
    • Nerve Root Block
    • Cervical Sympathetic Block
    • Stellate Ganglion Injection
    • Nerve Block for Pain
    • Sympathetic Nerve Block

    CPT Codes:

    • 64484: Injection(s), anesthetic agent(s) and/or steroid; transforaminal epidural, with imaging guidance (fluoroscopy or CT), lumbar or sacral, each additional level (List separately in addition to code for primary procedure)
    • 64490: Injection(s), diagnostic or therapeutic agent, paravertebral facet (zygapophyseal) joint (or nerves innervating that joint) with image guidance (fluoroscopy or CT), cervical or thoracic; single level
    • 27096: Injection procedure for sacroiliac joint, anesthetic/steroid, with image guidance (fluoroscopy or CT) including arthrography when performed
    • 64479: Injection(s), anesthetic agent(s) and/or steroid; transforaminal epidural, with imaging guidance (fluoroscopy or CT), cervical or thoracic, single level
    • 64510: Injection, anesthetic agent; stellate ganglion (cervical sympathetic)

    Also known as:

    • Lumbar or Sacral Facet Joint Injection
    • Lumbar/Sacral Facet Joint Nerve Destruction (Additional)
    • Facet joint block
    • Zygapophyseal joint injection
    • Lower back facet injection
    • Sacral facet injection
    • Facet Joint Nerve Ablation
    • Radiofrequency Ablation (RFA) Spine
    • Lumbar Facet Denervation

    CPT Codes:

    • 64494: Injection(s), diagnostic or therapeutic agent, paravertebral facet (zygapophyseal) joint (or nerves innervating that joint) with image guidance (fluoroscopy or CT), lumbar or sacral; second level (List separately in addition to code for primary procedure)
    • 64636: Destruction by neurolytic agent, paravertebral facet joint nerve(s), with imaging guidance (fluoroscopy or CT); lumbar or sacral, each additional facet joint (List separately in addition to code for primary procedure)

    Also known as:

    • Facet Joint Injection (Neck/Upper Back)
    • Cervical Facet Injection
    • Thoracic Facet Injection
    • Zygapophyseal Joint Injection
    • Spinal Joint Injection

    CPT Codes:

    • 64491: Injection(s), diagnostic or therapeutic agent, paravertebral facet (zygapophyseal) joint (or nerves innervating that joint) with image guidance (fluoroscopy or CT), cervical or thoracic; second level (List separately in addition to code for primary procedure)

    Also known as:

    • Facet Joint Nerve Ablation (Lumbar/Sacral)
    • Sacroiliac Joint Nerve Ablation
    • Lumbar Facet Joint Denervation
    • Sacral Facet Nerve Block
    • Radiofrequency Ablation for Back Pain
    • SI Joint Radiofrequency Ablation
    • Nerve Burning for SI Joint Pain
    • Sacroiliac Nerve Treatment

    CPT Codes:

    • 64635: Destruction by neurolytic agent, paravertebral facet joint nerve(s), with imaging guidance (fluoroscopy or CT); lumbar or sacral, single facet joint
    • 64625: Radiofrequency ablation, nerves innervating the sacroiliac joint, with image guidance (ie, fluoroscopy or computed tomography)

    Also known as:

    • Nerve Ablation for Neck or Upper Back Pain
    • Facet Joint Nerve Ablation
    • Radiofrequency Ablation (RFA) Neck
    • Cervical Facet Denervation
    • Thoracic Facet Nerve Block

    CPT Codes:

    • 64633: Destruction by neurolytic agent, paravertebral facet joint nerve(s), with imaging guidance (fluoroscopy or CT); cervical or thoracic, single facet joint

    Also known as:

    • Facet Joint Nerve Ablation (Neck/Mid-Back)
    • Radiofrequency Ablation Facet Joint
    • Cervical Facet Nerve Destruction
    • Thoracic Facet Nerve Block
    • Spine Nerve Ablation

    CPT Codes:

    • 64634: Destruction by neurolytic agent, paravertebral facet joint nerve(s), with imaging guidance (fluoroscopy or CT); cervical or thoracic, each additional facet joint (List separately in addition to code for primary procedure)

    Also known as:

    • Minimally Invasive Lumbar Spine Decompression
    • Lumbar Spine Stabilization Device Insertion
    • Lumbar Spine Stabilization Device Insertion (Second Level)
    • Percutaneous Laminotomy
    • Lumbar Laminectomy
    • Spinal Decompression Surgery
    • Image-Guided Spine Surgery
    • Interspinous device placement
    • Lumbar interlaminar device
    • Spine distraction device (lumbar)
    • Interspinous Device Placement
    • Spine Distraction Device
    • Lumbar Stabilization Implant

    CPT Codes:

    • 0275T: Percutaneous laminotomy/laminectomy (interlaminar approach) for decompression of neural elements, (with or without ligamentous resection, discectomy, facetectomy and/or foraminotomy), any method, under indirect image guidance (eg, fluoroscopic, CT), single or multiple levels, unilateral or bilateral; lumbar
    • 22869: Insertion of interlaminar/interspinous process stabilization/distraction device, without open decompression or fusion, including image guidance when performed, lumbar; single level
    • 22870: Insertion of interlaminar/interspinous process stabilization/distraction device, without open decompression or fusion, including image guidance when performed, lumbar; second level (List separately in addition to code for primary procedure)

    Does Dr. Assil accept my insurance?

    Dr. Assil accepts most major insurance plans. Important: Please call our office at (805) 379-4574 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Assil accept in Simi Valley, CA?

    Dr. Assil in Simi Valley, 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

    • Crown Cork and Seal Company

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Express Scripts

    • Medicare

    • State of Tennessee

    • UnitedHealthcare

    • Ventura County Health Plan

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    Where is Dr. Assil's office located?

    Dr. Kamyar Assil's Primary Practice

    2525 Erringer Rd

    Simi Valley, CA 93065

    (805) 379-4574

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    Dr. Kamyar Assil's Practice 2

    2230 Lynn Rd Ste 220

    Thousand Oaks, CA 91360

    (805) 379-4574

    Get Directions

    Dr. Kamyar Assil's Practice 3

    137 E Thousand Oaks Blvd

    Thousand Oaks, CA 91360

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

    Dr. Assil's National Provider Identifier (NPI) number is 1750321568.

    What common questions do patients ask about Dr. Assil?

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

    What is Dr. Kamyar Assil's specialty?

    Dr. Assil is a Interventional Pain Medicine Specialist near Simi Valley, CA. Interventional pain medicine focuses on diagnosing and treating pain and related disorders using interventional techniques. It is primarily aimed at managing subacute, chronic, persistent, and intractable pain, either as a standalone treatment or in combination with other therapeutic approaches. Contact Dr. Assil to book an appointment today.

    Is this Dr. Kamyar Assil affiliated with a ranked Castle Connolly Top Hospital?

    No, Assil is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Dignity Health - Northridge Hospital Medical Center. 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 Interventional Pain Medicine Specialist?

    Explore Interventional Pain Medicine Specialist 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 Kamyar Assil accepting new patients in Simi Valley, CA?

    Yes, Dr. Kamyar Assil is accepting new patients at this time.

    Does Dr. Kamyar Assil offer online booking?

    Please contact Dr. Assil's office at (805) 379-4574 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Kamyar Assil?

    Please contact Dr. Assil's office at (805) 379-4574 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Kamyar Assil have?

    Dr. Kamyar Assil is certified by the American Board of Anesthesiology.

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