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Neilanjan Nandi, MD, FACG, AGAF, FCCF, FACP
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Associate Professor of Clinical Medicine (Gastroenterology)
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Patient Safety Officer, Ambulatory Endoscopy Center, Penn Digestive & Liver Health
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Penn Medicine University City
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Co-Section Head, Director of Clinical Operations, Penn IBD Program, Division of Gastroenterology & Hepatology, Dept of Medicine
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Department: Medicine
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Contact information
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Perelman Center for Advanced Medicine
23 3400 Civic Center Boulevard
33 7 South Pavilion
Philadelphia, PA 19104
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23 3400 Civic Center Boulevard
33 7 South Pavilion
Philadelphia, PA 19104
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Office: 215-349-8222
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Education:
21 7 BA 14 (Biology) c
36 William Marsh Rice University, 2001.
21 7 MD 1f (Doctor of Medicine) c
4c Northwestern University Feinberg School of Medicine, 2005.
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Permanent link21 7 BA 14 (Biology) c
36 William Marsh Rice University, 2001.
21 7 MD 1f (Doctor of Medicine) c
4c Northwestern University Feinberg School of Medicine, 2005.
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10a Elias S, Nandi N, Grover L, Fourie S, Newman KL: Addressing Factors that Impact Sexual Well-Being and Intimacy in IBD Patients. Curr Gastroenterol Rep. Springer Nature,(27), 1-10, January 2025.
1d8 Brittaney Bonhomme, BS, Neilanjan Nandi, MD,†, Shivali Berera, MD, Helen Lee, MD, Galen Leung, MD, Chung SangTse, MD, Alexandra Weiss, MD, Lisa Nessel, MSS, MLSP, Yue Ren, MA, Hongzhe Li, PhD, Faten N. Aberra, MD, MSCE, James D. Lewis, MD, MSCE: Greater Fatigue and Reduced Neurocognitive Speed With Symptomatic Crohn’s Disease. Crohn's & Colitis 360. Oxford Academic, 7(1): 1-12, December 2024.
133 Sehgal P, Khanna T, Profka K, Pickett-Blakely O, Nandi N, Rashid F, Bewtra M, Lewis J, Lichtenstein G, Aberra F.: Impact of GLP1 agonists on inflammatory biomarkers in patients with inflammatory bowel disease. DDW, Poster Sa1950 2024.
17c Sehgal P, Khanna T, Profka K, Pickett-Blakely O, Nandi N, Rashid F, Bewtra M, Lewis J, Lichtenstein G, Aberra F.: Safety and clinical effectiveness of GLP1 agonists in inflammatory bowel disease patients. Clin Gastroenterol Hepatol. Elsevier, 25: S1542-3565(25)00073-4. January 2025 Notes: DDW, Oral Su721.
1e0 Yarur AJ, Long M, Torres J, Nandi N, Cross RK, Abbatemarco AM, Blanco D, Niezychowski W, Crosby C, Wu J, Pradeep G, Goetsch M, Panaccione R. : Body mass index does not affect the efficacy and safety of etrasimod in ulcerative colitis patients: a post hoc analysis from the ELEVATE UC clinical program. American Journal of Gastroenterology. Lippincott, Wolters & Kluwer, 119(10S): S1026-S1027, October 2024.
e3 Allison Ferris, Polina Gaisinskaya, Neilanjan Nandi. : Approach to Diarrhea. Primary Care: Clinics in Office Practice. Elsevier, Page: 447-459, May 2023.
130 Charan V, Mukherjee S, Nandi N, Weiss A, Schmoyer C. : Evaluating AI-Language models in providing answers for inflammatory bowel disease (IBD) in pregnancy: A comparative analysis of GPT4, BARD and LLAMA2. DDW, Poster Mo1883 2024.
16a Balasubramaniam M, Nandi N, Aswani-Omprakash T, Sebastian S, Sharma V, Deepak P; South Asian Ibd Alliance Board Of Directors.: Identifying Care Challenges as Opportunities for Research and Education in Inflammatory Bowel Disease in South Asia. Gastroenterology 163(5): 1145-1150, Nov 2022.
