Education
- Bachelor’s Degree -Hartley College in Point Pedro, Jaffna, Sri Lanka.
- Medical Degree – University of Ceylon, Sri Lanka, 1968.
- Internship – Coney Island Hospital, Brooklyn, NY.
- Residency – Coney Island Hospital (1971–1972) and Bronx VA Hospital (1972–1973), NY.
- Fellowship – Maimonides Medical Center, Brooklyn, NY (1973–1976).
- Board Certifications – Gastroenterology; Internal Medicine
Honors & Awards
- AGA Distinguished Clinician in Private Practice Award, 2023
- Distinguished Clinician Award, 2023 – Maimonides Medical Center
- Honorary Police Surgeon, 2015 – New York City Police Department
- National Defense Service Medal – U.S. Army Reserves
- Top Doctors: New York Metro Area – Castle Connolly, multiple editions
- Top Doctors – New York Magazine, multiple years including 2021, 2022, 2023, 2024
Specialties & Main Areas of Interest
- Advanced Endoscopy including ERCP and EMR
- Liver Diseases
Hospital Affiliations
Maimonides Medical Center
Other Appointments
- Clinical Professor of Medicine, Icahn School of Medicine at Mount Sinai.
Research
- Dr. Iswara has published extensively throughout his medical career.
Fun Facts
Dr. Iswara immigrated from Sri Lanka in 1970. He served as a Lieutenant Colonel in the U.S. Army Reserves, including during Operation Desert Storm. He led a medical delegation to Sri Lanka after the 2004 tsunami.
Conditions & Diseases Treated
- Abdominal Pain
- Achalasia
- Acid Reflux
- Anorectal Disease
- Bacteria and Foodborne Illness
- Barrett's Esophagus
- Bile Duct Blockages and Stones
- Celiac Disease
- Chronic Diarrhea
- Clostridioides Difficile
- Colon Cancer
- Colon Disease
- Colon Polyps
- Colorectal Cancer
- Constipation
- Crohn's and Ulcerative Colitis Management
- Crohn’s and Ulcerative Colitis
- Diarrhea
- Difficulty Swallowing (Dysphagia)
- Diverticulosis/Diverticulitis
- Esophageal Cancer
- Esophagitis and Stricture
- Fatty Liver
- Fecal Incontinence
- Gallbladder Disease
- Gallstones
- Gas
- Gastric Cancer
- Gastritis
- Gastrointestinal Malignancies
- Gastroparesis
- Genetic Colon Cancer Syndromes
- GERD
- H. Pylori and Peptic Ulcer
- Heartburn
- Helicobacter Pylori/Peptic Ulcer
- Hemochromatosis
- Hemorrhoids
- Hepatitis A
- Hepatitis B
- Hepatitis C
- Hepatocellular Carcinoma
- Hernias (Abdominal, Groin, and Hiatal)
- High-Risk Colon Cancer Screening
- Inflammatory Bowel Disease, Including Crohn’s Disease and Ulcerative Colitis
- Iron Deficiency Anemia
- Irritable Bowel Syndrome
- Jaundice
- Lactose Intolerance
- Laryngopharyngeal Reflux
- Liver Cirrhosis
- Liver Disease
- Nausea and Vomiting
- Nonalcoholic Steatohepatitis (NASH)
- Obesity
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer Disease (PUD)
- Primary Biliary Cirrhosis
- Proctitis
- Rectal Bleeding
- Rectal Cancer
- Reflux Esophagitis/Stricture
- Silent Reflux
- Stomach Ulcers
- Swallowing Difficulty
- Ulcerative Colitis
Procedures Performed
- Anorectal Manometry
- Bacterial Overgrowth Test
- Barrett’s Treatment
- Breath Testing, including Lactose, Lactulose, Fructose Testing
- Capsule Endoscopy
- Cholangioscopy
- Colonoscopy
- Complex Polypectomy
- CRH Hemorrhoid Ablation
- Diagnostic & Therapeutic Colonoscopy
- Diagnostic & Therapeutic Endoscopy
- Endoscopic Mucosal Resection
- Endoscopic Pseudocyst Drainage
- Endoscopic Retrograde Cholangiopancreatography (ERCP)
- Endoscopic Ultrasound (EUS)
- Endoscopic Ultrasound with Fine Needle Aspiration
- Enteral Stents
- ERCP
- Esophageal Dilation/Testing
- Fecal Transplant
- Flexible Sigmoidoscopy
- Hemorrhoid Banding
- Hemorrhoid Infrared Coagulation Therapy
- Hemorrhoid Treatments (IRC and Banding)
- Lactose Intolerance Breath Test
- Lactose Tolerance Test
- Luminal Stent
- Percutaneous Endoscopic Gastrostomy (PEG)
- Percutaneous Endoscopic Jejunostomy (PEJ)
- Polypectomy
- Upper Endoscopy
- Upper GI Endoscopy (EGD)
- Urea Breath Test (UBT)
- Variceal Banding
