Overview
Issam Oneyssi is a primary care provider, practicing in Internal Medicine in Southbridge, Massachusetts.
Dr. Oneyssi is highly rated in 17 conditions, according to our data. His clinical expertise encompasses Atypical Pneumonia, Hospital-Acquired Pneumonia, Low Potassium Level, Pneumonia, and Endoscopy.
He is actively involved in clinical research, co-authoring 1 peer reviewed article.
Specialties
Licenses
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- EPO
- HMO
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- HMO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
100 South St, Southbridge, MA 01550
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Medical And Surgical Specialties
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BIDMC - Division Of Gastroenterology/Liver Center
Nezam Afdhal is a primary care provider, practicing in Internal Medicine in Boston, Massachusetts. Dr. Afdhal is highly rated in 24 conditions, according to our data. His clinical expertise encompasses Hepatitis C, Hepatitis, Nonalcoholic Steatohepatitis (NASH), Liver Transplant, and Endoscopy. Dr. Afdhal is currently accepting new patients.
Massachusetts General Hospital
Gabriela Hobbs is a primary care provider, practicing in Internal Medicine in Boston, Massachusetts. She has been practicing medicine for over 18 years. Dr. Hobbs is highly rated in 22 conditions, according to our data. Her clinical expertise encompasses Myeloproliferative Neoplasms (MPN), Myelofibrosis, Polycythemia Vera, Bone Marrow Aspiration, and Colonoscopy. Dr. Hobbs is currently accepting new patients.
Frequently Asked Questions about Dr. Issam A. Oneyssi
How do I make an appointment with Dr. Issam A. Oneyssi?
You can book an appointment with Dr. Issam A. Oneyssi by calling their office at 508-765-9771. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Issam A. Oneyssi a top-rated expert for Atypical Pneumonia?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Issam A. Oneyssi is classified as an Advanced expert for Atypical Pneumonia, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Issam A. Oneyssi specialize in?
While Dr. Issam A. Oneyssi is a Internal Medicine, they have specific expertise in Atypical Pneumonia, Hospital-Acquired Pneumonia, and Low Potassium Level. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Internal Medicine.
Does Dr. Issam A. Oneyssi participate in research or clinical trials?
Yes. Dr. Issam A. Oneyssi has published 1 articles and abstracts on conditions like Atypical Pneumonia. You can view a list of Dr. Issam A. Oneyssi's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. Issam A. Oneyssi accept my insurance?
Dr. Issam A. Oneyssi accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 508-765-9771 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Acute PancreatitisDr. Oneyssi isAdvanced. Learn about Acute Pancreatitis.
- Atypical PneumoniaDr. Oneyssi isAdvanced. Learn about Atypical Pneumonia.
- Cerebral HypoxiaDr. Oneyssi isAdvanced. Learn about Cerebral Hypoxia.
- Childhood PancreatitisDr. Oneyssi isAdvanced. Learn about Childhood Pancreatitis.
- Chronic Obstructive Pulmonary Disease (COPD)
- COVID-19Dr. Oneyssi isAdvanced. Learn about COVID-19.
- Gitelman SyndromeDr. Oneyssi isAdvanced. Learn about Gitelman Syndrome.
- Hospital-Acquired PneumoniaDr. Oneyssi isAdvanced. Learn about Hospital-Acquired Pneumonia.
- Hypertensive Heart DiseaseDr. Oneyssi isAdvanced. Learn about Hypertensive Heart Disease.
- Low Potassium LevelDr. Oneyssi isAdvanced. Learn about Low Potassium Level.
- Low Sodium LevelDr. Oneyssi isAdvanced. Learn about Low Sodium Level.
- Lung MetastasesDr. Oneyssi isAdvanced. Learn about Lung Metastases.
- Multisystem Inflammatory Syndrome in Children (MIS-C)
- Peptic UlcerDr. Oneyssi isAdvanced. Learn about Peptic Ulcer.
- PneumoniaDr. Oneyssi isAdvanced. Learn about Pneumonia.
