Gramercy Pediatrics Staff

Karen Oyuela, ABA

Karen_OyuelaKaren began her career in healthcare as a Pediatric Certified Medical Assistant in Miami, Florida. She studied Practice Administration at Berkeley College in New York. She Joined Gramercy Pediatrics in 2016.  As Practice Manager, Karen leads our team of dedicated staff and is responsible for the day to day operational management of the practice. She has extensive experience in working in the healthcare sector for over 20 years. She lives in Queens with her husband, three children and doggies. Karen enjoys spending time with her family and long walks with her doggies.

Sage Sollart, LPN

Sage SollartSage Sollart joined our staff as an LPN in 2016. She completed her schooling in New Jersey at Eastwick College in 2014 and pursued additional certifications in Pediatric Advanced Life Support and IV Therapy. She loves working with children and knows that a friendly face can make all the difference in a trip to the doctor’s office.
Sage currently lives in Brooklyn with her cat Oliver and on her time off enjoys going to spin class, traveling, and horseback riding.


Karen Cordero, Receptionist

Karen CorderoI am the office receptionist, I am here as the first point of contact ready to assist you. Being around people and doing what I can to help is something I enjoy. I grew up in queens in a big family. I love getting home to a nice meal, my loving husband and pups.



Due to the Coronavirus pandemic, we are converting the majority of our visits to telehealth. Please download the Healow App. IN ORDER TO KNOW HOW TO CHOSE US ON YOUR APP, please download the Healow Quick Start Guide.

This will enable us to provide our families with care, while limiting visits to the office and following social distancing guidelines.

As of April 15th, 2020 we are no longer participating with Oxford and United Healthcare