711 Lawn Avenue, Building #1,
P.O. Box 190 Sellersville, PA 18960
Phone: (215) 723-5111
Fax: (215) 453-8223
About Us/FAQs
Warden H. Hwan, M.D., FAAAI (Brief Biography)
Warden H. Hwan, M.D. is a board certified allergist and a fellow of the American Academy of Allergy, Astma, and Immunology. Dr. Hwan did his undergraduate studies at the University of Pennsylvania and then attended and graduated from Temple University School of Medicine. He did his residency in general pediatrics at the Albert Einstein Medical Center in Philadelphia, PA, and completed a fellowship in Allergy and Clinical Immunology at Thomas Jefferson University/ A.I. duPont Hospital for Children in Wilmington, Delaware. He previously worked in a group allergy practice in the Northeast Philadelphia area. He is married and has 3 children (2 daughters and a son). He specializes in the treatment of allergy, asthma, and immunological disorders of children and adults.
Board Certifications
- American Board of Pediatrics
- American Board of Allergy, Asthma and Immunology
Hospital Affiliations
- Grandview Hospital, Sellersville, PA
- Central Montgomery Medical Center, Lansdale, PA
Professional Organizations
- American Academy of Allergy, Asthma, and Immunology
- American College of Allergy, Asthma, and Immunology
- Joint Council of Allergy, Asthma, and Immunology
- Pennsylvania Allergy & Asthma Association
- Pennsylvania Medical Society
FAQs
How long does the initial office visit last?
The initial appointment last between 1 and 2 hours, especially if testing is performed.
Am I required to obtain a referral from my primary care physician?
Each patient is responsible for knowing their insurance plan requirements and for obtaining the appropriate referral(s) prior to their visit, if required. Failure to obtain a proper referral may result in the patient having to reschedule the appointment for a later date.
What should I bring with me on my first visit?
- Name and address of the referring doctor
- List of all medications that you are currently taking
- All inhalers and spacers
- Latest Insurance card(s)
- Pertinent Medical Records (including x-ray or CAT scan reports).
- Previous allergy evaluation if within the past 3 years
Completed patient medical questionnaire, patient information form, and acknowledgement of receipt of privacy notice, which can be downloaded and printed from this site (otherwise, arrive 15-30 minutes before your initial appointment so you can complete these forms).
Will I be skin tested the same day as my initial appointment?
In most instances, skin testing is performed during the initial office visit, if indicated. You will meet with Dr. Hwan first to complete a history and physical exam. If testing is performed, allow up to 2 hours for the initial evaluation, testing and consultation.
What is done during the allergy skin testing?
When you have skin testing done, a small amount of each thing you or your child may be allergic to (allergen) is placed on the skin (usually the forearms or back). The skin is then pricked. After a short time, each skin test reaction is measured for swelling and redness. If there is a large enough skin reaction, it means that you or your child may be allergic to the allergen placed at that site. Dr. Hwan will compare your prick skin test results with your history of symptoms.
Do I need to stop any medications before my initial appointment?
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