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COVID-19 UPDATE: Under the 14-day quarantine travel advisory announced by the Governors of New Jersey, New York and Connecticut, individuals traveling to or returning from states with increasing rates of COVID-19  are advised to self-quarantine for 14 days. The current list of states, which will be updated regularly, can be found at NY.Gov and NJ.Gov. This includes travel by train, bus, car, plane and any other method of transportation. If you have traveled to one of these states and have stayed longer than 24 hours, we kindly request you self-quarantine at home for 14 days prior to coming into the office. If you would like to schedule a Virtual Appointment, please call 1-855-ENTA-DOC. For more information on how ENTA is taking extra precautions to provide the safest environment possible during the COVID-19 pandemic, please click here.

Our Physicians

Robert J. Marchlewski, MD, FAAP, FACAAI-Allergy *

Robert J. Marchlewski, MD, FAAP, FACAAI-Allergy *

Dr. Robert Marchlewski received his medical degree from the Albert Einstein College of Medicine. After completing an internship, residency, and chief residency in Pediatrics at Schneider Children's Hospital, Dr. Marchlewski continued his training by completing a fellowship in Allergy & Immunology at Long Island Jewish Medical Center.

Dr. Marchlewski is board certified in both Pediatrics and Allergy & Immunology. He is a Fellow of the American Academy of Pediatrics. He is a Member of both the American Academy of Allergy, Asthma & Immunology and the American College of Allergy, Asthma & Immunology, and was recently accepted as a Fellow of the American College of Allergy, Asthma, and Immunology.

Dr. Marchlewski sees patients of all ages at our for evaluation and treatment for a wide variety of allergic and immunologic disorders including seasonal allergies, asthma, sinusitis, anaphylaxis, food and drug allergy, urticaria/angioedema, eczema, and immunodeficiency. He is currently affiliated with Long Island Jewish Medical Center, Schneider Children's Hospital, and North Shore University Hospital at Manhasset.

Robert J. Marchlewski, MD, FAAP, FACAAI-Allergy * accepts the following insurance plans:

Garden City Office:

  • Aetna
  • Affinity Health Plan
  • Agewell
  • BC/BS Empire NY
  • BC/BS Empire NY Pathway
  • BC/BS HealthPlus
  • Bright Health
  • Cigna
  • Clover
  • Elderplan
  • Empire Plan (UHC)
  • Fidelis
  • Hamaspik
  • WTC Health For Heros
  • HealthCare Partners IPA
  • HealthFirst
  • HealthSmart WTC
  • HIP
  • Humana Medicare
  • Local 1199
  • Longevity
  • Magnacare
  • Medicare
  • Multiplan
  • OSCAR
  • Oxford Freedom
  • Partners Health Plan
  • Railroad Medicare
  • Tricare
  • UHC Oxf Liberty
  • United Healthcare Northwell Health
  • UnitedHealthcare
  • US Family Health
  • Wellcare