- SepsisDr. Oneyssi isAdvanced. Learn about Sepsis.
- Volkmann ContractureDr. Oneyssi isAdvanced. Learn about Volkmann Contracture.
- Experienced
- Acute Coronary SyndromeDr. Oneyssi isExperienced. Learn about Acute Coronary Syndrome.
- Acute CystitisDr. Oneyssi isExperienced. Learn about Acute Cystitis.
- Acute Kidney FailureDr. Oneyssi isExperienced. Learn about Acute Kidney Failure.
- Acute Respiratory Distress Syndrome (ARDS)
- Alcoholic CirrhosisDr. Oneyssi isExperienced. Learn about Alcoholic Cirrhosis.
- Alcoholic NeuropathyDr. Oneyssi isExperienced. Learn about Alcoholic Neuropathy.
- ALK-Positive Non-Small Cell Lung CancerDr. Oneyssi isExperienced. Learn about ALK-Positive Non-Small Cell Lung Cancer.
- AnemiaDr. Oneyssi isExperienced. Learn about Anemia.
- AngioedemaDr. Oneyssi isExperienced. Learn about Angioedema.
- ApoplexyDr. Oneyssi isExperienced. Learn about Apoplexy.
- AscitesDr. Oneyssi isExperienced. Learn about Ascites.
- AsthmaDr. Oneyssi isExperienced. Learn about Asthma.
- Asthma in ChildrenDr. Oneyssi isExperienced. Learn about Asthma in Children.
- AtherosclerosisDr. Oneyssi isExperienced. Learn about Atherosclerosis.
- Atrial TachycardiaDr. Oneyssi isExperienced. Learn about Atrial Tachycardia.
- Atrioventricular Nodal Reentrant Tachycardia (AVNRT)
- Autosomal Dominant HypocalcemiaDr. Oneyssi isExperienced. Learn about Autosomal Dominant Hypocalcemia.
- Bacterial GastroenteritisDr. Oneyssi isExperienced. Learn about Bacterial Gastroenteritis.
- CellulitisDr. Oneyssi isExperienced. Learn about Cellulitis.
- Childhood Hypophosphatasia (HPP)Dr. Oneyssi isExperienced. Learn about Childhood Hypophosphatasia (HPP).
- Childhood Iron Deficiency AnemiaDr. Oneyssi isExperienced. Learn about Childhood Iron Deficiency Anemia.
- CholecystitisDr. Oneyssi isExperienced. Learn about Cholecystitis.
- ColitisDr. Oneyssi isExperienced. Learn about Colitis.
- Coronary Heart DiseaseDr. Oneyssi isExperienced. Learn about Coronary Heart Disease.
- Crohn's DiseaseDr. Oneyssi isExperienced. Learn about Crohn's Disease.
- Deep Vein ThrombosisDr. Oneyssi isExperienced. Learn about Deep Vein Thrombosis.
- DehydrationDr. Oneyssi isExperienced. Learn about Dehydration.
- DeliriumDr. Oneyssi isExperienced. Learn about Delirium.
- Delirium TremensDr. Oneyssi isExperienced. Learn about Delirium Tremens.
- DementiaDr. Oneyssi isExperienced. Learn about Dementia.
- Diverticular DiseaseDr. Oneyssi isExperienced. Learn about Diverticular Disease.
- DysferlinopathyDr. Oneyssi isExperienced. Learn about Dysferlinopathy.
- DysgraphiaDr. Oneyssi isExperienced. Learn about Dysgraphia.
- EGFR Positive Lung CancerDr. Oneyssi isExperienced. Learn about EGFR Positive Lung Cancer.
- EmpyemaDr. Oneyssi isExperienced. Learn about Empyema.
- EndoscopyDr. Oneyssi isExperienced. Learn about Endoscopy.
- Enlarged LiverDr. Oneyssi isExperienced. Learn about Enlarged Liver.
- Enlarged Prostate (BPH)Dr. Oneyssi isExperienced. Learn about Enlarged Prostate (BPH).
- EpilepsyDr. Oneyssi isExperienced. Learn about Epilepsy.
