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Dr. John Colby, MD, PHD

Greenbrae, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Colby, Neuroradiologist in Greenbrae, CA?

    Dr. John Colby, MD, PHD is a Neuroradiologist, who primarily practices in Greenbrae, CA with 2 additional practice locations. He is board certified. Dr. Colby is fluent in English, and is currently seeing new patients. Dr. Colby’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. Colby’s office at (415) 925-7301.

    What languages does Dr. Colby speak?

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

    • English

    What conditions does Dr. Colby treat?

    As a Neuroradiologist, Dr. Colby 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. Colby. 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:

    • Primary Osteoarthritis in Right Knee
    • Osteoarthritis of the right shoulder
    • Osteoarthritis of the left knee
    • Osteoarthritis
    • Right Knee Arthritis
    • Right Knee Degenerative Joint Disease
    • Degenerative joint disease
    • Wear-and-tear arthritis
    • Arthrosis
    • Joint degeneration

    ICD-10 Codes:

    • M1711: Unilateral primary osteoarthritis, right knee
    • M19011: Primary osteoarthritis, right shoulder
    • M1712: Unilateral primary osteoarthritis, left knee

    Also known as:

    • Other Abnormal Findings on Lung Scan
    • Unusual Lung Scan Results
    • Atypical Lung Imaging
    • Nonspecific Lung Abnormality

    ICD-10 Codes:

    • R918: Other nonspecific abnormal finding of lung field

    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:

    • Brain Ischemia
    • Ischemic Stroke
    • Lack of Blood Flow to Brain
    • Brain Hypoxia

    ICD-10 Codes:

    • I6782: Cerebral ischemia

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Upper body pain

    ICD-10 Codes:

    • R079: Chest pain, 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:

    • Mammogram for Breast Cancer Screening
    • Health Screening
    • Mammography
    • Breast Cancer Screening (PDQ®)
    • Mammograms
    • Breast X-ray
    • Breast Cancer Check

    ICD-10 Codes:

    • Z1231: Encounter for screening mammogram for malignant neoplasm of breast

    Also known as:

    • Chest Injury
    • Chest Injuries and Disorder
    • Thoracic Injury
    • Chest Trauma
    • Rib Cage Injury

    ICD-10 Codes:

    • S299XXA: Unspecified injury of thorax, initial encounter

    Also known as:

    • Nontoxic Multinodular Goiter
    • Thyroid Disease
    • Multinodular Goiter
    • Lumpy Enlarged Thyroid

    ICD-10 Codes:

    • E042: Nontoxic multinodular goiter

    Also known as:

    • Acquired Kidney Cyst
    • Kidney Cysts
    • Acquired Cystic Kidney Disease
    • Renal Cyst
    • Simple Kidney Cyst

    ICD-10 Codes:

    • N281: Cyst of kidney, acquired

    Also known as:

    • Cough
    • Coughing
    • Persistent cough
    • Chronic cough

    ICD-10 Codes:

    • R059: Cough, unspecified

    Also known as:

    • Joint Replacement Aftercare
    • Hip Replacement
    • Joint Disorder
    • Knee Replacement
    • Post-joint replacement care
    • Joint surgery recovery
    • Orthopedic aftercare

    ICD-10 Codes:

    • Z471: Aftercare following joint replacement surgery

    Also known as:

    • Kidney Stones
    • Renal Calculi
    • Nephrolithiasis
    • Kidney Calculi

    ICD-10 Codes:

    • N200: Calculus of kidney

    Also known as:

    • Other Lung Disease
    • Lung Disease
    • Various lung conditions
    • Unspecified lung disorder
    • Miscellaneous lung problems

    ICD-10 Codes:

    • J984: Other disorders of lung

    Also known as:

    • Lower Back Disc Degeneration
    • Spine Injuries and Disorder
    • Degenerative Disc Disease in Lower Back
    • Worn Lumbar Discs
    • Lumbar Disc Wear and Tear

    ICD-10 Codes:

    • M5136: Other intervertebral disc degeneration, lumbar region

    Also known as:

    • Elevated PSA Level
    • Prostate Cancer Screening
    • Prostate Disease
    • Prostate-Specific Antigen (PSA) Test
    • Prostate Problems
    • High Prostate Specific Antigen
    • Abnormal PSA Test
    • Increased PSA

    ICD-10 Codes:

    • R9720: Elevated prostate specific antigen [PSA]

    Also known as:

    • Pleural Effusion
    • Pleural Disorder
    • Fluid in lungs
    • Water on the lung
    • Fluid around lungs

    ICD-10 Codes:

    • J90: Pleural effusion, not elsewhere classified

    Also known as:

    • Shortness of Breath
    • Breathing Problems
    • Difficulty breathing
    • Breathlessness
    • Dyspnea

    ICD-10 Codes:

    • R0602: Shortness of breath

    Which procedures does Dr. Colby perform as a Neuroradiologist?

    As a Neuroradiologist, procedures performed by a Dr. John Colby may include:

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

    Does Dr. Colby accept my insurance?

    Dr. Colby accepts most major insurance plans. Important: Please call our office at (415) 925-7301 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Colby accept in Greenbrae, CA?

    Dr. Colby in Greenbrae, 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

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Hill Physicians Medical Group

    • Kaiser Permanente

    • Medicare

    • Other Provider Networks

    • Partnership Health Plan

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Colby's office located?

    Dr. John Colby's Primary Practice

    250 Bon Air Rd

    Greenbrae, CA 94904

    (415) 925-7301

    Get Directions

    Dr. John Colby's Practice 2

    180 Rowland Way

    Novato, CA 94945

    Get Directions

    Dr. John Colby's Practice 3

    1350 S Eliseo Dr

    Greenbrae, CA 94904

    Get Directions

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

    Dr. Colby's National Provider Identifier (NPI) number is 1700205374.

    What common questions do patients ask about Dr. Colby?

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

    What is Dr. John Colby's specialty?

    Dr. Colby is a Neuroradiologist near Greenbrae, CA. A neuroradiologist is an expert who diagnoses and treats diseases using imaging procedures related to the brain, spine, spinal cord, head, neck, and sensory organs in both adults and children. Contact Dr. Colby to book an appointment today.

    Is this Dr. John Colby affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Colby is affiliated with Marinhealth Medical Center, Novato Community Hospital 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 Neuroradiologist?

    Explore Neuroradiologist 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 John Colby accepting new patients in Greenbrae, CA?

    Yes, Dr. John Colby is accepting new patients at this time.

    Does Dr. John Colby offer online booking?

    Please contact Dr. Colby's office at (415) 925-7301 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Colby?

    Please contact Dr. Colby's office at (415) 925-7301 for information regarding telehealth appointment availability or for scheduling assistance.

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