Overview
Lionel D'souza is a Gastroenterologist practicing medicine in East Setauket, New York.
Dr. D'souza is highly rated in 19 conditions, according to our data. His clinical expertise encompasses Achalasia, Bile Duct Obstruction, Gallstones, Endoscopy, and Pancreatectomy.
He is actively involved in clinical research, co-authoring 37 peer reviewed articles.
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
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE PART D
- HMO
- POS
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
3 Technology Dr, East Setauket, NY 11733
5 E 98th St, New York, NY 10029
Additional Areas of Focus
Dr. D'souza has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
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.
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Michel Kahaleh is a Gastroenterologist practicing medicine in Rochelle Park, New Jersey. Dr. Kahaleh is highly rated in 38 conditions, according to our data. His clinical expertise encompasses Achalasia, Pancreatic Pseudocyst, Bile Duct Obstruction, Endoscopy, and Gastric Bypass. Dr. Kahaleh is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine. Dr. Kahaleh is currently accepting new patients.
Frequently Asked Questions about Dr. Lionel S. D'souza
How do I make an appointment with Dr. Lionel S. D'souza?
You can book an appointment with Dr. Lionel S. D'souza by calling their office at 631-444-5220. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Lionel S. D'souza a top-rated expert for Achalasia?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Lionel S. D'souza is classified as an Distinguished expert for Achalasia, 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. Lionel S. D'souza specialize in?
While Dr. Lionel S. D'souza is a Gastroenterology, they have specific expertise in Achalasia, Bile Duct Obstruction, and Gallstones. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Gastroenterology.
Does Dr. Lionel S. D'souza participate in research or clinical trials?
Yes. Dr. Lionel S. D'souza has published 37 articles and abstracts on conditions like Achalasia. You can view a list of Dr. Lionel S. D'souza's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. Lionel S. D'souza accept my insurance?
Dr. Lionel S. D'souza accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 631-444-5220 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
- Distinguished
- AchalasiaDr. D'souza isDistinguished. Learn about Achalasia.
- Bile Duct ObstructionDr. D'souza isDistinguished. Learn about Bile Duct Obstruction.
- Bile Duct StrictureDr. D'souza isDistinguished. Learn about Bile Duct Stricture.
- CholestasisDr. D'souza isDistinguished. Learn about Cholestasis.
- GallstonesDr. D'souza isDistinguished. Learn about Gallstones.
- Advanced
- Acute PancreatitisDr. D'souza isAdvanced. Learn about Acute Pancreatitis.
- Barrett EsophagusDr. D'souza isAdvanced. Learn about Barrett Esophagus.
- Childhood PancreatitisDr. D'souza isAdvanced. Learn about Childhood Pancreatitis.
- Cholangiocarcinoma (Bile Duct Cancer)
- CholedocholithiasisDr. D'souza isAdvanced. Learn about Choledocholithiasis.
- Colorectal PolypsDr. D'souza isAdvanced. Learn about Colorectal Polyps.
- EndoscopyDr. D'souza isAdvanced. Learn about Endoscopy.
- Familial Pancreatic CancerDr. D'souza isAdvanced. Learn about Familial Pancreatic Cancer.
- Gallbladder DiseaseDr. D'souza isAdvanced. Learn about Gallbladder Disease.
- GastroparesisDr. D'souza isAdvanced. Learn about Gastroparesis.
- Hereditary PancreatitisDr. D'souza isAdvanced. Learn about Hereditary Pancreatitis.
- JaundiceDr. D'souza isAdvanced. Learn about Jaundice.
- Pancreatic CancerDr. D'souza isAdvanced. Learn about Pancreatic Cancer.
- Stomach CancerDr. D'souza isAdvanced. Learn about Stomach Cancer.
- Experienced
- Accessory PancreasDr. D'souza isExperienced. Learn about Accessory Pancreas.
- Ampullary CancerDr. D'souza isExperienced. Learn about Ampullary Cancer.
- Angiodysplasia of the ColonDr. D'souza isExperienced. Learn about Angiodysplasia of the Colon.
- Benign Esophageal StrictureDr. D'souza isExperienced. Learn about Benign Esophageal Stricture.
