JG
45 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Greenwood, Pediatric Neurologist in Port Jefferson, NY?
Dr. Jack Greenwood, MD is a Pediatric Neurologist, who primarily practices in Port Jefferson, NY. He has been practicing for over 45 years. Dr. Greenwood graduated from New York University School of Medicine and completed his residency at Mt Sinai Med Ctr, Pediatrics. Dr. Greenwood is fluent in English and French, and is currently seeing new patients. Dr. Greenwood’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Greenwood’s office at (631) 474-0444.
What are Areas of Expertise for Dr. Greenwood?
Dr. Jack Greenwood, MD is a highly-rated, board-certified Pediatric Neurologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Greenwood empowers patients to confidently navigate their health journey, specializing in Pediatric Neurology, and comprehensive wellness support. Serving the Port Jefferson, NY community, Dr. Greenwood is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Greenwood go to medical school and complete their residency?
Residency: Mt Sinai Med Ctr, Pediatrics | CEME/Mount Sinai Medical Center Program
Medical School: New York Univ Sch of Med, New York Ny | New York University School of Medicine
What languages does Dr. Greenwood speak?
Dr. Greenwood and their clinical team can communicate with patients in the following languages:
English
French
What conditions does a Pediatric Neurologist like Dr. Greenwood typically treat?
As a Pediatric Neurologist, Dr. Greenwood 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. Greenwood. 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:
- Charcot-Marie-Tooth Disease
- Hereditary Nerve Disorder
- Peripheral Nerve Disorder
- CMT Disease
- Hereditary Motor Sensory Neuropathy
- Peroneal Muscular Atrophy
- Genetic Neuropathy
- Idiopathic Neuropathy
- Inherited Nerve Damage
ICD-10 Codes:
- G600: Hereditary motor and sensory neuropathy
- G609: Hereditary and idiopathic neuropathy, unspecified
Also known as:
- Dizziness
- Dizziness and Vertigo
- Lightheadedness
- Giddiness
- Vertigo
ICD-10 Codes:
- R42: Dizziness and giddiness
Also known as:
- Other Vision Problems
- Vision Impairment and Blindness
- Other visual disturbances
- Unspecified vision issues
- Various eye problems
ICD-10 Codes:
- H538: Other visual disturbances
Also known as:
- Changes in Mental State
- Mental Disorder
- Confusion
- Disorientation
- Changes in awareness
ICD-10 Codes:
- R4182: Altered mental status, unspecified
Also known as:
- ADHD, Predominantly Hyperactive-Impulsive Type
- ADHD, Predominantly Inattentive Type
- Attention Deficit Hyperactivity Disorder
- Attention-deficit/hyperactivity disorder
- Hyperactive ADHD
- Impulsive ADHD
- ADD
- Inattentive ADHD
ICD-10 Codes:
- F901: Attention-deficit hyperactivity disorder, predominantly hyperactive type
- F900: Attention-deficit hyperactivity disorder, predominantly inattentive type
Also known as:
- Depression
- Dysthymia
- Persistent Depressive Disorder
- Chronic Depression
ICD-10 Codes:
- F341: Dysthymic disorder
What procedures does a Pediatric Neurologist like Dr. Greenwood typically perform?
As a Pediatric Neurologist, procedures performed by Dr. Jack Greenwood may include:
- Aging Brain (Neuropsychological Testing)
- Cortical Basal Ganglionic Degeneration (CBGD)
- Deep Brain Stimulation
- Disturbance of Skin Sensation
- Electroencephalogram (EEG)
- Evoked Potential Testing
- Gait Simulation
- Greater Occipital Nerve (GON) Block
Please contact Dr. Greenwood's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Greenwood accept my insurance?
Dr. Greenwood accepts most major insurance plans. Important: Please call our office at (631) 474-0444 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Greenwood accept in Port Jefferson, NY?
Dr. Greenwood in Port Jefferson, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Medicare
UnitedHealth Group
View All Insurances
Where is Dr. Greenwood's office located?
Dr. Jack Greenwood's Primary Practice
120 N Country Rd
Port Jefferson, NY 11777
(631) 474-0444
Ratings & Reviews
1.0
Overall rating
Based on 1 reviews
Office Experience
20% of patients found the doctor and staff friendly and the office clean and modern
Diagnosis
20% of patients were satisfied with the doctor's diagnosis and explanation of their condition
Patients give Dr. Jack Greenwood a Poor overall experience rating of 1 out of 5 stars. Dr. Greenwood has been rated and reviewed by 1 patient. These ratings are based on a variety of factors, including the amount of time patients spent with Dr. Greenwood, his bedside manner, appointment waiting time, friendliness of the office staff, clarity of diagnosis, and more.
Read Patient ReviewsWhat is Dr. Greenwood's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Greenwood's National Provider Identifier (NPI) number is 1851396865.
What common questions do patients ask about Dr. Greenwood?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Greenwood
What is Dr. Jack Greenwood's specialty?
Dr. Greenwood is a Pediatric Neurologist near Port Jefferson, NY.
What does a Pediatric Neurologist do?
A Child Neurologist specializes in diagnosing and treating neurological disorders in newborns, infants, young children, and adolescents, with expertise in managing conditions specific to these developmental stages.
Is this Dr. Jack Greenwood affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Greenwood is affiliated with Mather Hospital which is a Castle Connolly Top Hospital. 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 Pediatric Neurologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Pediatric Neurologist. 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 Jack Greenwood accepting new patients in Port Jefferson, NY?
Yes, Dr. Jack Greenwood is accepting new patients at this time.
Does Dr. Jack Greenwood offer online booking?
Please contact Dr. Greenwood's office at (631) 474-0444 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Jack Greenwood?
Please contact Dr. Greenwood's office at (631) 474-0444 for information regarding telehealth appointment availability or for scheduling assistance.
Other Pediatric Neurologist Near Port Jefferson, NY
JM
Pediatric Neurologist
Accepting patientsDr. Jill Miller-Horn, MD is a Pediatric Neurologist, who primarily practices in Stony Brook, NY with 2 additional practice locations.
Stony Brook, NY
BL
Pediatric Neurologist
Accepting patientsDr. Bridget Leone, MD is a Pediatric Neurologist, who primarily practices in Stony Brook, NY with 2 additional practice locations.
Stony Brook, NY
LM
Pediatric Neurologist
Accepting patientsDr. Louis Manganas, MD, PHD is a Pediatric Neurologist, who primarily practices in East Setauket, NY with 2 additional practice locations.
East Setauket, NY