We are seeing patients in the office with CDC guideline recommendations for safety.
Please do not hesitate to call the office to schedule your office appointment.

Our Physicians

Specialists in Gastroenterology has a staff of highly trained and experienced physicians specializing in gastroenterology who are assisted by several physicians extenders including physician assistants, nurse practitioners and medical assistants to provide the best service for you. To learn more about each of our providers, click on their picture or name below.

Lenny Weinstock, M.D., Gastroenterologist
Leonard Weinstock, M.D.
  Erik Thyssen, M.D., Gastroenterologist
Erik Thyssen, M.D.
  Steven Fern, D.O., Gastroenterology
Steven E. Fern, D.O.

  Aman Singh, M.D., Gastroenterology
Aman Singh, M.D.
  Nikhil Banerjee, M.D., Gastroenterologist
Nikhil Banerjee, M.D.



Physician Assistants

David Van Hoornbeek, PA-C
David Van Hoornbeek, PA-C
  Jennifer Gorham, PA-C
Jennifer Gorham, PA-C
  Kimberly Birenbaum, PA-C
Kimberly Birenbaum, PA-C


Doctors at Specialists in Gastroenterology

From left to right: Steven Fern, D.O., Leonard Weinstock, M.D., Aman Singh, M.D.,
David Van Hoornbeek, PA-C, Erik Thyssen, M.D., Nikhil Banerjee, M.D., Kimberly Birenbaum, PA-C.

Not pictured: Jennifer Gorham, PA-C