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Dr. Lionel D'Souza, MD
Gastroenterology* Age 44
Dr. Lionel D'Souza, MD
5.0 (2 Ratings)

Offers telehealth

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Dr. Lionel D'Souza, MD is a Gastroenterologist in East Setauket, NY.
Dr. Lionel D'Souza, MD
5.0 (2 Ratings)
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Dr. Lionel D'Souza, MD

Gastroenterology* Age 44
East Setauket, NY
Accepting new patients
21 years of experience

Offers telehealth

Dr. Lionel D'Souza, MD is a Gastroenterologist in East Setauket, NY.

About

Dr. D'Souza graduated from Kasturba Medical College of Mangalore (KMC). Dr. Lionel D'Souza, MD is a Gastroenterologist in East Setauket, NY and has 21 years experience. Dr. D'Souza currently practices at Practice and is affiliated with Stony Brook University Hospital, Mount Sinai Hospital and St. Catherine of Siena Hospital. Dr. D'Souza has experience treating conditions like Pancreatitis, Upper Digestive Tract Cancer, Gallstones, Bile Duct Obstruction, Barretts Esophagus with Dysplasia, Barrett's Esophagus and Retroperitoneum Cancer among other conditions at varying frequencies. At present, Dr. D'Souza received an average rating of 5.0/5 from patients and has been reviewed 2 times. Dr. D'Souza's office accepts new patients and telehealth appointments. Dr. D'Souza is board certified in Gastroenterology and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Explains Conditions Well

Patients said this doctor explains conditions well.

Trustworthy

Patients said this doctor is trustworthy.

Friendly Staff

Patients said the staff was friendly.

Experience Check

Enter a condition or procedure
Pancreas Surgeries
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Pancreatitis
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Pancreas Surgeries
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Pancreatitis
Upper Digestive Tract Cancer
Gallstones
Bile Duct Obstruction
Sigmoidoscopy
Barretts Esophagus with Dysplasia
Barrett's Esophagus
Retroperitoneum Cancer
Endoscopy
Esophageal Achalasia and Cardiospasm
Cholangitis
Diaphragmatic and Hiatal Hernia
Duodenal Cancer
Manometry
Flexible Sigmoidoscopy
Rigid Proctosigmoidoscopy
Laparoscopic Removal of Stones from Biliary Tract
Hypokalemia
Gastroesophageal Reflux Disease (GERD)
Esophagitis
Malnutrition
Pancreatic Pseudocyst
Duodenal Polypectomy
Nausea
  • View other providers who treat Nausea
Hemorrhoids
Ileus
  • View other providers who treat Ileus
Gastrointestinal Malabsorption
Gastroptosis
Dysphagia
Non-Alcoholic Fatty Liver Disease
Constipation
Anemia
  • View other providers who treat Anemia
Chronic Gastritis
Gastritis
Gastroparesis
Esophageal Motility Disorders
Irritable Bowel Syndrome
Ascites
  • View other providers who treat Ascites
Vomiting Disorders
Indigestion
Duodenal Ulcer
Reflux Esophagitis
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Intestinal Diverticulosis
Bile Duct Procedure
Esophageal Diverticulum
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Abdominal Pain
Colonoscopy
Intestinal Ulcer
Gastric Ulcer
Colorectal Polyp
Pyloric Stenosis
Gastrointestinal Bleeding
Intestinal Obstruction
Eosinophilic Esophagitis
Inflammatory Bowel Disease
Heartburn
Hepatitis C
Esophageal Ulcer
Cirrhosis
Vitamin_Deficiency
Abdominal Disorders
Acute Gastritis
Alcoholic Cirrhosis
Alcoholic Fatty Liver
Alcoholic Hepatic Failure
Alcoholic Hepatitis
All Types of Food Poisoning
Anal or Rectal Pain
Benign Neoplasm of the Digestive System
Biliary Cirrhosis
Biliary Tract Cancer
Boerhaave's Syndrome
Carcinoid Tumor of Gastrointestinal Tract
Celiac Disease
Cholecystitis and Gallstones
Cholelithiasis
Chronic Cholecystitis
Colon Cancer
Colorectal Cancer
Congenital Achalasia
Congenital Anomaly Bile Duct
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
Cyclical Vomiting
Diarrhea
  • View other providers who treat Diarrhea
Diffuse Esophageal Spasm
Duodenitis
Dysentery
E. coli Food Poisoning
Enteritis
Esophageal Cancer
Esophageal Diseases
Esophageal Varices
Familial Adenomatous Polyposis
Folate Deficiency Anemia
Food Allergy
Food Poisoning
Gastroenterologic Cancer (Colon, Stomach, Esophageal, Liver)
Gastroenteropancreatic Neuroendocrine Tumor
Gastrointestinal Diseases
Gastrointestinal Stromal Tumors
Gastrojejunal Ulcer
Hemochromatosis
Hepatitis A
Hepatitis B
Hepatitis B - Immune Response
Hepatobiliary Cancer
Hepatorenal Syndrome
Hiatal Hernia
Hirschsprung's Disease
Infectious Diarrheal Disease
Intestinal Diverticulitis
Intestinal Fistula
Intestinal Ischemia
Intestinal Malabsorption Carbohydrate
Ischemic Colitis
Lactose Intolerance
Liver Abscess
Liver Damage from Alcohol
Mallory-Weiss Syndrome
Megacolon
Mesenteric Panniculitis
Neoplasm of Gastrointestinal Tract
Non-Neonatal Jaundice
Noninfectious Gastroenteritis and Colitis
Pancreatic Cancer
Pelvic Abscess
Peptic Ulcer
Pouchitis
Primary Biliary Cholangitis
Primary Sclerosing Cholangitis
Rectal Ulcer
Sclerosing Mesenteritis
Splenic Infarct
Splenomegaly
Stomach Carcinoma
Stomach Diseases
Stomach Stenosis
Thiamin Deficiency
Ulcer
  • View other providers who treat Ulcer
Ulcerative Colitis
Unexplained Weight Loss
Viral Enteritis
Viral Hepatitis
Viral Infection
Vitamin B12 Anemia
Biliary Drainage
Colon Cancer Screening
Colorectal Cancer Screening
Endoscopic Mucosal Resection
Endoscopic Ultrasound
Endoscopic Zenker's Diverticulum Surgery
Esophagogastric Fundoplasty
Gallbladder Scan
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Liver Biopsy
Liver Function Test
Per Oral Endoscopic Myotomy (POEM)
pH Probe
  • View other providers who treat pH Probe
Screening Colonoscopy
Transendoscopic Stent Placement
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • BlueCard PPO
  • Options PPO
  • Empire Hospital/Medical (Trad)
    Empire Blue Cross Blue Shield PPO
    Empire Hospital
  • HealthyBlue Advantage
  • Cigna PPO
    LocalPlus
    Open Access Plus
  • Fidelis Care
  • BluePPO HSA PPO
    SimplyBlue/Simply Blue Plus PPO
  • OMNIA HMO
    Horizon Blue Cross Blue Shield POS
    Horizon Blue Cross Blue Shield PPO
    Direct Access PPO
    OMNIA - Tier2 EPO
    Horizon Blue Cross Blue Shield HMO
  • MVP Health Plan EPO
  • MagnaCare PPO
  • Managed Choice (Open Access) POS
    APCN Choice POS II
    Savings Plus of Metro, NY
    Choice Plus POS II
    Select
    Aetna HMO
    AWH NJ Choice MultiTier POS II
    Elect Choice (Open Access) EPO
    Open Choice PPO
    AWH NJ Choice MultiTier - Standard Savings
    Premier Care Network Plus - Innovation Health
  • Freedom
    Liberty
  • Oscar Circle

