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Lazar Greenfield JR, MD

Dr. Greenfield is a neurologist in the Farmington area. He is affiliated with University of Connecticut Health Center-John Dempsey Hospital.
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Conditions treated

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

Top 25%
8.2k doctors
Top 15%
8.2k doctors
Top 5%
4.1k doctors
Dr. Greenfield saw more epilepsy patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
36k doctors
Top 15%
36k doctors
Top 5%
18k doctors
Dr. Greenfield saw more vascular disease patients than 75% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
1.2k doctors
Top 15%
1.2k doctors
Top 5%
607 doctors
Dr. Greenfield saw multiple myeloma patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
68 doctors
Top 15%
68 doctors
Top 5%
33 doctors
Dr. Greenfield saw amyotrophic lateral sclerosis (ALS) patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
1.0k doctors
Top 15%
1.0k doctors
Top 5%
507 doctors
Dr. Greenfield saw more intellectual disability patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
1.1k doctors
Top 15%
1.1k doctors
Top 5%
548 doctors
Dr. Greenfield saw hepatic encephalopathy patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
2.0k doctors
Top 15%
2.0k doctors
Top 5%
994 doctors
Dr. Greenfield saw more psychosis patients than 75% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
19k doctors
Top 15%
19k doctors
Top 5%
9.7k doctors
Dr. Greenfield saw more major depression patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
2.5k doctors
Top 15%
2.5k doctors
Top 5%
1.2k doctors
Dr. Greenfield saw lupus patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
2.9k doctors
Top 15%
2.9k doctors
Top 5%
1.4k doctors
Dr. Greenfield saw post-traumatic stress disorder (PTSD) patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
38k doctors
Top 15%
38k doctors
Top 5%
19k doctors
Dr. Greenfield saw cardiovascular disease (CVD) patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.

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Top 25%
16k doctors
Top 15%
16k doctors
Top 5%
8.2k doctors
Dr. Greenfield saw more cerebrovascular disease patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
5.7k doctors
Top 15%
5.7k doctors
Top 5%
2.8k doctors
Dr. Greenfield saw more encephalopathy patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
2.5k doctors
Top 15%
2.5k doctors
Top 5%
1.2k doctors
Dr. Greenfield saw schizophrenia patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
15k doctors
Top 15%
15k doctors
Top 5%
7.4k doctors
Dr. Greenfield saw more stroke patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
945 doctors
Top 15%
944 doctors
Top 5%
472 doctors
Dr. Greenfield saw more cerebral palsy patients than 75% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
127 doctors
Top 15%
128 doctors
Top 5%
63 doctors
Dr. Greenfield saw encephalitis patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
2.5k doctors
Top 15%
2.5k doctors
Top 5%
1.2k doctors
Dr. Greenfield saw HIV patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
1.8k doctors
Top 15%
1.8k doctors
Top 5%
879 doctors
Dr. Greenfield saw conduct disorder patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
12k doctors
Top 15%
12k doctors
Top 5%
6.0k doctors
Dr. Greenfield saw more fainting patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
3.9k doctors
Top 15%
3.9k doctors
Top 5%
1.9k doctors
Dr. Greenfield saw learning disabilities patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
19k doctors
Top 15%
19k doctors
Top 5%
9.3k doctors
Dr. Greenfield saw more headaches patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
294 doctors
Top 15%
293 doctors
Top 5%
146 doctors
Dr. Greenfield saw meningitis patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
986 doctors
Top 15%
986 doctors
Top 5%
493 doctors
Dr. Greenfield saw glioblastoma multiforme (GBM) patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.

Related services provided

Top 25%
1.0k doctors
Top 15%
1.0k doctors
Top 5%
515 doctors
Dr. Greenfield saw brain tumor patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.

Related services provided

Top 25%
433 doctors
Top 15%
433 doctors
Top 5%
216 doctors
Dr. Greenfield saw Chiari malformation patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
12k doctors
Top 15%
12k doctors
Top 5%
6.1k doctors
Dr. Greenfield saw more migraine patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
2.4k doctors
Top 15%
2.4k doctors
Top 5%
1.2k doctors
Dr. Greenfield saw autism spectrum disorder patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
18k doctors
Top 15%
18k doctors
Top 5%
9.1k doctors
Dr. Greenfield saw more congenital disorders patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
7.1k doctors
Top 15%
7.1k doctors
Top 5%
3.5k doctors
Dr. Greenfield saw more speech impairment patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Locations

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

University of Connecticut Health Center-John Dempsey Hospital
263 Farmington Ave
Farmington, CT 06032
45 miles away
University of Connecticut Health Center-John Dempsey Hospital
263 Farmington Ave
Farmington, CT 06030
51 miles away

Reviews

Credentials
  • University of Virginia School of Medicine
    MEDICAL EDUCATION, 1989

Specializations

    1. Allopathic & Osteopathic Physicians
    2. Psychiatry & Neurology
    3. Neurology
    1. Allopathic & Osteopathic Physicians
    2. Psychiatry & Neurology
    3. Vascular Neurology
    1. Allopathic & Osteopathic Physicians
    2. Psychiatry & Neurology
    3. Neurology With Special Qualifications In Child Neurology
    1. Allopathic & Osteopathic Physicians
    2. Psychiatry & Neurology
    3. Clinical Neurophysiology

Hospital affiliations

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

  • University of Connecticut Health Center-John Dempsey Hospital
    C
    Hospital safety grade (Fall 2019)

Insurance accepted

Always check coverage with your doctor’s office.

  • Aetna
  • Affinity Health Plan
  • Anthem
  • Arkansas Blue Cross and Blue Shield
  • Assurant Health
  • Aultcare
  • AvMed
  • Banner Health
  • Beacon Health Strategies
  • 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
  • Capital District Physicians Health Plan
  • CareFirst BlueCross BlueShield
  • Cigna
  • Community Health Options
  • CoreSource
  • Coventry Health Care
  • Cross and Blue Shield of North Carolina
  • EmblemHealth
  • Fallon Health
  • First Choice Health
  • FrontPath Health Coalition
  • Geisinger Health Plan
  • Group Health Cooperative
  • Group Health Cooperative of South Central Wisconsin
  • Harvard Pilgrim Health Care
  • Hawaii Medical Service Association
  • Health Alliance Plan of Michigan
  • Health First
  • Health Net
  • Health New England
  • HealthCare Partners
  • HealthNow New York
  • HealthPartners
  • HealthSCOPE Benefits
  • HealthSmart
  • Heritage Provider Network
  • Highmark Blue Cross Blue Shield
  • Hill Physicians
  • Hometown Health
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Independence Blue Cross AmeriHealth
  • Independent Health
  • Lifetime Healthcare
  • MVP Health Care
  • Magellan Health
  • MagnaCare
  • Mayo Clinic Health Solutions
  • Medica
  • Medical Mutual of Ohio
  • Medicare
  • Meritain Health
  • Midlands Choice
  • MultiPlan
  • Neighborhood Health Plan
  • Ohio PPO Connect
  • Optima Health
  • PacificSource
  • Paramount
  • Pomco
  • PreferredOne
  • Premera Blue Cross
  • Priority Health
  • Regence Blue Cross Blue Shield
  • Rocky Mountain Health Plans
  • Security Health Plan
  • SummaCare
  • SynerMed
  • TRICARE
  • The Health Plan
  • Tufts Health Plan
  • UPMC Health Plan
  • United Healthcare
  • Unity Health Insurance
  • ValueOptions
  • Wellmark Blue Cross and Blue Shield