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Issam Oneyssi, MD

Dr. Oneyssi is an internal medicine doctor in the Southbridge area. He is affiliated with Baystate Medical Center and 3 more hospitals.
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Conditions treated

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

Top 25%
126 doctors
Top 15%
127 doctors
Top 5%
63 doctors
Dr. Oneyssi saw more cardiovascular disease (CVD) patients than 95% of similar doctors in the Worcester area in 2014–2018. Learn more.

Related services provided

Top 25%
124 doctors
Top 15%
124 doctors
Top 5%
61 doctors
Dr. Oneyssi saw more vascular disease patients than 95% of similar doctors in the Worcester area in 2014–2018. Learn more.

Related services provided

Top 25%
8 doctors
Top 15%
8 doctors
Top 5%
3 doctors
Dr. Oneyssi saw more alcohol withdrawal patients than 85% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
16 doctors
Top 15%
15 doctors
Top 5%
7 doctors
Dr. Oneyssi saw more dehydration patients than 95% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
1 doctor
Top 15%
2 doctors
Top 5%
Dr. Oneyssi saw more alcoholic hepatitis patients than 95% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
26 doctors
Top 15%
25 doctors
Top 5%
12 doctors
Dr. Oneyssi saw more chronic bronchitis patients than 95% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
89 doctors
Top 15%
88 doctors
Top 5%
44 doctors
Dr. Oneyssi saw more heart disease patients than 95% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
100 doctors
Top 15%
100 doctors
Top 5%
49 doctors
Dr. Oneyssi saw more lung condition patients than 95% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
24 doctors
Top 15%
24 doctors
Top 5%
12 doctors
Dr. Oneyssi saw more acute renal failure patients than 95% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
52 doctors
Top 15%
52 doctors
Top 5%
25 doctors
Dr. Oneyssi saw more pneumonia patients than 95% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
26 doctors
Top 15%
26 doctors
Top 5%
13 doctors
Dr. Oneyssi saw more kidney failure patients than 95% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
134 doctors
Top 15%
133 doctors
Top 5%
66 doctors
Dr. Oneyssi saw more pain patients than 85% of similar doctors in the Worcester area in 2014–2018. Learn more.

Related services provided

Top 25%
50 doctors
Top 15%
49 doctors
Top 5%
24 doctors
Dr. Oneyssi saw more atrial fibrillation (Afib) patients than 95% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
69 doctors
Top 15%
69 doctors
Top 5%
34 doctors
Dr. Oneyssi saw more chronic obstructive pulmonary disease (COPD) patients than 95% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
107 doctors
Top 15%
107 doctors
Top 5%
53 doctors
Dr. Oneyssi saw more digestive tract conditions patients than 85% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
108 doctors
Top 15%
109 doctors
Top 5%
54 doctors
Dr. Oneyssi saw more diabetes patients than 95% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
99 doctors
Top 15%
99 doctors
Top 5%
49 doctors
Dr. Oneyssi saw more type 2 diabetes patients than 95% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
6 doctors
Top 15%
6 doctors
Top 5%
2 doctors
Dr. Oneyssi saw congenital heart disease patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Worcester area. Learn more.
Top 25%
46 doctors
Top 15%
47 doctors
Top 5%
23 doctors
Dr. Oneyssi saw more heart failure patients than 95% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
31 doctors
Top 15%
30 doctors
Top 5%
15 doctors
Dr. Oneyssi saw more bronchitis patients than 85% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
6 doctors
Top 15%
6 doctors
Top 5%
3 doctors
Dr. Oneyssi saw more aspiration patients than 85% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
30 doctors
Top 15%
30 doctors
Top 5%
14 doctors
Dr. Oneyssi saw more fainting patients than 85% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
42 doctors
Top 15%
43 doctors
Top 5%
21 doctors
Dr. Oneyssi saw more congestive heart failure (CHF) patients than 85% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
45 doctors
Top 15%
44 doctors
Top 5%
22 doctors
Dr. Oneyssi saw more chronic kidney disease patients than 95% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
14 doctors
Top 15%
14 doctors
Top 5%
7 doctors
Dr. Oneyssi saw more hyponatremia patients than 95% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
20 doctors
Top 15%
19 doctors
Top 5%
9 doctors
Dr. Oneyssi saw more sepsis patients than 85% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
3 doctors
Top 15%
3 doctors
Top 5%
1 doctor
Dr. Oneyssi saw more diabetic ketoacidosis (DKA) patients than 85% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
52 doctors
Top 15%
51 doctors
Top 5%
25 doctors
Dr. Oneyssi saw more coronary artery disease (CAD) patients than 85% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
16 doctors
Top 15%
16 doctors
Top 5%
8 doctors
Dr. Oneyssi saw more epilepsy patients than 95% of similar doctors in the Worcester area in 2014–2018. Learn more.
Top 25%
6 doctors
Top 15%
5 doctors
Top 5%
2 doctors
Dr. Oneyssi saw atrial flutter patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Worcester area. Learn more.
Locations