143 Keerthana Kesavarapu, DO, Asta Zelenkauskaite, PhD, Neilanjan Nandi, MD, FACP: Reach and Power of Physician-Initiated Tweets in a Twitter Inflammatory Bowel Disease Community. Crohn's & Colitis 360. Oxford University Press, 3(3:otab052), August 2021.
d9 Katz M, Nandi N.: Social Media and Medical Education in the Context of the COVID-19 Pandemic: Scoping Review. JMIR Med Educ 7: e25892, Apr 2021.
13e Aswani-Omprakash T, Sharma V, Bishu S, Balasubramaniam M, Bhatia S, Nandi N, Shah ND, Deepak P, Sebastian S.: Addressing unmet needs from a new frontier of IBD: the South Asian IBD Alliance. Lancet Gastroenterol Hepatol 6(11): 884-885, Nov 2021.
123 Shah N, Joshi T, D’Mello K, Nandi N: Serial FMT & Bezlotoxumab for Recurrent Refractory Clostridium Difficile Infection. Society for Hospitalist Medicine Sep 2019 Notes: Poster: Recipient of 2019 SHM Wild Card Award.
128 Barkin JA, Nandi N, Miller N, Grace A, Barkin JS, Sussman D: Superiority of the DNA amplification assay for the diagnosis of C difficile infection: a clinical comparison of fecal tests. Dig Dis Sci 57(10): 2592-9, May 2012.
fb Nandi, N: Crohn’s Disease. The Netter Collection of Medical Illustrations, Digestive System. Reynolds, J. C. (eds.). Reynolds, J. C. Elsevier Health Sciences. Page: 65-7, 2016.
13a Rosen GL, Sokhansanj B, Nandi N, Mell JC, Pastor S, Woloszynek S: Engineering Human Microbiota : Influencing Cellular and Community Dynamics for Therapeutic Applications. International Review of Cell and Molecular Biology(324), 67-124, 2016.
195 Brotz C, Nandi N, Schroeder T, Conn M, Daskalakis C, DiMarino M, Infantolino A, Katz L, Kastenberg D: A validation study of 3 grading systems to evaluate small bowel cleansing for wireless capsule endoscopy: a quantitative index, qualitative evaluation, and overall adequacy assessment. Gastrointest Endosc. 69(2): 262-70, Feb 2009.
15a Seymour BJ, Matro R, Daskalakis C, Nandi N, Kastenberg DM: A comparison of split dose polyethylene glycol electrolyte solution and simethicone versus standard overnight fast for small bowel cleansing prior to capsule endoscopy. Gastrointest Endosc 69(5): AB104, April 2009.
104 Nandi, N: Post-Transplant Lymphoproliferative Disorder. The Netter Collection of Medical Illustrations, Digestive System. Reynolds, J.C. (eds.). Elsevier Health Sciences. Page: 75, 2016.
ed Nandi, N: Infectious Enteritis. The Netter Collection of Medical Illustrations, Digestive System. Reynolds, J.C. (eds.). Elsevier Health Sciences. Page: 70-3, 2016.
f5 Nandi N, Modi R, Thor S: HIV Enteropathy. The Netter Collection of Medical Illustrations, Digestive System. Reynolds, J.C. (eds.). Elsevier Health Sciences. Page: 74, 2016.
10a Nandi, N: Parasitic Diseases: Necatoriasis & Ancylostomiasis. The Netter Collection of Medical Illustrations, Digestive System. Reynolds, J.C. (eds.). Elsevier Health Sciences. Page: 165, 2016.
e3 Nandi, N: Giardiasis. The Netter Collection of Medical Illustrations, Digestive System. Reynolds, J.C. (eds.). Elsevier Health Sciences. Page: 108, 2016.
e7 Nandi, N: Typhoid Fever. The Netter Collection of Medical Illustrations, Digestive System. Reynolds, J.C. (eds.). Elsevier Health Sciences. Page: 68-69, 2016.
d9 Nandi N, Urban M: Increased Risk of Connective Tissue Disease in Eosinophilic Esophagitis: Case & Literature Review. ACG Apr 2017 Notes: Poster.
