JC
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. Dr. Colby is fluent in English, and is currently seeing new patients. Dr. Colby’s practice accepts Cigna, 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 of the left shoulder
- 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
- M19012: Primary osteoarthritis, left shoulder
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:
- 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:
- 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:
- 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:
- 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:
- 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:
- Pleural Effusion
- Pleural Disorder
- Fluid in lungs
- Water on the lung
- Fluid around lungs
ICD-10 Codes:
- J90: Pleural effusion, not elsewhere classified
What procedures does Dr. Colby perform?
As a Neuroradiologist, Dr. Colby 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. 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:
- Radioactive Tracer Injection for Sentinel Lymph Node Biopsy
- Sentinel Node Mapping Injection
- Lymph Node Tracer Injection
- Radioactive Dye for Lymph Nodes
- Sentinel Lymph Node Identification
CPT Codes:
- 38792: Injection procedure; radioactive tracer for identification of sentinel node
Also known as:
- Ultrasound-Guided Fine Needle Biopsy
- Biopsy
- Ultrasound
- FNA Biopsy with Ultrasound
- Image-Guided Biopsy
- Fine Needle Aspiration
- First Lesion Biopsy
CPT Codes:
- 10005: Fine needle aspiration biopsy, including ultrasound guidance; first lesion
Also known as:
- Spinal Nerve Block Injection
- Guided Facet Joint Injection (Neck/Upper Back)
- Sacroiliac Joint Injection
- Transforaminal Epidural Injection
- Cervical Epidural Injection
- Thoracic Epidural Injection
- Nerve Root Block
- 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
CPT Codes:
- 64479: Injection(s), anesthetic agent(s) and/or steroid; transforaminal epidural, with imaging guidance (fluoroscopy or CT), cervical or thoracic, single level
- 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
Also known as:
- Joint or Bursa Injection/Fluid Removal
- Arthrocentesis
- Major Joint Aspiration
- Bursa Injection
- Joint Fluid Removal
CPT Codes:
- 20610: Arthrocentesis, aspiration and/or injection, major joint or bursa (eg, shoulder, hip, knee, subacromial bursa); without ultrasound guidance
Also known as:
- Hip Arthrography Injection
- Diagnostic Imaging
- Hip Contrast Injection
- Arthrography of Hip
- Hip Joint Dye Injection
- Hip Joint Imaging Injection
CPT Codes:
- 27093: Injection procedure for hip arthrography; without anesthesia
Also known as:
- Epidural Steroid Injection
- Lumbar Transforaminal Epidural Injection
- Cervical Epidural Injection
- Thoracic Epidural Injection
- Spinal Nerve Block
- Pain Relief Spinal Injection
- TFESI (Lumbar)
- Nerve Root Block (Lumbar)
- Lower Back Nerve Injection with Imaging
CPT Codes:
- 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)
- 64483: Injection(s), anesthetic agent(s) and/or steroid; transforaminal epidural, with imaging guidance (fluoroscopy or CT), lumbar or sacral, single level
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:
- Fluid Removal from Lung Area with Imaging Guidance
- Thoracentesis
- Pleural Fluid Aspiration
- Lung Tap
- Fluid Drainage from Chest
CPT Codes:
- 32555: Thoracentesis, needle or catheter, aspiration of the pleural space; with imaging guidance
Also known as:
- Abdominal Fluid Drainage with Imaging Guidance
- Guided Abdominal Paracentesis
- Ascites Drainage with Ultrasound
- Fluid Removal from Belly
CPT Codes:
- 49083: Abdominal paracentesis (diagnostic or therapeutic); with imaging guidance
Also known as:
- Ultrasound-Guided Breast Biopsy
- MRI-Guided Breast Biopsy
- Breast Biopsy
- Percutaneous Breast Biopsy
- Breast Tissue Sample
- Breast Lesion Biopsy with Clip
- Magnetic Resonance Breast Biopsy
- Percutaneous Breast Biopsy with MRI
- Breast Lesion Biopsy with Localization
CPT Codes:
- 19083: Biopsy, breast, with placement of breast localization device(s) (eg, clip, metallic pellet), when performed, and imaging of the biopsy specimen, when performed, percutaneous; first lesion, including ultrasound guidance
- 19085: Biopsy, breast, with placement of breast localization device(s) (eg, clip, metallic pellet), when performed, and imaging of the biopsy specimen, when performed, percutaneous; first lesion, including magnetic resonance guidance
Also known as:
- Uterine Catheterization for Imaging
- Saline Infusion Sonohysterography Prep
- Hysterosalpingography Prep
- Uterine Contrast Injection
CPT Codes:
- 58340: Catheterization and introduction of saline or contrast material for saline infusion sonohysterography (SIS) or hysterosalpingography
Also known as:
- PICC Line Insertion (Adult/Older Child)
- Peripherally Inserted Central Catheter
- PICC Line Placement
- Central Venous Catheter Insertion
CPT Codes:
- 36573: Insertion of peripherally inserted central venous catheter (PICC), without subcutaneous port or pump, including all imaging guidance, image documentation, and all associated radiological supervision and interpretation required to perform the insertion; age 5 years or older
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
City of Hartford
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Hill Physicians Medical Group
Medicare
Other Provider Networks
Partnership Health Plan
UnitedHealthcare
View All Insurances
Where is Dr. Colby's office located?
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, Kaiser Permanente San Rafael Medical Center, Kaiser Permanente Santa Rosa Medical Center, Sutter Santa Rosa Regional Hospital, Providence Santa Rosa Memorial 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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