Publications:27
Accepting New Patients
- Mount Sinai Doctors
- Treats Adults
- Accepting New Patients
Louis J Cohen, MD
Gastroenterology
About Me
Louis J. Cohen, MD, is an Assistant Professor and practicing gastroenterologist in the Department of Medicine, Division of Gastroenterology. He is board certified in Internal Medicine and Gastroenterology. His clinical interests focus on patients with inflammatory bowel disease and other inflammatory disorders of the bowel. He is a scientific advisor to the Hermansky Pudlak Syndrome Network to aid in the clinical care of patients with Hermansky Pudlak Syndrome throughout the US.
In addition to his medical degree, Dr. Cohen has a Masters in Translation Research from The Rockefeller University, in New York City where he studied in the laboratory of Dr. Sean Brady.
Dr. Cohen is an NIH-funded researcher whose basic science focus is on host-microbial interactions. His current clinical research trials can be found at http://icahn.mssm.edu/research-portal/clinical-trials and include a trial on the use of autologous stem cell transplant for the treatment of Crohn’s disease. His research has been published in a multitude of peer-reviewed journals and books and he is an internally and nationally invited lecturer and presenter.
For more, please read: Volatility of the Gut Microbiome Tied to IBD
The state of Florida requires out-of-state professionals who are registered to provide telehealth services to display a hyperlink to the Florida Department of Health telehealth web page. This allows Florida patients who are receiving medical care by telehealth to confirm the provider’s licensure and Florida registration.
Language
English
Position
ASSOCIATE PROFESSOR | Medicine, Gastroenterology
Hospital Affiliations
- Mount Sinai Morningside
- Mount Sinai Beth Israel
- Mount Sinai Brooklyn
- Mount Sinai Queens
- The Mount Sinai Hospital
- Mount Sinai West
Research Topics
Drug Design and Discovery, Immune Deficiency, Immunology, Inflammation, Metabolomics, Molecular Biology, Mucosal Immunology, Opioid/Cannabinoid Receptors
Clinical Focus
- Crohn's Disease
- Gastroenterology
- Inflammatory Bowel Disease
- Ulcerative Colitis
Video
Education
MD, Tufts University School of Medicine
MS, Rockefeller University
Residency, Internal Medicine
Massachusetts General Hospital
Fellowship, Gastroenterology
Mount Sinai Hospital
Certifications
American Board of Internal Medicine
Awards
2013
Eric Lemmer Award
The Mount Sinai Hospital - Division of Gastroenterology
2007
Alpha Omega Alpha
Research
Autoimmunity, Autophagy, Bacterial Genetics, Cancer, Cellular Differentiation, Cellular Immunity, Computational Biology, Gene Discovery, Immune Deficiency, Immunology, Infectious Disease, Inflammation, Metabolomics, Molecular Biology, Mucosal Immunology, Opioid/Cannabinoid Receptors, Protein Structure/Function, Spectroscopy, Virulence Genes. Please visit the Cohen Laboratory.
Insurance Information
Accepted insurance may vary by the doctor’s office location. Please contact the office directly to obtain the most up-to-date insurance information. Patients with Anthem Blue Cross Blue Shield (formerly known as Empire) please click here for more information. Patients with Molina insurance should click here for more information. Mount Sinai’s contracts with Anthem and Molina expired on December 31.
- 1199 SEIU
- AETNA - Commercial
- AETNA - Medicare
- CIGNA Healthcare
- Centivo
- Elderplan
- EmblemHealth - GHI-PPO
- EmblemHealth - HIP
- EmblemHealth - HIP-Medicare
- Empire Blue Cross Blue Shield - Commercial/Exchange
- Empire Blue Cross Blue Shield - Medicare
- Horizon NJ
- Magnacare-Health Care
- Medicare - NJ
- Medicare - NY
- Multiplan PHCS
- Oscar
- Oxford - Freedom and Liberty
- Senior Whole Health
- United Health Care - Commercial
- United Health Care - Empire Plan
- United Health Care - Oxford Care
- United Health Care - Top Tier
- VNSNY Choice Medicare
- VillageCareMax
- WellCare Health Plan
Physicians who provide services at hospitals and facilities in the Mount Sinai Health System might not participate in the same health plans as those Mount Sinai hospitals and facilities (even if the physicians are employed or contracted by those hospitals or facilities).
