Varun  Kumar, MD

Varun Kumar, MD

Specialty: Gastroenterology
Chair, Department of Gastroenterology and Hepatology 
Accepting New Patients
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Locations
Gastroenterology - Fishkill

600 Westage Business Center Drive
Fishkill, NY 12524

1-845-231-5600
Gastroenterology - Poughkeepsie

30 Columbia Street
Poughkeepsie, NY 12601

1-845-231-5600
  • About
  • Education & Training
  • Affiliations
  • Publications
About Provider Varun Kumar, MD:

I am extremely excited to be a part of the Optum team as a gastroenterologist and hepatologist. I grew up in Queens, NY and have lived in Dutchess county the past few years after completing my medical training in New Haven, CT. I take great pride in using empathy as a powerful tool for getting to know and treat my patients. It is important for me to take the time to get to know each individual so that I can truly appreciate how their medical illness prevents them from living the life they desire, and to tailor my workup and treatment plans accordingly. I hope to utilize the knowledge that I have learned from taking care of extremely complex patients at Yale-New Haven Hospital to provide the highest quality care to my patients at Optum. My special interests within the field of Gastroenterology and Hepatology include Colon Cancer screening and prevention, Irritable Bowel Syndrome, Gut Microbiome Dysbiosis, Clostridium difficile treatment, Esophageal and swallowing disorders, Liver disease, Inflammatory Bowel Disease and Endoscopic Procedures.

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Languages Spoken: English, Hindi, Urdu
Gender: Male
Articles and Videos:

Patient Ratings and Comments

The following reviews are from real patients who had a recent visit with this provider:

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Awards & Recognitions:
  • Castle Connolly Top Doctor: 2021, 2022, 2023, 2024
  • Hudson Valley Magazine Top Doctor: 2021-2024
  • Dutchess County Regional Chamber of Commerce Forty Under 40 Mover & Shaker Award: 2019
  • Chief Medical Resident - Yale New Haven Hospital: 2014
  • Gold Humanism Honor Society - Yale New Haven Hospital: 2013
  • Magna Cum Laude - Fordham University: 2006
  • Phi Beta Kappa - Fordham University: 2006
  • Fordham Club Honor Society - Fordham University: 2006
Training:
  • Undergraduate & Graduate
    • Fordham University: 2006
  • Medical Education
    • Stony Brook University: 2010
  • Residency
    • Yale-New Haven Hospital: 2013 Yale-New Haven Hospital, Chief Resident: 2014
  • Fellowship
    • Yale School of Medicine: 2017
  • Board Certifications
    • American Board of Internal Medicine: 2013
    • American Board of Gastroenterology: 2017
Hospital Affiliations:
  • Vassar Brothers Medical Center
  • Mid Hudson Regional Hospital of Westchester Medical Center
  • Kumar, V., Grant, T., Nagar, A. (2013) Adherence to Quality of Care Measures in Patients with Inflammatory Bowel Disease May Not Improve Patient Outcomes. Digestive Disease Week. Orlando, FL 2013
  • Kumar, V. (2013). Acute Diarrhea. In Yale Office-based Medicine Curriculum, eds. Julie R Rosenbaum, Seonaid Hay, Laura Whitman, and Mary Warner, 8th edition. New Haven, CT: Yale University
  • Kumar, V., Chaptini, L., (2013). Acute Lower G.I. Bleed. In Yale Inpatient Medicine Curriculum, editor Dana Dunne. New Haven, CT: Yale University
  • Mansoor S., Kumar, V., Aslanian, H., (2015). Stercoral Colitis. American Journal of Gastroenterology. Image of the month. Dec;110(12):1651
  • Mansoor MS., Kumar V., Feuerstadt, P. Men with CDI Have Increased Co-Morbidities and Worsened Long-Term Outcome Compared with Women. Digestive Disease Week, San Diego, CA 2016
  • Zhou, E., Kumar, V., Mansoor, MS., Feuerstadt, P. Pseudomembranes Are Infrequently Seen in Patients Undergoing Fecal Microbiota Transplant (FMT) for Recurrent C. difficile Infection (CDI) . ACG, Las Vegas 2016
  • Kumar, V., Zhou, E., Mansoor, MS., Feuerstadt, P. Treatment of Initial Recurrence of C. Difficile Infection (CDI) with Vancomycin May Not Prevent Eventual Need for Fecal Microbial Transplantation (FMT). ACG, Las Vegas 2016
  • Afinogenova, Y., Kumar, V., Mansoor, MS., Feuerstadt, P. 5-Aminosalicylic Acid (5-ASA) Usage During C. Difficile Infection (CDI) is Associated with Decreased ICU Admission and Improved Long-Term Outcomes. ACG, Las Vegas 201
  • Viera, S., Kumar, V., Kriegel, M. A Gut Commensal Breaches Both Gut Lymphatic and Vascular Barriers to Drive Systemic Autoimmunity. Keystone Symposia: Microbiome in Health and Disease. Colorado, 2017
  • Kumar V, Zhou E, Afinogenova Y, Mansoor S, Sharma P and Feuerstadt P. Serum Derived Bovine Immunoglobulin (SBI) is Safe and Well Tolerated in Patients Undergoing Fecal Microbiota Transplant (FMT) for Recurrent C. difficile Infection (RCDI). ACG, Orlando 2017
  • Zhou E, Kumar V, Afinogenova Y, Mansoor S, Sharma P and Feuerstadt P. Serum Derived Bovine Immunoglobulin (EnteraGam, SBI) is Safe and Well Tolerated in Patients Undergoing Fecal Microbiota Transplant (FMT) for Recurrent C. difficile Infection (RCDI). ACG, Orlando 2017
  • Sharma P, Kumar V, Mansoor S, Feuerstadt P. Recurrence of C. difficile Infection (CDI) in Patients With Chronic Kidney Disease (CKD) on Hemodialysis Treated With Metronidazole, Vancomycin or Combination Therapy. ACG, Orlando 2017
  • Viera, S., M. Hiltensperger., Kumar, V., Kriegel, M. Spontaneous Translocation of a Gut Pathobiont Drives Autoimmunity that is Preventable by Vaccination - March 2018. Science