Dr. Jack Greenwood, MD

Dr. Jack Greenwood, MD

Neurology  ·  
Male  ·  
Age 68
Dr. Jack Greenwood, MD is a neurology specialist in Port Jefferson, NY and has been practicing for 38 years. He graduated from New York University in 1974 and specializes in neurology and pediatric neurology.

120 N Country Rd

Port Jefferson, NY 11777

Contact Information

(631) 474-0444

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Cigna
  • Commercial Insurance Company
  • EmblemHealth
  • Empire Blue Cross Blue Shield
  • Fidelis Care
  • Government Employees Health Association (GEHA)
  • HealthFirst
  • 7 More

*Please verify this information when scheduling an appointment.

Learn about Dr. Greenwood

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. Greenwood performs your care needs compared to other doctors.

very high
more than 99% of peers
very high
more than 98% of peers
Peripheral Nerve Disorders
very high
more than 98% of peers

Dr. Greenwood's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

2  Specialties

  • Neurology
  • Pediatric Neurology

1  Board Certifications

  • Neurology with Special Qualification in Child Neurology
    Accredited by: American Board of Psychiatry & Neurology*

44  Conditions Treated


Read Less

Background Check

0 Malpractice Claims

No malpractice history found for New York.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • Bucknell
    Undergraduate School | Graduated
  • New York University
    Medical School | Graduated 1974
  • Nyu
    Internship Hospital | Completed 1974
  • Nyu
    Residency Hospital | Completed
  • New York University
    Fellowship Hospital | Completed 1980

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Greenwood has no media or publications listed.

Languages Spoken

  • English
  • French

Memberships & Professional Affiliations

Dr. Greenwood does not have any memberships or affiliations listed. If you are Dr. Greenwood and would like to add memberships or affiliations, please update your profile.

Dr. Greenwood's Reviews

Likelihood of recommending Dr. Greenwood to family and friends
5 total reviews (1 has a comment)

Likelihood to Recommend (5)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Greenwood's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    10 to 15 minutes

Patient Comments (1)

I was given a date & time which I wrote down in my daily planner. 5 days before my appt his receptionist call & told me I missed my appt. I explained I was told a different date & there was an honest mistake made by one the parties. I was told that "No Dr Greenwood does not make any acceptions for...more
Was this helpful? thumbs up icon optionthumbs down icon option
Flag this
Are you Dr. Greenwood?
Make it easy for patients to share their feedback. Also manage your personalized profile!

Nearby doctors with similar experience

Headache Medicine
Pain Medicine