- EpiscleritisDr. Oneyssi isExperienced. Learn about Episcleritis.
- EthmoiditisDr. Oneyssi isExperienced. Learn about Ethmoiditis.
- FaintingDr. Oneyssi isExperienced. Learn about Fainting.
- Familial HypertensionDr. Oneyssi isExperienced. Learn about Familial Hypertension.
- Familial Hypocalciuric Hypercalcemia Type 1
- Familial Neurocardiogenic SyncopeDr. Oneyssi isExperienced. Learn about Familial Neurocardiogenic Syncope.
- FluDr. Oneyssi isExperienced. Learn about Flu.
- Gallbladder DiseaseDr. Oneyssi isExperienced. Learn about Gallbladder Disease.
- Gastrointestinal BleedingDr. Oneyssi isExperienced. Learn about Gastrointestinal Bleeding.
- Glucocorticoid-Remediable AldosteronismDr. Oneyssi isExperienced. Learn about Glucocorticoid-Remediable Aldosteronism.
- Grass AllergyDr. Oneyssi isExperienced. Learn about Grass Allergy.
- H1N1 InfluenzaDr. Oneyssi isExperienced. Learn about H1N1 Influenza.
- Heart AttackDr. Oneyssi isExperienced. Learn about Heart Attack.
- Heart FailureDr. Oneyssi isExperienced. Learn about Heart Failure.
- Heart Failure with Preserved Ejection Fraction (HFpEF)
- Hereditary PancreatitisDr. Oneyssi isExperienced. Learn about Hereditary Pancreatitis.
- High CholesterolDr. Oneyssi isExperienced. Learn about High Cholesterol.
- High Potassium LevelDr. Oneyssi isExperienced. Learn about High Potassium Level.
- HypercalcemiaDr. Oneyssi isExperienced. Learn about Hypercalcemia.
- HypertensionDr. Oneyssi isExperienced. Learn about Hypertension.
- Hypophosphatasia (HPP)Dr. Oneyssi isExperienced. Learn about Hypophosphatasia (HPP).
- HypophosphatemiaDr. Oneyssi isExperienced. Learn about Hypophosphatemia.
- HypothermiaDr. Oneyssi isExperienced. Learn about Hypothermia.
- HypothyroidismDr. Oneyssi isExperienced. Learn about Hypothyroidism.
- Idiopathic HypercalciuriaDr. Oneyssi isExperienced. Learn about Idiopathic Hypercalciuria.
- Infectious ArthritisDr. Oneyssi isExperienced. Learn about Infectious Arthritis.
- Interstitial NephritisDr. Oneyssi isExperienced. Learn about Interstitial Nephritis.
- Iron Deficiency AnemiaDr. Oneyssi isExperienced. Learn about Iron Deficiency Anemia.
- JaundiceDr. Oneyssi isExperienced. Learn about Jaundice.
- Juvenile Paget's DiseaseDr. Oneyssi isExperienced. Learn about Juvenile Paget's Disease.
- Lactic AcidosisDr. Oneyssi isExperienced. Learn about Lactic Acidosis.
- Low Blood PressureDr. Oneyssi isExperienced. Learn about Low Blood Pressure.
- Lung AdenocarcinomaDr. Oneyssi isExperienced. Learn about Lung Adenocarcinoma.
- Lung CancerDr. Oneyssi isExperienced. Learn about Lung Cancer.
- LymphangitisDr. Oneyssi isExperienced. Learn about Lymphangitis.
- Magnesium DeficiencyDr. Oneyssi isExperienced. Learn about Magnesium Deficiency.
- MalnutritionDr. Oneyssi isExperienced. Learn about Malnutrition.
- Maturity Onset Diabetes of the YoungDr. Oneyssi isExperienced. Learn about Maturity Onset Diabetes of the Young.
- Memory LossDr. Oneyssi isExperienced. Learn about Memory Loss.
- Metabolic AcidosisDr. Oneyssi isExperienced. Learn about Metabolic Acidosis.
