The Doctors

Stuart Feinstein, MD, FAAP

Stuart Feinstein, MD, FAAP

Stuart Feinstein, M.D., F.A.A.P. is a graduate of the State University of New York at Downstate Medical Center. He completed his internship and residency at the Schneider Children’s Hospital of the Long Island Jewish Medical Center. Dr. Feinstein has been in pediatric practice since 1986 at this present location. He is a member of the Academy of Pediatrics, the Nassau Pediatric Society, the Nassau County Medical Society, and the New York State Medical Society. Dr. Feinstein is a Diplomate of the American Board of Bariatric Physicians, specializing in weight loss management.

Email Dr. Feinstein at: SFeinstein@kids-care.com

Sharon M Perlman, D.O.

Sharon M Perlman, D.O.

Sharon Perlman, D.O. is a graduate of the Maimonides Medical Center Pediatric Residency Program, and the New York College of Osteopathic Medicine. Dr. Perlman is Board Certified in Pediatrics and a member of the American Academy of Pediatrics and the American Academy of Osteopathic Pediatricians. Practicing with Dr. Feinstein since 2003, Dr. Perlman balances out Kids Care Pediatrics.

You can reach her by email at SMPerlman@kids-care.com

Warren Silberstein, MD, FAAP

Warren Silberstein, MD, FAAP

We are sorry to announce that Warren Silberstein, MD has decided to retire after almost 40 years serving the Lynbrook community.  He has decided it is time to spend more time with his family after all these years.

Dr. Warren is married and has 3 children. His favorite thing to do in his spare time is to play with his GrandQuads (quadruplet grandchildren). He is also sings, plays guitar & piano, bakes great cookies (will share recipes), and enjoys photography

We wish him the best of luck in all his future endeavors.

You can reach Dr. Silberstein at WSilberstein@kids-care.com

Grace Luk, MD

Dr. Luk is now in her second year at our practice.  A graduate of the Northwell Health, Cohen's Children's Medical Center Pediatric Program, she has made herself home here working at both the Lynbrook and Elmont Offices, and we greatly appreciate the relationships she is developing with you, our patients and families.

Stephanie Naguit, DO, FAAP

Dr. Naguit comes to us after practicing for 9 years at other locations.   A graduate of NY College of Osteopathic Medicine and the Maimonides residency program, brings with her experience and special training as a lactation consultant.    We all wish her a warm welcome and are excited having her join our team!

Nurse Practitioners


Cynthia Hyacinthe, NP

Cynthia is a Pediatric Nurse Practioner with over 20 years of experience in a Pediatric Primary setting. She received her Masters of Science degree in Nursing as a PNP from Molloy College in May 1998; and recently joins us after working at PM Peds and St Mary’s Hospital. We are proud to have her join us here at Kids Care.

We Hope you have the experience of allowing her to contribute to your children’s medical care.

Emily Morales, CPNP

Emily is a Pediatric Nurse Practitioner with over 9 years of experience in a Pediatric Primary setting. She received her Masters of Science degree in Nursing as a Certified Pediatric Nurse Practitioner  from NYU College of Nursing in 2012;  and recently joins us after working at a Queens Pediatric Practice for a few years.  She is  certified as a Lactation consultant and would love for you to consult if there are problems nursing.   We are proud to have her here at Kids Care.


If you are a certified nutritionist, and would be interested in joining Kids Care,  please contact us.



During the course of the year,  we are thrilled and honored to have students from a variety of schools spending time with us.  Their purpose is to learn pediatrics, and these schools have deemed us to be exceptional in delivering Pediatric Care.   WE benefit in that these students keep us up to date and on our feet.  Please welcome them as we do,  but if you have concerns,  please let us know.

We are lucky to have Dr. John Accerino and Dr. Vicky Mirisis with us during the week.  Please help us make them welcome.


We are affiliated with the Cohen Children's Hospital at Northwell Health in New Hyde Park

After you are discharged from the hospital, you must call us at 516-775-0493 (Elmont) or 516-599-6230 (Lynbrook) to make a follow-up appointment for your newborn or child.

Please be aware that:

Mercy Medical Center does not have inpatient Pediatrics. Therefore, if you go there as an emergency, and need to be admitted, you will be transferred to Winthrop University Hospital.

Franklin Medical Center (now called Northwell Health @ Valley Stream) in Valley Stream also does not have inpatient Pediatrics. Therefore, if you go there as an emergency, and need to be admitted, you will be transferred to Long Island Jewish-Cohen’s Children's Medical Center.

Insurance Participation

We participate in the following Insurance Plans:

(*you must assign us as the PCP for us to accept the insurance)

Aetna Health Plans*(HMO/PPO/EPO) HIP*
Americhoice MagnaCare
Affinity Health Plans
Blue Cross/Shield* Multi Plan
Care Connect NYS Medicaid
Child Health Plus* Oxford Health Plans*
Cigna Premier Preferred Care
Empire Plan (United) TriCare (Armed Services)
1199 United Health Care (Premium Care Designation)
First Health Oscar Health Insurance
Fidelis UMR
GHI US Family Health Plan
HealthFirst* WellCare