Locations

  1. 1 Office
    3 Technology Dr, East Setauket, NY 11733
    Monday
    Closed
    Tuesday
    08:00 - 16:30
    Wednesday
    Closed
    Thursday
    Closed
    Friday
    Closed
    Saturday
    Closed
    Sunday
    Closed
  2. 2 Icahn School of Medicine at Mount Sinai
    5 E 98th St, New York, NY 10029

Patient Satisfaction

Likelihood to recommend Dr. D'Souza
5.0
Based on 2 Reviews
5 Stars (2)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (0)

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Patient Reviews
Nov 30, 2023
Good bedside manner and extremely proficient.
— Nov 30, 2023
See more reviews on Healthgrades
Photo: Dr. Lionel D'Souza, MD
How would you rate your experience with Dr. Lionel D'Souza, MD?
  • Likelihood of recommending Dr. D'Souza to family and friends

Dr. D'Souza's Office & Staff

  • Ease of scheduling urgent appointments
  • Staff friendliness and courteousness
  • Total wait time (waiting & exam rooms)

Experience with Dr. D'Souza

  • Level of trust in provider's decisions
  • How well provider explains medical condition(s)
  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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Telehealth Options
This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. D'Souza?
Call now to make an appointment
(631) 444-5220

About Me

Specialties*
Therapy Endoscopy
Gastroenterology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. D'Souza communicate via email?
1 user said yes.
Yes
(1)
No
(0)
Does Dr. D'Souza offer telehealth services or virtual visits?
2 users said yes.
Yes
(2)
No
(0)
Does Dr. D'Souza offer an online patient portal?
3 users said yes.
Yes
(3)
No
(0)
Does Dr. D'Souza have free onsite parking?
1 user said yes.
Yes
(1)
No
(0)
Does Dr. D'Souza offer weekend visits?
No users said yes.
Yes
(0)
No
(1)
Does Dr. D'Souza offer evening visits?
No users said yes.
Yes
(0)
No
(1)
Does Dr. D'Souza specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. D'Souza specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. D'Souza specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. D'Souza specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. D'Souza accept insurance?
No responses yet.
Yes
(0)
No
(0)

Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Lionel D'Souza, MD. To arrange an appointment, call the number on Dr. D'Souza's profile.

Dr. D'Souza frequently treats the following conditions: Pancreatitis, Upper Digestive Tract Cancer, Gallstones, Bile Duct Obstruction, Barretts Esophagus with Dysplasia, Barrett's Esophagus and Retroperitoneum Cancer. See more on Sharecare.

Dr. Lionel D'Souza, MD is affiliated with Stony Brook University Hospital, Mount Sinai Hospital and St. Catherine of Siena Hospital.

Yes, Dr. Lionel D'Souza, MD holds board certification in Gastroenterology.

Education
Medical Education
  • Kasturba Medical College of Mangalore (KMC)
    2005
Medical Education
Board Certifications
  • Gastroenterology
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

Hospital Affiliations

  • Stony Brook University Hospital

    101 Nicolls Rd, Stony Brook, NY

  • Mount Sinai Hospital

    1 Gustave L Levy Pl, New York, NY

  • St. Catherine of Siena Hospital

    50 Route 25A, Smithtown, NY

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