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allergy and immunology 

Patient Care Team

Ronit Herzog, MD, FAAAAI, FAAP
Director, Allergy and Immunology

Joyce E. Yu, MD, FAAP

Jeannie Ruiz, RN
Pediatric Nurse

Todd Lyon
Divisional Administrator

Lidia Acevedo
Marija Vukotic
Senior Medical Secretaries

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Physicians

Specialty or Expertise

Our Physicians

Ronit Herzog, MD Pediatric Allergy, Asthma, Environmental Allergies, Immunotherapy, Pediatric Immunology, Food Allergies, Atopic Dermatitis, Immune Deficiency Diseases, Adult Allergy, Sinusitis

Joyce E. Yu, MD Pediatric Immunology, Immune Deficiency Diseases, Pediatric Allergy, Food Allergies, Environmental Allergies, Atopic Dermatitis, Asthma

Contact Us

Allergy and Immunology
505 East 70th Street
Helmsley Tower
New York, NY 10021

Phone: (646) 962-3410
Fax: (646) 962-0246

For office hours and staff information, view our medical practice page.