105 Nandi N, Styler M, Ward KM, Jain MR, Perimbeti S, Correa E, Degen K, Hanson SB, Lee WM, Hou KY: Racial differences of iron deficiency anemia in gastric cancer. ASCO Oct 2017 Notes: Poster.
14b Styler M, Jain MR, Ward KM, Nandi N, Hakim NN, Marconcini LAL, Martinez MAV, Rivas DM, Trotta C, Carter JS, Perimbeti S, William May Lee WM, Niphadkar S: Pulmonary Embolism Prophylaxis in Solid Tumors: Exploring a Paradigm Shift. ASCO Oct 2017 Notes: Poster.
110 Shah S, Nandi N, Kutzler M, D’Mello K: Implementation of Modified CDI Algorithm to Improve Diagnosis of Clostridium difficile Infection at Hahnemann University Hospital. ACG Apr 2018 Notes: Poster.
cf Perimbeti S, Nandi N, Jain M: Impact of Clostridium difficile Infection on Gastrointestinal Malignancies. ASCO Feb 2019 Notes: Poster.
13a Patel D, Daxini A, Baniya R, Nandi N, Ahmad A: Fecal Microbiota Transplantation (FMT) for Irritable Bowel Syndrome (IBS): A Systematic Review and Meta-Analysis. DDW, Poster May 2019 Notes: Poster: Recipient of 2019 DDW Poster of Distinction.
125 Nandi N, Parikh M, Patel D: Screening, Prevalence & Inappropriate Iron Supplementation in Anemic Inflammatory Bowel Disease (IBD) Patients: An Experience at a Tertiary Referral Center. DDW, Poster May 2019 Notes: Poster.
127 Nandi N, Parikh M, Patel D: Characteristics of Anemia & Inflammatory Bowel Disease (IBD) Activity in African American vs Caucasian Patients: An Urban Tertiary Referral Center Experience. DDW, Poster May 2019 Notes: Poster.
e6 Nandi N, Shah V, Lee A: The Risk Factors and Prevalence of Non-Alcoholic Fatty Liver Disease in Inflammatory Bowel Disease (IBD). DDW May 2019 Notes: Poster.
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Selected Publications
19e Toiv A, Saleh Z, Alsheik E, Venkat D, Nandi N, Zuchelli T.: Digesting Digital Health: A study of appropriateness and readability of Chat GPT generated gastroenterological information. Clinical and Translational Gastroenterology. Wolters Kluwer, 15(11:e00765), August 30 2024 Notes: doi: 10.14309/ctg.0000000000000765. Online ahead of print.10a Elias S, Nandi N, Grover L, Fourie S, Newman KL: Addressing Factors that Impact Sexual Well-Being and Intimacy in IBD Patients. Curr Gastroenterol Rep. Springer Nature,(27), 1-10, January 2025.
1d8 Brittaney Bonhomme, BS, Neilanjan Nandi, MD,†, Shivali Berera, MD, Helen Lee, MD, Galen Leung, MD, Chung SangTse, MD, Alexandra Weiss, MD, Lisa Nessel, MSS, MLSP, Yue Ren, MA, Hongzhe Li, PhD, Faten N. Aberra, MD, MSCE, James D. Lewis, MD, MSCE: Greater Fatigue and Reduced Neurocognitive Speed With Symptomatic Crohn’s Disease. Crohn's & Colitis 360. Oxford Academic, 7(1): 1-12, December 2024.
133 Sehgal P, Khanna T, Profka K, Pickett-Blakely O, Nandi N, Rashid F, Bewtra M, Lewis J, Lichtenstein G, Aberra F.: Impact of GLP1 agonists on inflammatory biomarkers in patients with inflammatory bowel disease. DDW, Poster Sa1950 2024.