Dr. Oneyssi sees patients and can be reached at the following location.

Harrington Hospital
100 South St
Southbridge, MA 01550
88 miles away

Reviews

Credentials
  • FAULKNER HOSPITAL
    RESIDENCY
  • American University of Beirut Faculty of Medicine
    MEDICAL EDUCATION, 1990

Hospital affiliations

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

  • Baystate Medical Center
    B
    Hospital safety grade (Spring 2019)
  • Harrington Hospital
    B
    Hospital safety grade (Spring 2019)
  • Shields MRI at UMass Memorial - Memorial Campus
    C
    Hospital safety grade (Spring 2019)
  • Umass Memorial Medical Center
    C
    Hospital safety grade (Spring 2019)

Insurance accepted

Always check coverage with your doctor’s office.

  • Aetna
  • Anthem
  • Arise Health Plan
  • Arkansas Blue Cross and Blue Shield
  • Assurant 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
  • Chinese Community Health Plan
  • Cigna
  • Community Health Options
  • CoreSource
  • Coventry Health Care
  • Cross and Blue Shield of North Carolina
  • Dean Health Plan
  • EmblemHealth
  • Fallon Health
  • First Choice Health
  • FirstCare Health Plans
  • Geisinger Health Plan
  • Group Health Cooperative
  • Group Health Cooperative of South Central Wisconsin
  • Harvard Pilgrim Health Care
  • Health Alliance
  • Health Alliance Plan of Michigan
  • Health First
  • Health Net
  • Health New England
  • HealthCare Partners
  • HealthPartners
  • HealthSCOPE Benefits
  • HealthSmart
  • Highmark Blue Cross Blue Shield
  • Hill Physicians
  • Hometown Health
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Independence Blue Cross AmeriHealth
  • Independent Health
  • Indiana University Health Plan
  • MVP Health Care
  • Magellan Health
  • MagnaCare
  • Mayo Clinic Health Solutions
  • MedCost
  • Medica
  • Medical Mutual of Ohio
  • Medicare
  • Meritain Health
  • Midlands Choice
  • Moda Health
  • MultiPlan
  • Neighborhood Health Plan
  • Network Health Plan
  • Optima Health
  • Oregons Health COOP
  • PacificSource
  • Paramount
  • Pomco
  • PreferredOne
  • Premera Blue Cross
  • Presbyterian Health Plan
  • Priority Health
  • Providence Health Plan
  • Regence Blue Cross Blue Shield
  • Rocky Mountain Health Plans
  • Security Health Plan
  • SelectHealth
  • TRICARE
  • Trilogy Health Insurance
  • Tufts Health Plan
  • UPMC Health Plan
  • United Healthcare
  • ValueOptions
  • Vantage Health Plan
  • WPS Health Insurance
  • WellMed Medical Management
  • Wellmark Blue Cross and Blue Shield