- Biliary DyskinesiaDr. D'souza isExperienced. Learn about Biliary Dyskinesia.
- Childhood VolvulusDr. D'souza isExperienced. Learn about Childhood Volvulus.
- CholangitisDr. D'souza isExperienced. Learn about Cholangitis.
- CholecystitisDr. D'souza isExperienced. Learn about Cholecystitis.
- Chronic PancreatitisDr. D'souza isExperienced. Learn about Chronic Pancreatitis.
- CirrhosisDr. D'souza isExperienced. Learn about Cirrhosis.
- ColonoscopyDr. D'souza isExperienced. Learn about Colonoscopy.
- Colorectal CancerDr. D'souza isExperienced. Learn about Colorectal Cancer.
- Congenital Diaphragmatic HerniaDr. D'souza isExperienced. Learn about Congenital Diaphragmatic Hernia.
- Esophageal PerforationDr. D'souza isExperienced. Learn about Esophageal Perforation.
- EsophagitisDr. D'souza isExperienced. Learn about Esophagitis.
- Familial Adenomatous PolyposisDr. D'souza isExperienced. Learn about Familial Adenomatous Polyposis.
- Familial Colorectal CancerDr. D'souza isExperienced. Learn about Familial Colorectal Cancer.
- Gallbladder RemovalDr. D'souza isExperienced. Learn about Gallbladder Removal.
- Gardner SyndromeDr. D'souza isExperienced. Learn about Gardner Syndrome.
- GastrectomyDr. D'souza isExperienced. Learn about Gastrectomy.
- Gastric BypassDr. D'souza isExperienced. Learn about Gastric Bypass.
- Gastric DysmotilityDr. D'souza isExperienced. Learn about Gastric Dysmotility.
- Gastroesophageal Reflux Disease (GERD)Dr. D'souza isExperienced. Learn about Gastroesophageal Reflux Disease (GERD).
- Gastrointestinal BleedingDr. D'souza isExperienced. Learn about Gastrointestinal Bleeding.
- Gastrointestinal Stromal TumorDr. D'souza isExperienced. Learn about Gastrointestinal Stromal Tumor.
- GastrostomyDr. D'souza isExperienced. Learn about Gastrostomy.
- HepatitisDr. D'souza isExperienced. Learn about Hepatitis.
- Hiatal HerniaDr. D'souza isExperienced. Learn about Hiatal Hernia.
- IndigestionDr. D'souza isExperienced. Learn about Indigestion.
- Intestinal CancerDr. D'souza isExperienced. Learn about Intestinal Cancer.
- Irritable Bowel Syndrome (IBS)Dr. D'souza isExperienced. Learn about Irritable Bowel Syndrome (IBS).
- Lower Esophageal RingDr. D'souza isExperienced. Learn about Lower Esophageal Ring.
- MacroamylasemiaDr. D'souza isExperienced. Learn about Macroamylasemia.
- Neuroendocrine TumorDr. D'souza isExperienced. Learn about Neuroendocrine Tumor.
- Neuroma Biliary TractDr. D'souza isExperienced. Learn about Neuroma Biliary Tract.
- Painful SwallowingDr. D'souza isExperienced. Learn about Painful Swallowing.
- Pancreas DivisumDr. D'souza isExperienced. Learn about Pancreas Divisum.
- PancreatectomyDr. D'souza isExperienced. Learn about Pancreatectomy.
- Pancreatic AdenomaDr. D'souza isExperienced. Learn about Pancreatic Adenoma.
- Pancreatic PseudocystDr. D'souza isExperienced. Learn about Pancreatic Pseudocyst.
- Portal HypertensionDr. D'souza isExperienced. Learn about Portal Hypertension.
- Sclerosing CholangitisDr. D'souza isExperienced. Learn about Sclerosing Cholangitis.
- Swallowing DifficultyDr. D'souza isExperienced. Learn about Swallowing Difficulty.
- Turcot SyndromeDr. D'souza isExperienced. Learn about Turcot Syndrome.
- Viral GastroenteritisDr. D'souza isExperienced. Learn about Viral Gastroenteritis.
- VisceromegalyDr. D'souza isExperienced. Learn about Visceromegaly.