Michael G. Marcus, MD

Vice Chair, Pediatrics

Maimonides Physician


Pediatric Allergy & Immunology, Pediatric Pulmonology, Allergy & Immunology



About Me

Dr. Michael Marcus is the Director of Pediatric Pulmonary Medicine as well as Allergy/Immunology, caring for both children and adults. He is also the Vice Chair of the Pediatric Ambulatory Network, at Maimonides Medical Center in Brooklyn, NY. Dr. Marcus completed his residency at Nassau County Medical Center. Subsequently, he went on to do his fellowship in Allergy/Immunology and Pediatric Pulmonology at Children's Hospital of Philadelphia (CHOP). Dr. Michael Marcus is active in research and has published extensively throughout his career, with a focus on asthma and allergies. He has special interests in asthma, urticaria and food & environmental allergies as well as gastroesophageal reflux and its impact on lung disease. Currently, Dr. Marcus holds the academic title of Associate Professor of Pediatrics at SUNY Downstate. He is a member of ATS and AAAI, as well as a fellow of ACCP and lectures both locally and nationally to a variety of audiences on a many topics including asthma, chronic sinusitis and lung diseases of children. His treatment philosophy is based on family-centered care. Dr. Marcus believes in the importance in communicating with both child and family throughout the healthcare process, and partnering with the family for the continual well-being of the child.

Areas of Expertise

  • Allergy & Immunology
  • Pediatric Allergy & Immunology
  • Pediatric Pulmonology
  • Special Tots Evaluation Program (STEP)

Conditions Treated

  • Pediatric & Adult Asthma and Allergies
  • Lung Diseases of Children
  • Gastroesophageal Reflux
  • Chronic Lung Disease
  • Complex Pneumonias
  • Eczema
  • Hives
  • Food Allergies Including Peanut Allergy


  • Standard and Biologic Treatments for Asthma and Hives
  • Allergy Immunotherapy (Shots)
  • Allergy Testing
  • Flexible Bronchoscopy
  • Lung Function Testing


Medical Degree

State University of New York Stony Brook University


Nassau County Medical Center


Nassau County Medical Center


Children's Hospital of Philadelphia


Pediatric Pulmonology, Pediatrics, Allergy & Immunology


  • Aetna
  • Affinity Health Plan
  • Cigna
  • Empire Blue Cross Blue Shield
  • Empire Plan (United Healthcare)
  • Fidelis
  • HealthFirst
  • Hotel Trades
  • Local 1199
  • MagnaCare
  • Medicaid
  • Medicare
  • MetroPlus
  • MultiPlan
  • Oxford
  • Tricare
  • United Healthcare
  • VNS Choice
  • Wellcare
  • WTC Health Program

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