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17 E 102nd StNew York, NY 10029
Phone+1 212-241-8100
Fax+1 646-537-8921
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Summary
- Dr. Ari Grinspan is a Gastroenterology specialist located in New York City. He completed his education in 2008 at Albert Einstein College of Medicine, followed by an Internal Medicine residency at New York Presbyterian Hospital and Gastroenterology fellowship at Icahn School of Medicine. His experience spans general gastroenterology, inflammatory bowel disease, and colorectal cancer. Dr. Grinspan has published several research articles, particularly regarding microbiota therapeutics for inflammatory bowel disease, with numerous citations. He is also involved in clinical trials, serving as the sponsor, contact, and principal investigator for a study on Fecal Microbiota Transplantation for Ulcerative Colitis.
Education & Training
Icahn School of Medicine at Mount Sinai/Mount Sinai HospitalFellowship, Gastroenterology, 2011 - 2014
New York Presbyterian Hospital (Cornell Campus)Residency, Internal Medicine, 2008 - 2011
Albert Einstein College of MedicineClass of 2008
Certifications & Licensure
NJ State Medical License 2022 - 2027
NY State Medical License 2011 - 2026
American Board of Internal Medicine Gastroenterology
Clinical Trials
- Refined Fecal Microbiota Transplantation (FMT) for Ulcerative Colitis (UC) Start of enrollment: 2021 Nov 10
Roles: Sponsor-Investigator, Contact, Principal Investigator
Publications & Presentations
PubMed
- Long-read metagenomics for strain tracking after faecal microbiota transplant.Yu Fan, Mi Ni, Varun Aggarwala, Edward A Mead, Magdalena Ksiezarek
Nature Microbiology. 2025-10-22 - 1 citationsLong read metagenomics-based precise tracking of bacterial strains and genomic changes after fecal microbiota transplantation.Yu Fan, Mi Ni, Varun Aggarwala, Edward A Mead, Magdalena Ksiezarek
Biorxiv. 2025-08-11 - Author Correction: Gut microbiota strain richness is species specific and affects engraftment.Alice Chen-Liaw, Varun Aggarwala, Ilaria Mogno, Craig Haifer, Zhihua Li
Nature. 2025-02-01
Press Mentions
Microbes Behind Successful Fecal Microbiota Transplantations May Become Basis for New TreatmentsSeptember 28th, 2021- Potential Alterative to FMT in Bacteria May Restore Gut MicrobiomeSeptember 27th, 2021
- What Are GI's Biggest Disrupters?September 13th, 2021
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