Book Appointment
I see patients at the following locations:
Education
Bachelor’s Degree – Yeshiva University
Medical Degree – New York Institute of Technology, College of Osteopathic Medicine
Internship – Baptist Medical Center of New York
Residency – Baptist Medical Center of New York, Chief Resident
Fellowship – Beth Israel Medical Center, Mount Sinai School of Medicine, New York
Board Certification – Gastroenterology
Honors & Awards
- Professor of the Year, New York Institute of Technology, College of Osteopathic Medicine
Specialties & Main Areas of Interest
- Colon Cancer Screening
- Colonoscopy with Polypectomy
- Gastrointestinal Bleeding
- Heartburn
- Inflammatory Bowel Disease
- Gastroesophageal Reflux Disease (GERD)
- Endoscopy
- Capsule Endoscopy
- Liver Disease
Hospital Affiliations
- St. Joseph Hospital, Bethpage New York
- Northwell Hospital at Plainview, Plainview New York
Other Appointments
- Associate Clinical Professor of Medicine and Gastroenterology- New York Institute of Technology College of Osteopathic Medicine, Old Westbury New York
- Associate Clinical Professor of Medicine and Gastroenterology-Touro College of Osteopathic Medicine Harlem, New York
Fun Facts
- Dr. Pasternak’s hobbies include traveling, biking, and beach walking.
Conditions & Diseases Treated
- Abdominal Pain
- Achalasia
- Acid Reflux
- Anorectal Disease
- Bacteria and Foodborne Illness
- Barrett's Esophagus
- 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
- 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 (Pre-Procedure Evaluation)
- 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 Cancer
- Reflux Esophagitis/Stricture
- Silent Reflux
- Stomach Ulcers
- Swallowing Difficulty
- Ulcerative Colitis
