MR
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, UnitedHealthcare 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 Dr. Riordan 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.
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:
- 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
Also known as:
- Brain Aneurysm
- Cerebral Aneurysm
- Brain Artery Bulge
- Intracranial Aneurysm
ICD-10 Codes:
- I671: Cerebral aneurysm, nonruptured
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
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
Alameda Alliance
All Other Third Party
CalOptima
Contra Costa
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Kaiser Permanente
Medicare
UnitedHealthcare
View All Insurances
Where is Dr. Riordan's office located?
What is Dr. Riordan's NPI number?An 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. 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. Contact Dr. Riordan to book an appointment today.
Is this Dr. Margaret Riordan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Riordan is affiliated with Kaiser Permanente Oakland Medical Center, Doctors Medical Center of Modesto, UC Davis Medical Center, San Mateo Medical Center, Kaiser Permanente South Sacramento Medical Center, Stanford Health Care - ValleyCare 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 Neurosurgeon?
Explore Neurosurgeon 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 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 Margaret Riordan?
Please contact Dr. Riordan's office at (415) 472-1000 for information regarding telehealth appointment availability or for scheduling assistance.
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