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Jack Greenwood, MD

Dr. Greenwood is a neurologist in the Port Jefferson area. He is affiliated with Fortunato Breast Health Center at John T Mather Hospital.
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Conditions treated

Tap to see related services for each condition and more details about our calculations.

Top 25%
95 doctors
Top 15%
95 doctors
Top 5%
47 doctors
Dr. Greenwood saw more peripheral neuropathy patients than 95% of similar doctors in the Bridgeport area in 2014–2018. Learn more.

Related services provided

Top 25%
95 doctors
Top 15%
96 doctors
Top 5%
47 doctors
Dr. Greenwood saw more neuropathy patients than 95% of similar doctors in the Bridgeport area in 2014–2018. Learn more.

Related services provided

Top 25%
63 doctors
Top 15%
63 doctors
Top 5%
31 doctors
Dr. Greenwood saw more attention deficit hyperactivity disorder (ADHD) patients than 95% of similar doctors in the Bridgeport area in 2014–2018. Learn more.
Top 25%
3 doctors
Top 15%
3 doctors
Top 5%
1 doctor
Dr. Greenwood saw more labyrinthitis patients than 75% of similar doctors in the Bridgeport area in 2014–2018. Learn more.
Top 25%
34 doctors
Top 15%
34 doctors
Top 5%
16 doctors
Dr. Greenwood saw more carpal tunnel syndrome patients than 95% of similar doctors in the Bridgeport area in 2014–2018. Learn more.

Related services provided

Top 25%
56 doctors
Top 15%
56 doctors
Top 5%
27 doctors
Dr. Greenwood saw more pinched nerve patients than 85% of similar doctors in the Bridgeport area in 2014–2018. Learn more.

Related services provided

Top 25%
34 doctors
Top 15%
34 doctors
Top 5%
16 doctors
Dr. Greenwood saw Lyme disease patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Bridgeport area. Learn more.
Top 25%
61 doctors
Top 15%
61 doctors
Top 5%
30 doctors
Dr. Greenwood saw more migraine patients than 95% of similar doctors in the Bridgeport area in 2014–2018. Learn more.

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Top 25%
134 doctors
Top 15%
134 doctors
Top 5%
66 doctors
Dr. Greenwood saw more back problems patients than 85% of similar doctors in the Bridgeport area in 2014–2018. Learn more.

Related services provided

Top 25%
134 doctors
Top 15%
134 doctors
Top 5%
66 doctors
Dr. Greenwood saw more spine condition patients than 85% of similar doctors in the Bridgeport area in 2014–2018. Learn more.

Related services provided

Top 25%
6 doctors
Top 15%
6 doctors
Top 5%
3 doctors
Dr. Greenwood saw more diabetic neuropathy patients than 85% of similar doctors in the Bridgeport area in 2014–2018. Learn more.
Top 25%
37 doctors
Top 15%
37 doctors
Top 5%
18 doctors
Dr. Greenwood saw sciatica patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Bridgeport area. Learn more.
Top 25%
15 doctors
Top 15%
14 doctors
Top 5%
7 doctors
Dr. Greenwood saw more multiple sclerosis (MS) patients than 95% of similar doctors in the Bridgeport area in 2014–2018. Learn more.
Top 25%
28 doctors
Top 15%
27 doctors
Top 5%
13 doctors
Dr. Greenwood saw concussion patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Bridgeport area. Learn more.
Top 25%
44 doctors
Top 15%
44 doctors
Top 5%
22 doctors
Dr. Greenwood saw more epilepsy patients than 95% of similar doctors in the Bridgeport area in 2014–2018. Learn more.

Related services provided

Top 25%
12 doctors
Top 15%
12 doctors
Top 5%
6 doctors
Dr. Greenwood saw more chronic regional pain syndrome (CRPS) patients than 75% of similar doctors in the Bridgeport area in 2014–2018. Learn more.
Top 25%
66 doctors
Top 15%
65 doctors
Top 5%
32 doctors
Dr. Greenwood saw more abnormal gait patients than 85% of similar doctors in the Bridgeport area in 2014–2018. Learn more.
Top 25%
100 doctors
Top 15%
101 doctors
Top 5%
50 doctors
Dr. Greenwood saw more cerebrovascular disease patients than 85% of similar doctors in the Bridgeport area in 2014–2018. Learn more.

Related services provided

Top 25%
111 doctors
Top 15%
111 doctors
Top 5%
55 doctors
Dr. Greenwood saw more headaches patients than 85% of similar doctors in the Bridgeport area in 2014–2018. Learn more.
Top 25%
214 doctors
Top 15%
214 doctors
Top 5%
107 doctors
Dr. Greenwood saw vascular disease patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Bridgeport area. Learn more.

