Personalized Care for Optimal Health

Catholic Health provides comprehensive care and management of nose, ear, sinus, and lung conditions at locations across Long Island. We tailor treatments to your unique needs and teach disease management techniques so you can take charge of your health.

Our allergy and immunology experts treat adults and children for:

  • Allergic rhinitis—hay fever
  • Asthma
  • Autoimmune diseases
  • Bronchiolitis
  • Drug allergies
  • Food allergies
  • Respiratory allergies
  • Sinusitis—sinus issues

Common allergy symptoms include:

  • Breathing difficulty
  • Coughing
  • Shortness of breath
  • Wheezing

Asthma Self-Management Training at Mercy Hospital

Mercy Hospital (Rockville Centre, NY) provides classes to teach children and adults how to manage their asthma and prevent asthma attacks. We care about you and provide the classes free of charge. Insurance is not required. You will also receive free devices to help you manage your asthma.

Call 516-705-1530 to schedule an appointment. 


A registered respiratory therapist, certified in asthma education, will provide individual or group training to help you control and prevent asthma attacks. Topics include:

  • When to use your asthma medications
  • How to use and clean your inhaler
  • How to recognize and decrease asthma triggers in your home
  • How to use a spacer and peak flow meter
  • How to use your asthma action plan. 
  • Arrive at least 15 minutes before your appointment for registration.
  • Bring your asthma medication devices or a list of your asthma medications.
  • Bring a list of questions that you may have about your asthma.

Allergy & Immunology Locations

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Good Samaritan University Hospital

West Islip, NY Hospital

Mercy Hospital exterior

Mercy Hospital

Rockville Centre, NY Hospital

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St. Catherine of Siena Hospital

Smithtown, NY Hospital

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St. Charles Hospital

Port Jefferson, NY Hospital

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St. Francis Hospital & Heart Center®

Roslyn, NY Hospital Heart Center

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St. Joseph Hospital

Bethpage, NY Hospital

Call 9-1-1 if you are experiencing an allergic reaction.