About
Dr. Daniel J. Alpert is a board-certified gastroenterologist who has maintained a solo private practice in New York City since 1994. He earned his medical degree from the State University of New York Downstate College of Medicine and completed both his Internal Medicine Residency and Gastroenterology Fellowship at New York University Medical Center between 1989 and 1994. He holds a Diplomate certification from the American Board of Internal Medicine in Gastroenterology and Hepatology, earned in 1995.
Dr. Alpert serves as an Attending Physician and Clinical Instructor of Medicine at NYU Langone Medical Center. He is passionate about colorectal cancer screening, inflammatory bowel disease, GERD, liver disease, and pancreatic conditions. Since 2008, he has received the Patient's Choice Award each year, an honor fewer than 5% of the nation's active physicians earn. He holds membership in the American College of Gastroenterology, the American Society of Gastrointestinal Endoscopy, and the Crohn's and Colitis Foundation. His office staff speaks Spanish, Russian, Tagalog, and Hebrew. Patients consistently describe him as calm, thoughtful, and genuinely collaborative in his approach to care.
Education & Training
Medical School
State University of New York Downstate College of Medicine (1985-1989)
Residency
Internal Medicine Residency, New York University Medical Center (July 1989 - June 1992)
Fellowship
Gastroenterology Fellowship, New York University Medical Center (July 1992 - June 1994)
Certifications
Languages
English, Spanish, Russian, Tagalog, Hebrew
Conditions Treated
Who is Dr. Alpert right for?
Dr. Alpert is a strong fit for adults seeking an experienced gastroenterologist in Manhattan. Patients dealing with colorectal cancer screening, IBD, GERD, or liver disease benefit from his focused clinical expertise. His concierge model suits patients who value same-day access and direct communication with their physician. Those managing complex or chronic digestive conditions will appreciate his collaborative, unhurried approach.
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Frequently Asked Questions
Dr. Alpert treats a broad range of digestive and internal medicine conditions. His clinical focus includes colorectal cancer screening, inflammatory bowel disease, GERD, Barrett's esophagus, liver disease, and pancreatic conditions. He also manages irritable bowel syndrome, celiac disease, diverticulosis, H. pylori, hemorrhoids, and gallstones, among others.
Yes. Dr. Alpert holds a Diplomate certification from the American Board of Internal Medicine in Gastroenterology and Hepatology, which he earned in 1995. He also holds board certification in internal medicine.
Dr. Alpert earned his medical degree from the State University of New York Downstate College of Medicine. He completed his Internal Medicine Residency and Gastroenterology Fellowship at New York University Medical Center, finishing his training in 1994.
Dr. Alpert performs colonoscopy, upper endoscopy, flexible sigmoidoscopy, polyp removal, and esophageal dilatation. He conducts all procedures at Eastside Medical Associates, PLLC, his Joint Commission-accredited office-based surgical center.
Yes. Dr. Alpert serves as an Attending Physician and Clinical Instructor of Medicine at NYU Langone Medical Center. This affiliation gives his patients direct access to specialist and hospital resources when their care requires it.
Yes. Dr. Alpert has earned the Patient's Choice Award every year since 2008. Fewer than 5% of active physicians nationwide receive this honor. Patients consistently describe him as calm, thoughtful, and collaborative.
Dr. Alpert holds membership in the American College of Gastroenterology, the American Society of Gastrointestinal Endoscopy, and the Crohn's and Colitis Foundation.
Yes. Dr. Alpert's office staff speaks Spanish, Russian, Tagalog, and Hebrew, making the practice accessible to patients from a range of linguistic backgrounds.
Doctor profile last updated March 21, 2026