- Milk-Alkali SyndromeDr. Oneyssi isExperienced. Learn about Milk-Alkali Syndrome.
- Morning SicknessDr. Oneyssi isExperienced. Learn about Morning Sickness.
- NecrosisDr. Oneyssi isExperienced. Learn about Necrosis.
- Necrotizing EnterocolitisDr. Oneyssi isExperienced. Learn about Necrotizing Enterocolitis.
- NephrosclerosisDr. Oneyssi isExperienced. Learn about Nephrosclerosis.
- Non-Small Cell Lung Cancer (NSCLC)Dr. Oneyssi isExperienced. Learn about Non-Small Cell Lung Cancer (NSCLC).
- Obesity in ChildrenDr. Oneyssi isExperienced. Learn about Obesity in Children.
- Ogilvie SyndromeDr. Oneyssi isExperienced. Learn about Ogilvie Syndrome.
- Orthostatic HypotensionDr. Oneyssi isExperienced. Learn about Orthostatic Hypotension.
- Osteomyelitis in ChildrenDr. Oneyssi isExperienced. Learn about Osteomyelitis in Children.
- Paroxysmal Supraventricular Tachycardia (PSVT)
- Pediatric MyocarditisDr. Oneyssi isExperienced. Learn about Pediatric Myocarditis.
- PericarditisDr. Oneyssi isExperienced. Learn about Pericarditis.
- PleurisyDr. Oneyssi isExperienced. Learn about Pleurisy.
- Pseudomembranous ColitisDr. Oneyssi isExperienced. Learn about Pseudomembranous Colitis.
- Pulmonary EdemaDr. Oneyssi isExperienced. Learn about Pulmonary Edema.
- Pulmonary EmbolismDr. Oneyssi isExperienced. Learn about Pulmonary Embolism.
- Pulmonary HypertensionDr. Oneyssi isExperienced. Learn about Pulmonary Hypertension.
- Pulmonary Veno-Occlusive DiseaseDr. Oneyssi isExperienced. Learn about Pulmonary Veno-Occlusive Disease.
- Renovascular HypertensionDr. Oneyssi isExperienced. Learn about Renovascular Hypertension.
- Respiratory AcidosisDr. Oneyssi isExperienced. Learn about Respiratory Acidosis.
- Respiratory AlkalosisDr. Oneyssi isExperienced. Learn about Respiratory Alkalosis.
- Respiratory Syncytial Virus (RSV) Infection
- RhabdomyolysisDr. Oneyssi isExperienced. Learn about Rhabdomyolysis.
- SinusitisDr. Oneyssi isExperienced. Learn about Sinusitis.
- Small Cell Lung Cancer (SCLC)Dr. Oneyssi isExperienced. Learn about Small Cell Lung Cancer (SCLC).
- Squamous Cell Lung CarcinomaDr. Oneyssi isExperienced. Learn about Squamous Cell Lung Carcinoma.
- StrokeDr. Oneyssi isExperienced. Learn about Stroke.
- Syndrome of Inappropriate Antidiuretic Hormone Secretion (SIADH)
- ThrombocytopeniaDr. Oneyssi isExperienced. Learn about Thrombocytopenia.
- TracheitisDr. Oneyssi isExperienced. Learn about Tracheitis.
- Transient Ischemic Attack (TIA)Dr. Oneyssi isExperienced. Learn about Transient Ischemic Attack (TIA).
- Type 1 Diabetes (T1D)Dr. Oneyssi isExperienced. Learn about Type 1 Diabetes (T1D).
- Type 2 Diabetes (T2D)Dr. Oneyssi isExperienced. Learn about Type 2 Diabetes (T2D).
- Urinary Tract Infection (UTI)Dr. Oneyssi isExperienced. Learn about Urinary Tract Infection (UTI).
- Urinary Tract Infection in ChildrenDr. Oneyssi isExperienced. Learn about Urinary Tract Infection in Children.
- VertigoDr. Oneyssi isExperienced. Learn about Vertigo.
- Viral GastroenteritisDr. Oneyssi isExperienced. Learn about Viral Gastroenteritis.

