Frederick Rozenshteyn, MD

Stamford Health Medical Group Gastroenterology

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1351 Washington Blvd
4th Fl
Stamford, CT 06902
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Main: 203.276.8490
Fax: 203.276.7218

Stamford Health Medical Group Gastroenterology

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195 Danbury Rd
Wilton, CT 06897
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Main: 203.276.8490
Fax: 203.276.7218

About Me

Dr. Rozenshteyn grew up in northern New Jersey before moving to the Boston area for college at Brandeis University, followed by medical school at Tufts University School of Medicine. After medical school, he moved to New York City to complete his internal medicine training at Mount Sinai Beth Israel, where he was also selected to complete a chief residency year. He then stayed within the health system and completed his gastroenterology fellowship at Mount Sinai Morningside & West, where he was chosen to serve as chief fellow during his final year of training.

Dr. Rozenshteyn strives to treat patients with empathy and respect, while applying evidence-based medicine to his care approach. During his free time, Dr. Rozenshteyn enjoys traveling, playing tennis, rooting on his favorite sports teams, and spending time with his family.

  • Specialties

    Specialties

    Gastroenterology
    Internal Medicine

    Special Interests

    Languages

    English
    Russian

  • Education & Training

    Medical School

    Tufts University School of Medicine

    Residency

    Icahn School of Medicine Mount Sinai Beth Israel

    Fellowship

    Icahn School of Medicine at Mount Sinai/Morningside/West Program

    Undergraduate

    Brandeis University

  • Board Certifications & Affiliations

    Board Certifications

    American Board of Internal Medicine - Gastroenterology
    American Board of Internal Medicine - Internal Medicine

    Affiliations

    Alpha Omega Alpha Honor Society
    American College of Gastroenterology
    American Society for Gastrointestinal Endoscopy
    New York Society for Gastrointestinal Endoscopy

Published Work

Gastric Intestinal Metaplasia Prevalence and Appropriate Follow Up: A Quality Improvement Study. Gastroenterology.

Frederick Rozenshteyn MD, Emily Seltzer DO, Randy Leibowitz DO, Marni Wilkoff MD, Tina Park MD. Gastroenterology. May 2023. 164(6):S794.

Identifying Visceral Kaposi Sarcoma (KS): A Responsibility to Avoid Anchoring on the Diagnosis of a Crohn's Flare.

Emily Seltzer DO, Bo Hyung Yoon MD, Frederick Rozenshteyn MD, Kimberly Cavaliere MD. Cureus. Feb 2023. 15(2):e34986.

Pregnancy Outcomes after Liver Transplantation: A Systematic Review and Meta-Analysis.

Nelson Valentin MD MSc, Isabel Guerrido Martinez MD, Frederick Rozenshteyn MD, Rachel Pinotti MLIS AHIP, Yi-Chia Wu MD, Kelsey Collins MD, Michelle Shah MD, Melissa Hershman MD, Ilan Weisberg MD MSc. The American Journal of Gastroenterology. March 2021. 116(3):491-504.

A Comparative Study of the Efficacy of Endoscopic Injection of Cyanoacrylate Glue vs. Other Interventional Modalities for Treatment of Acute Gastric Variceal Bleeding: A Systematic Review and Meta-Analysis.

Frederick Rozenshteyn MD, Michael Herman MD, Kelsey Collins MD, Isabel Guerrido Martinez MD, Nelson Valentin MD MSc, Michelle Shah DO, Ilan Weisberg MD MSc. The American Journal of Gastroenterology. Oct 2020. 115(1):S318.

Barriers in Completion of H. Pylori Testing in a Predominantly Underserved Hispanic Resident Clinic: A Quality Improvement Project.

Ankita Nagirimadugu MD, Frederick Rozenshteyn MD, Ari Young MD, Alan Tso MD. The American Journal of Gastroenterology. Oct 2019. 114(S):S680.

Comparative Analysis of Laparoscopic Heller Myotomy vs. Peroral Endoscopic Myotomy for Achalasia: A Systematic Review and Meta-Analysis.

Frederick Rozenshteyn MD, Ankita Nagirimadugu MD, Nelson Valentin MD, Orysia Kozicky MD, Jerome Siegel MD. Gastrointestinal Endoscopy. Jun 2019. 89(6):AB198.

If You Are in Need of Emergency Care, Call 911.

The majority of the physicians on the Stamford Hospital Medical Staff are not employees or agents of the Hospital. They are independent practitioners who have been granted the privilege of using the Hospital's facilities for the care and treatment of their patients. This includes, but is not limited to, emergency department physicians, anesthesiologists, radiologists, surgeons, cardiologists, obstetricians, pathologists and other consultants who may treat patients.

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