NYMC > Departments > Academic Departments > School of Medicine > Medicine > Divisions > Gastroenterology and Hepatobiliary Diseases > Current Fellows

Current Fellows

Class of 2018

Jonathan Barsa 

Jonathan Barsa, M.D.
I grew up in Yonkers, NY and my interests include tennis, golf and spoiling my Labrador retriever puppy. My special talent is being double jointed.

Medical School: Columbia University
Residency: Mount Sinai School of Medicine




Dana Berg 

Dana Berg, M.D.
Raised in northern New Jersey, I’ve spent the last nine years living in New York City. Starting with Columbia University as an undergraduate (where 116 th St and Broadway [along with the library!] became my new home), I then headed to the Bronx to complete my medical degree at Albert Einstein College of Medicine. Following this ‘brief’ four-year tenure I then headed back to Manhattan for internal medicine residency at Mount Sinai Hospital, and continue to live in this beloved borough while completing my Gastroenterology fellowship at New York Medical College/Westchester Medical Center. My specific interests within gastroenterology include inflammatory bowel disease, and while outside of the hospital I enjoy reading, running, and planning the vacations I’ll finally be able to go on once I complete all ten years of training.

Medical School: Albert Einstein College of Medicine
Residency: Mount Sinai School of Medicine

Priyanka Chugh 

Priyanka Chugh, M.D.
Born and raised in India, I moved to the US when I was 15. I have split the last 14 years between Philadelphia, the city of brotherly love and New York, the city that never sleeps. Within the field of Gastroenterology and Hepatology, I have a keen interest in motility, IBD, and obesity medicine. People would describe me as an internet nut, problem solver, passionate travel guru, food enthusiast, and an Apple lover. Out of work I enjoy spending time with friends and family, watching movies/TV shows, playing tennis/flag football/ or at the gym.

Medical School: Drexel University College of Medicine, Philadelphia, PA
Residency: New York University School of Medicine.


Class of 2019

Benjamin Barbash (9-7-17) 

Benjamin Barbash, M.D.
I am a born-and-raised New Yorker, and so far I have lived in three of the five boroughs of New York City (Staten Island and Queens pending). I am newly married and my favorite activity outside of work is doing nothing with my wife at home (i.e. eating and binge watching TV shows). In my spare time I also like playing and watching sports, especially basketball, tennis and football. Other interests of mine are Ancient and American history as well as classic movies.

Medical School: SUNY Downstate Medical Center
Residency: New York University School of Medicine


 Shalom Frager, M.D.

Shalom Frager, M.D.
I came to Westchester Medical Center for excellent training in both clinical gastroenterology and hepatology. I have an interest in transplant hepatology with a focus on clinical education and curriculum design. Outside of the hospital, I enjoy spending time with my wife and daughter along with other extra-circular activities including cooking, reading, and playing golf/tennis.

Medical School: Albert Einstein College of Medicine
Residency: New York Presbyterian- Columbia Campus


Class of 2020

Asritha Lakshmi Gollapudi 

Asritha Lakshmi Gollapudi, M.D.
My passion other than GI and research is to paint. Outside the hospital my way of enjoying the day is to use warm colors to bring out beautiful landscapes around me. When I am not at work you can find me spending time with my husband and family hiking, cooking, traveling abroad and enjoying New York City.

Medical School: Osmania Medical College, Hyderabad, India
Residency: New York Medical College at Westchester Medical Center.

Dhruv Mehta, M.D. 

Dhruv Mehta, M.D.
Dhruv was raised in Mumbai, India and attended T N Medical college, before moving to the US. Prior to starting residency, he worked in interventional GI research at the Cleveland Clinic. He then continued onto his residency and fellowship at New York Medical College-Westchester program. Dhruv’s professional interests include advanced endoscopy and hepatobiliary disease. In his spare time, he enjoys hiking, social networking, reading and attending music concerts.

Medical School: T. N. Medical College, Mumbai, India
Residency: New York Medical College at Westchester Medical Center


Class of 2021

Photo and Bio Coming Soon

Mehtap Canastar, M.D.

Medical School: University of Colorado
Residency: Montefiore Medical Center

Sarah Olivier

Sarah Olivier, M.D.

Born and Raised in Dominican Republic, I moved to New York for residency, after which I relocated to the greatest small city in America, New Haven, Connecticut. There I practiced internal medicine as well as participated in motility research with the Digestive Disease department at Yale University.

I’m a natural born planner and passionate about music and food; I’m a beginner level Cello player and an avid cook. I enjoy recreating healthier but delicious options for comfort foods. I am also a fitness aficionado especially in the art of self defense (a must for NYC living) and MovNat.

Medical School: Universidad Iberoamericana de Santo Domingo, Dominican Republic
Residency: Lincoln Medical and Mental Health Center.

Frederick Yick

Frederick Yick, M.D.

Born and raised in New Jersey, I stayed for both college and medical school before finally making a "big move" to the Bronx for residency (even though I was still only about an hour and half from where I was born). Now I am moving just a bit further north to Westchester Medical Center to pursue my passion in Gastroenterology. Outside of the hospital, I like to play tennis, play video games, go traveling and hiking. I also recently started running and have a goal to run a half-marathon in every borough and possibly the New York City Marathon in the future.

Medical School: Rutgers - New Jersey Medical School
Residency: Montefiore Medical Center



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