Gravesend 260 Ave X
Brooklyn, NY 11223
(718) 336-8855
Flatbush 770 Flatbush Ave
Brooklyn, NY 11226
(347) 627-3988
Downtown Brooklyn 200 Livingston Street
Brooklyn, NY 11201
(718) 522-3399
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Konstantin Peysin, DO – Brooklyn Gastroenterologist

Konstantin Peysin, DO | Gastroenterologist Brooklyn

Konstantin Peysin, DO
Locations in Brooklyn
Flatbush, Downtown

Konstantin Peysin, DO

Board Certified in Gastroenterology


Coney Island Hospital, Brooklyn, NY, July 2016 – present
Gastroenterology Fellow

Stony Brook University Hospital, Stony Brook, NY, July 2013 – June 2016
Internal Medicine Resident


New York College of Osteopathic Medicine, Westbury, NY, August 2009 – June 2013
Doctor of Osteopathy

Stony Brook University, Stony Brook, NY, July 2008 – June 2009

Stony Brook University, Stony Brook, NY, August 2004 – May 2008
Bachelor of Science, Biology and Anthropology


Peysin K, Haghi M, Ekeledo B, Holliway J, Trillo J, Abdullah M, Lapin S, Bernstein M Association of Colonic Polyps With Active Helicobacter Pylori Infection in an Immigrant Population– A Retrospective Analysis. ACG Conference October 2019

Chum C, Peysin K, Choudhry M, Suen I, Mikhelzon N, Mun M, Bernstein M – Daily Coffee Promotes Sustained Viral Response In Hcv-Infected Patients At Coney Island Hospital. IRB Approved

Wagner G, Peysin K, Chang, C, Bernstein M – Metastatic Prostate Cancer Presenting as Solitary Hepatic Flexure Colon Polyp, ACG Conference 2018

Peysin K, Buscaglia J, Nagula S, Bloom M, McLarty A, Skopicki H, Bucobo J – Management of Left Ventricular Assist Device (LVAD) Related Gastrointestinal Bleeding (GIB): A Retrospective Case Series. ACG Conference 2015 Distinguished Abstract Award

Quality Improvement

Peysin K, Trillo J – Split Prep at CIH. Can It Be Done? – Coney Island Hospital Quality Improvement Meeting 2018

Hamo C, Fryman C, Joseph M, Peysin K, Raghavan S, Lu W, Goolsarran N – Standardizing the Interactive Exchange of Patient Hand-off in a Large Teaching Hospital – Poster Presentation at AAMC Integrating Quality Improving Value through Clinical Transformation, Education and Science Meeting 2015

Neerukonda A, Nguyen D, Yu D, Mehta R, Garcia C, Peysin K, Ragavan S, Goolsarran N – Is it Safe to be Direct? Strategies to Improve Transitions of Care – Poster Presentation at AAMC Integrating Quality Improving Value through Clinical Transformation, Education and Science Meeting 2015

Garcia C, Jang K, Peysin K, Hendler R, Hsu S, Haldeos D, Wong R – Current Hypertension Management Strategies in Diabetic Patients in Internal Medicine Resident Clinic – Won 1st place at Stony Brook Hospital Patient Safety Day 2015

Hendler R, Jang H, Peysin K, Garcia C, Jeanty H, Kurkul C, Dooley S, Wong R – Assessment of Knowledge of Hypertension in Internal Medicine Resident Community Clinic – Presentation at Stony Brook Hospital Patient Safety Day 2015

Leadership and Community Service

Medical Education Committee – Member, July 2016 – Present
Coney Island Hospital
Meet monthly to represent the gastroenterology dept.

Patient Safety and Quality Council – Member, July 2014 – June 2016
Stony Brook University Hospital
Elected by peers to identify and intervene on patient safety issues
Organize ongoing research projects


Internal Medicine Guest Lecture, October 2018
Topic: Intro to Liver Failure

Internal Medicine Grand Rounds – Introduction, February 2015
Topic: Non-alcoholic Fatty Liver Disease: Are We Ready for This Epidemic?
Speaker: Dr. Carmen Stanca

Introduction to Clinical Medicine Course – Preceptor, July 2014 – June 2016
Stony Brook University Hospital
Lead teaching sessions for second year medical students focusing on history and physical exam

Evolutionary Biology Undergraduate Course – Head Teaching Assistant, August 2008 – May 2009
Managed group of Teaching Assistants in all aspects of course organization.
Conducted review sessions with students

Interests and Skills

  • Hiking, Scuba Diving, Travel, Tennis
  • Fluent in Russian