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Dr. Margaret Riordan, MD

Neurosurgeon

Oakland, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Riordan, Neurosurgeon in Oakland, CA?

    Dr. Margaret Riordan, MD is a Neurosurgeon, who primarily practices in Oakland, CA with 1 additional practice location. Dr. Riordan is fluent in English, Amharic, Chinese, and Spanish, and is currently seeing new patients. Dr. Riordan’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Riordan’s office at (415) 472-1000.

    What languages does Dr. Riordan speak?

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

    • Amharic
    • Chinese
    • English
    • Spanish

    What conditions does a Neurosurgeon like Dr. Riordan typically treat?

    As a Neurosurgeon, Dr. Riordan 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. Riordan. 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:

    • Benign Meningioma
    • Benign Tumor
    • Non-cancerous brain or spinal lining tumor
    • Meningeal tumor
    • Brain membrane tumor

    ICD-10 Codes:

    • D329: Benign neoplasm of meninges, unspecified

    Also known as:

    • Traumatic Subdural Brain Bleed
    • Subdural Hematoma
    • Head Bleed
    • Brain Hemorrhage
    • Head Injury

    ICD-10 Codes:

    • S065XAA: Traumatic subdural hemorrhage with loss of consciousness status unknown, initial encounter

    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:

    • Benign Pituitary Tumor
    • Benign Tumor
    • Pituitary Disorder
    • Pituitary Tumor Treatment (PDQ)
    • Prolactinoma
    • Non-cancerous growth in pituitary gland
    • Pituitary adenoma

    ICD-10 Codes:

    • D352: Benign neoplasm of pituitary gland

    Also known as:

    • Brain Aneurysm
    • Cerebral Aneurysm
    • Brain Artery Bulge
    • Intracranial Aneurysm

    ICD-10 Codes:

    • I671: Cerebral aneurysm, nonruptured

    Also known as:

    • Neck Spinal Stenosis
    • Neck Injuries and Disorder
    • Spinal Stenosis
    • Narrowing of Neck Spinal Canal
    • Cervical Spinal Canal Narrowing
    • Cervical Stenosis

    ICD-10 Codes:

    • M4802: Spinal stenosis, cervical region

    Does Dr. Riordan accept my insurance?

    Dr. Riordan accepts most major insurance plans. Important: Please call our office at (415) 472-1000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Riordan accept in Oakland, CA?

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

    Top Insurances

    • Alignment Healthcare

    • Blue Shield of California

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Jefferson Health

    • Kaiser Permanente

    • Medicare

    • State of California

    • Sutter Health

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Riordan's office located?

    Dr. Margaret Riordan's Primary Practice

    1411 E 31st St

    Oakland, CA 94602

    (415) 472-1000

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    Dr. Margaret Riordan's Practice 2

    400 Parnassus Ave

    San Francisco, CA 94143

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

    Dr. Riordan's National Provider Identifier (NPI) number is 1902061955.

    What common questions do patients ask about Dr. Riordan?

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

    What is Dr. Margaret Riordan's specialty?

    Dr. Riordan is a Neurosurgeon near Oakland, CA.

    What does a Neurosurgeon do?

    A neurological surgeon is responsible to provide the operative and non-operative management which includes prevention, diagnosis, evaluation, treatment, critical care, & rehabilitation of various disorders related to the central, peripheral, and autonomic nervous systems. This includes their supporting structures and vascular supply, the complete evaluation and treatment of pathological process which is known to modify function or activity of the nervous system, the operative & non-operative management of pain. A neurological surgeon has specialization in treating patients with disorders of the nervous system which includes conditions affecting the brain, meninges, skull, and their blood supply, such as the extracranial carotid and vertebral arteries. They also manage disorders related to the pituitary gland, spinal cord, meninges, and vertebral column, including those that may require spinal fusion or instrumentation. In addition to this, they treat conditions affecting the cranial and spinal nerves throughout their course in the body.

    Is Dr. Margaret Riordan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Riordan is affiliated with Kaiser Permanente Oakland Medical Center, Uc Davis Medical Center, Stanford Health Care - Valleycare, Eden Medical Center, San Mateo 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

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

    Understand your symptoms and know when it’s time to see a Neurosurgeon. 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. Margaret Riordan accepting new patients in Oakland, CA?

    Yes, Dr. Margaret Riordan is accepting new patients at this time.

    Does Dr. Margaret Riordan offer online booking?

    Please contact Dr. Riordan's office at (415) 472-1000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Margaret Riordan?

    Please contact Dr. Riordan's office at (415) 472-1000 to schedule an appointment.

    Where is Dr. Riordan's office located?

    Dr. Riordan's offices are located in Oakland, CA and San Francisco, CA.