17c Sehgal P, Khanna T, Profka K, Pickett-Blakely O, Nandi N, Rashid F, Bewtra M, Lewis J, Lichtenstein G, Aberra F.: Safety and clinical effectiveness of GLP1 agonists in inflammatory bowel disease patients. Clin Gastroenterol Hepatol. Elsevier, 25: S1542-3565(25)00073-4. January 2025 Notes: DDW, Oral Su721.
1e0 Yarur AJ, Long M, Torres J, Nandi N, Cross RK, Abbatemarco AM, Blanco D, Niezychowski W, Crosby C, Wu J, Pradeep G, Goetsch M, Panaccione R. : Body mass index does not affect the efficacy and safety of etrasimod in ulcerative colitis patients: a post hoc analysis from the ELEVATE UC clinical program. American Journal of Gastroenterology. Lippincott, Wolters & Kluwer, 119(10S): S1026-S1027, October 2024.
e3 Allison Ferris, Polina Gaisinskaya, Neilanjan Nandi. : Approach to Diarrhea. Primary Care: Clinics in Office Practice. Elsevier, Page: 447-459, May 2023.
130 Charan V, Mukherjee S, Nandi N, Weiss A, Schmoyer C. : Evaluating AI-Language models in providing answers for inflammatory bowel disease (IBD) in pregnancy: A comparative analysis of GPT4, BARD and LLAMA2. DDW, Poster Mo1883 2024.
16a Balasubramaniam M, Nandi N, Aswani-Omprakash T, Sebastian S, Sharma V, Deepak P; South Asian Ibd Alliance Board Of Directors.: Identifying Care Challenges as Opportunities for Research and Education in Inflammatory Bowel Disease in South Asia. Gastroenterology 163(5): 1145-1150, Nov 2022.
143 Keerthana Kesavarapu, DO, Asta Zelenkauskaite, PhD, Neilanjan Nandi, MD, FACP: Reach and Power of Physician-Initiated Tweets in a Twitter Inflammatory Bowel Disease Community. Crohn's & Colitis 360. Oxford University Press, 3(3:otab052), August 2021.
d9 Katz M, Nandi N.: Social Media and Medical Education in the Context of the COVID-19 Pandemic: Scoping Review. JMIR Med Educ 7: e25892, Apr 2021.
13e Aswani-Omprakash T, Sharma V, Bishu S, Balasubramaniam M, Bhatia S, Nandi N, Shah ND, Deepak P, Sebastian S.: Addressing unmet needs from a new frontier of IBD: the South Asian IBD Alliance. Lancet Gastroenterol Hepatol 6(11): 884-885, Nov 2021.
123 Shah N, Joshi T, D’Mello K, Nandi N: Serial FMT & Bezlotoxumab for Recurrent Refractory Clostridium Difficile Infection. Society for Hospitalist Medicine Sep 2019 Notes: Poster: Recipient of 2019 SHM Wild Card Award.
128 Barkin JA, Nandi N, Miller N, Grace A, Barkin JS, Sussman D: Superiority of the DNA amplification assay for the diagnosis of C difficile infection: a clinical comparison of fecal tests. Dig Dis Sci 57(10): 2592-9, May 2012.
fb Nandi, N: Crohn’s Disease. The Netter Collection of Medical Illustrations, Digestive System. Reynolds, J. C. (eds.). Reynolds, J. C. Elsevier Health Sciences. Page: 65-7, 2016.
13a Rosen GL, Sokhansanj B, Nandi N, Mell JC, Pastor S, Woloszynek S: Engineering Human Microbiota : Influencing Cellular and Community Dynamics for Therapeutic Applications. International Review of Cell and Molecular Biology(324), 67-124, 2016.
195 Brotz C, Nandi N, Schroeder T, Conn M, Daskalakis C, DiMarino M, Infantolino A, Katz L, Kastenberg D: A validation study of 3 grading systems to evaluate small bowel cleansing for wireless capsule endoscopy: a quantitative index, qualitative evaluation, and overall adequacy assessment. Gastrointest Endosc. 69(2): 262-70, Feb 2009.
