- Mount Sinai Doctors
- Treats Adults
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Ayanna Lewis, MD
Gastroenterology
About Me
Dr. Ayanna Lewis is the Director of the Inflammatory Bowel Disease Program at Mount Sinai Morningside and Mount Sinai West Hospitals. Her clinical practice is dedicated to the care of patients with inflammatory bowel disease (IBD), including Crohn's disease and ulcerative colitis. She provides comprehensive, patient-centered care using the latest medical therapies and evidence-based treatment strategies to help patients achieve long-term disease control and improve quality of life.
As Director of the Inflammatory Bowel Disease Program, Dr. Lewis is committed to delivering multidisciplinary care tailored to the unique needs of each patient. Her clinical interests include the management of complex inflammatory bowel disease and optimizing treatment approaches for patients with both newly diagnosed and long-standing disease.
Dr. Lewis earned her medical degree from the Geisel School of Medicine at Dartmouth in Hanover, New Hampshire, and completed her Internal Medicine residency and Gastroenterology fellowship at Stony Brook University in Stony Brook, New York. She subsequently completed a visiting fellowship in Inflammatory Bowel Disease at Weill Cornell Medical Center in New York, a clinical research fellowship at Saint Antoine Hospital in Paris, France, and an Advanced Inflammatory Bowel Disease Fellowship at the University of Miami Miller School of Medicine in Miami, Florida. She is board-certified in Internal Medicine and Gastroenterology & Hepatology.
Language
English
Position
ASSISTANT PROFESSOR | Medicine, Gastroenterology
Hospital Affiliations
- Mount Sinai Morningside
- Mount Sinai West
Clinical Focus
- Acid Reflux / Heartburn
- Constipation
- Diarrhea
- Diverticulitis
- Gastritis
- Inflammatory Bowel Disease
- Ulcerative Colitis
Education
MD, Dartmouth Medical School
Residency, Internal Medicine
Renaissance School of Medicine at Stony Brook University
Fellowship, Other, Not Listed
Renaissance School of Medicine at Stony Brook University
Fellowship, Gastroenterology
Hospital St. Antoine Ap Hp
Fellowship, Other, Not Listed
Miami Medical School
Certifications
American Board of Internal Medicine
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.
- 1199 SEIU
- 32BJ Health Fund
- AETNA - Commercial
- AETNA - Medicare
- Amidacare Medicaid
- Anthem/Empire Blue Cross Blue Shield - Commercial
- Anthem/Empire Blue Cross Blue Shield - HealthPlus Medicaid
- CIGNA Healthcare
- Centivo
- Elderplan
- EmblemHealth - GHI-PPO
- EmblemHealth - HIP
- EmblemHealth - HIP-Medicaid
- EmblemHealth - HIP-Medicare
- Fidelis Health Care
- HealthFirst Medicaid
- HealthFirst Medicare
- Horizon NJ
- Magnacare-Health Care
- Medicare - NJ
- Medicare - NY
- Metroplus
- Multiplan PHCS
- NJ Medicaid
- NY Medicaid
- Oscar
- Oxford - Freedom and Liberty
- United Health Care - Commercial
- United Health Care - Empire Plan
- United Health Care - Oxford Care
- United Health Care - UMR Top Tier
- VNSNY Choice Medicare
- VNSNY Select Health Medicaid
- 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.
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.
Dr Lewis is fantastic. Competent, thoughtful, appropriately serious and compassionate.
I'm very happy with my doctor. Dr Lewis is the best
All very sttentive
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. Lewis during 2025 and/or 2026. 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- Janssen Biotech, Inc. (formerly Centocor Ortho Biotech Inc.)
- Asssociation of Black Gastorenterologists & Hepatologist
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.