Related services provided

Top 25%
35 doctors
Top 15%
34 doctors
Top 5%
17 doctors
Dr. Greenwood saw herniated disc patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Bridgeport area. Learn more.
Top 25%
5 doctors
Top 15%
4 doctors
Top 5%
2 doctors
Dr. Greenwood saw Bell's palsy patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Bridgeport area. Learn more.
Top 25%
244 doctors
Top 15%
244 doctors
Top 5%
121 doctors
Dr. Greenwood saw pain patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Bridgeport area. Learn more.
Top 25%
94 doctors
Top 15%
93 doctors
Top 5%
46 doctors
Dr. Greenwood saw more stroke patients than 75% of similar doctors in the Bridgeport area in 2014–2018. Learn more.
Top 25%
125 doctors
Top 15%
124 doctors
Top 5%
62 doctors
Dr. Greenwood saw back pain patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Bridgeport area. Learn more.
Top 25%
75 doctors
Top 15%
74 doctors
Top 5%
37 doctors
Dr. Greenwood saw chronic pain patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Bridgeport area. Learn more.
Top 25%
222 doctors
Top 15%
222 doctors
Top 5%
111 doctors
Dr. Greenwood saw cardiovascular disease (CVD) patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Bridgeport area. Learn more.
Top 25%
31 doctors
Top 15%
31 doctors
Top 5%
15 doctors
Dr. Greenwood saw more Parkinson's disease patients than 75% of similar doctors in the Bridgeport area in 2014–2018. Learn more.
Top 25%
33 doctors
Top 15%
34 doctors
Top 5%
16 doctors
Dr. Greenwood saw transient ischemic attack (TIA) patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Bridgeport area. Learn more.
Top 25%
37 doctors
Top 15%
36 doctors
Top 5%
18 doctors
Dr. Greenwood saw degenerative disc disease (DDD) patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Bridgeport area. Learn more.
Locations

Dr. Greenwood sees patients and can be reached at the following locations.

Port Jefferson MRI-Mather/St Charles Health Alliance
120 N Country Rd
Port Jefferson, NY 11777
270 miles away
Balance Diagnostics USA
395 Pearsall Ave
Cedarhurst, NY 11516
228 miles away

Reviews

Credentials
  • CEME/Mount Sinai Medical Center Program
    RESIDENCY
  • New York University School of Medicine
    MEDICAL EDUCATION, 1974

Hospital affiliations

Dr. Greenwood is able to admit and treat patients at the following hospitals.

  • Fortunato Breast Health Center at John T Mather Hospital
    A
    Hospital safety grade (Fall 2018)

Insurance accepted

Always check coverage with your doctor’s office.

  • Aetna
  • Affinity Health Plan
  • Anthem
  • Arkansas Blue Cross and Blue Shield
  • Blue Cross Blue Shield of Arizona
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • Blue Cross and Blue Shield of Alabama
  • Blue Cross and Blue Shield of Florida
  • Blue Cross and Blue Shield of Illinois
  • Blue Cross and Blue Shield of Kansas
  • Blue Cross and Blue Shield of Kansas City
  • Blue Cross and Blue Shield of Louisiana
  • Blue Cross and Blue Shield of Minnesota
  • Blue Cross and Blue Shield of Mississippi
  • Blue Cross and Blue Shield of Montana
  • Blue Cross and Blue Shield of Nebraska
  • Blue Cross and Blue Shield of New Mexico
  • Blue Cross and Blue Shield of North Dakota
  • Blue Cross and Blue Shield of Oklahoma
  • Blue Cross and Blue Shield of Rhode Island
  • Blue Cross and Blue Shield of Texas
  • Blue Cross and Blue Shield of Vermont
  • Blue Cross and Blue Shield of Wyoming
  • Blue Cross of Idaho
  • Blue Shield of California
  • BlueCross BlueShield of South Carolina
  • BlueCross BlueShield of Tennessee
  • CareFirst BlueCross BlueShield
  • Cigna
  • CoreSource
  • Coventry Health Care
  • Cross and Blue Shield of North Carolina
  • EmblemHealth
  • Highmark Blue Cross Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Independence Blue Cross AmeriHealth
  • MagnaCare
  • Medicare
  • Meritain Health
  • Pomco
  • Premera Blue Cross
  • Regence Blue Cross Blue Shield
  • TRICARE
  • United Healthcare
  • Wellmark Blue Cross and Blue Shield