15a Seymour BJ, Matro R, Daskalakis C, Nandi N, Kastenberg DM: A comparison of split dose polyethylene glycol electrolyte solution and simethicone versus standard overnight fast for small bowel cleansing prior to capsule endoscopy. Gastrointest Endosc 69(5): AB104, April 2009.
104 Nandi, N: Post-Transplant Lymphoproliferative Disorder. The Netter Collection of Medical Illustrations, Digestive System. Reynolds, J.C. (eds.). Elsevier Health Sciences. Page: 75, 2016.
ed Nandi, N: Infectious Enteritis. The Netter Collection of Medical Illustrations, Digestive System. Reynolds, J.C. (eds.). Elsevier Health Sciences. Page: 70-3, 2016.
f5 Nandi N, Modi R, Thor S: HIV Enteropathy. The Netter Collection of Medical Illustrations, Digestive System. Reynolds, J.C. (eds.). Elsevier Health Sciences. Page: 74, 2016.
10a Nandi, N: Parasitic Diseases: Necatoriasis & Ancylostomiasis. The Netter Collection of Medical Illustrations, Digestive System. Reynolds, J.C. (eds.). Elsevier Health Sciences. Page: 165, 2016.
e3 Nandi, N: Giardiasis. The Netter Collection of Medical Illustrations, Digestive System. Reynolds, J.C. (eds.). Elsevier Health Sciences. Page: 108, 2016.
e7 Nandi, N: Typhoid Fever. The Netter Collection of Medical Illustrations, Digestive System. Reynolds, J.C. (eds.). Elsevier Health Sciences. Page: 68-69, 2016.
d9 Nandi N, Urban M: Increased Risk of Connective Tissue Disease in Eosinophilic Esophagitis: Case & Literature Review. ACG Apr 2017 Notes: Poster.
105 Nandi N, Styler M, Ward KM, Jain MR, Perimbeti S, Correa E, Degen K, Hanson SB, Lee WM, Hou KY: Racial differences of iron deficiency anemia in gastric cancer. ASCO Oct 2017 Notes: Poster.
14b Styler M, Jain MR, Ward KM, Nandi N, Hakim NN, Marconcini LAL, Martinez MAV, Rivas DM, Trotta C, Carter JS, Perimbeti S, William May Lee WM, Niphadkar S: Pulmonary Embolism Prophylaxis in Solid Tumors: Exploring a Paradigm Shift. ASCO Oct 2017 Notes: Poster.
110 Shah S, Nandi N, Kutzler M, D’Mello K: Implementation of Modified CDI Algorithm to Improve Diagnosis of Clostridium difficile Infection at Hahnemann University Hospital. ACG Apr 2018 Notes: Poster.
cf Perimbeti S, Nandi N, Jain M: Impact of Clostridium difficile Infection on Gastrointestinal Malignancies. ASCO Feb 2019 Notes: Poster.
13a Patel D, Daxini A, Baniya R, Nandi N, Ahmad A: Fecal Microbiota Transplantation (FMT) for Irritable Bowel Syndrome (IBS): A Systematic Review and Meta-Analysis. DDW, Poster May 2019 Notes: Poster: Recipient of 2019 DDW Poster of Distinction.
125 Nandi N, Parikh M, Patel D: Screening, Prevalence & Inappropriate Iron Supplementation in Anemic Inflammatory Bowel Disease (IBD) Patients: An Experience at a Tertiary Referral Center. DDW, Poster May 2019 Notes: Poster.
127 Nandi N, Parikh M, Patel D: Characteristics of Anemia & Inflammatory Bowel Disease (IBD) Activity in African American vs Caucasian Patients: An Urban Tertiary Referral Center Experience. DDW, Poster May 2019 Notes: Poster.
e6 Nandi N, Shah V, Lee A: The Risk Factors and Prevalence of Non-Alcoholic Fatty Liver Disease in Inflammatory Bowel Disease (IBD). DDW May 2019 Notes: Poster.
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