Information regarding insurance participation and billing by this physician may be found on this page, and can also be obtained by contacting this provider directly. Because physicians insurance participation can change, the insurance information on this page may not always be up-to-date. Please contact this physician directly to obtain the most up-to-date insurance information.
Insurance and health plan networks that the various Mount Sinai Health System hospitals and facilities participate in can be found on the Mount Sinai Health System website.
Publications
Selected Publications
- Disease duration impacts intestinal gene expression profiles in Crohn's disease but not in ulcerative colitis. Susanne Ibing, Christopher Tastad, Bernhard Y. Renard, Louis J. Cohen, Carmen Argmann, Drew Helmus, Eric E. Schadt, Miriam Merad, Anjli Kukreja, Sudha Visvanathan, Bruce E. Sands, Marla Dubinsky, Mayte Suarez-Fariñas, Jean Frédéric Colombel, Erwin P. Böttinger, Judy H. Cho, Francesca Petralia, Ryan C. Ungaro. Journal of Crohn's and Colitis
- Clonal Hematopoiesis of Indeterminate Potential in Crohn's Disease and Ulcerative Colitis. Myvizhi Esai Selvan, Daniel I. Nathan, Daniela Guisado, Giulia Collatuzzo, Sushruta Iruvanti, Paolo Boffetta, John Mascarenhas, Ronald Hoffman, Louis J. Cohen, Bridget K. Marcellino, Zeynep H. Gümüş. Inflammatory Bowel Diseases
- Hematopoietic stem cell transplantation in Crohn's disease: A comprehensive review. Akshita Gupta, Elena Ricart, Louis Cohen. Current Opinion in Gastroenterology
Patient Experience Star Ratings and Comments
The Patient Experience Star Rating reflects our patients’ perception of how well their Mount Sinai provider communicated with them during an office visit. The Star Rating is based on patient responses to three questions on a patient experience survey, a standardized questionnaire sent to verified patients and distributed by a third party vendor, Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score.
Care Provider’s Explanation
5 out of 5
Care Provider’s Concern
5 out of 5
Likelihood to Recommend Care Provider
5 out of 5
Dr. Cohen answered all my questions and concerns. He explained what the issue is, and we are trying one way that might eliminate my issue. He explained the medicine, how and when I should take it. He also wants me to keep him posted through the portal. Lastly a follow up appointment was made.
Dr. Cohen is the best doctor we have ever had. His compassion and expertise are most strongly present during every moment of the visit. His ability to explain medical issues is exceptional. Put you at ease almost instantaneously.
Dr. Cohen is intelligent, honest, precautious, and understanding. He is an excellent physician and a wonderful human being.
Industry Relationships
Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device, biotechnology companies, and other outside entities to improve patient care, develop new therapies and achieve scientific breakthroughs. In order to promote an ethical and transparent environment for conducting research, providing clinical care and teaching, Mount Sinai requires that salaried faculty inform the School of their outside financial relationships.
Below are financial relationships with industry reported by Dr. Cohen during 2024 and/or 2025. Please note that this information may differ from information posted on corporate sites due to timing or classification differences.
Consulting or Other Professional Services Examples include, but are not limited to, committee participation, data safety monitoring board (DSMB) membership
- Guidepoint
- Johnson & Johnson
- Orchard Therapeutics
- Organoid Sciences
Mount Sinai’s faculty policies relating to faculty collaboration with industry are posted on our website. Patients may wish to ask their physician about the activities they perform for companies.