Katherine Tsai, MD

Dr. Katherine Tsai joined Colorado Allergy and Asthma Centers in July 2009. She is board certified by the American Board of Allergy and Immunology.

Dr. Tsai received her bachelor’s degree from University of California Irvine and Doctor of Medicine from Washington University in St. Louis School of Medicine. Internship and residency training was completed at Washington University in St. Louis. After internal medicine residency, she was a hospitalist at Barnes Jewish Hospital. Continuing at Washington University, she completed her Allergy and Immunology fellowship training in June 2009.

Excellence in allergy and asthma care with compassion and respect is Dr. Tsai’s treatment philosophy. Her goal is to help patients control their allergy and asthma symptoms and improve their quality of life.

Schedule an Appointment with Katherine Tsai, MD

IMPORTANT PLEASE READ: If you are a new patient or require testing, please stay off antihistamines for 7 days prior to your appointment. Also, if you are an established patient but have not been seen for over 3 years, you will need to schedule a New Patient Appointment.


Katherine Tsai, MD Can Be Seen at the Following Locations

Wisdom From Katherine Tsai, MD

Penicillin Allergy Testing

08.08.2011 | Katherine Tsai, MD

How many friends or family members do you know who have a penicillin allergy? Are you aware of the risks of having a penicillin allergy? All patients who have a history of penicillin allergy require allergy testing to confirm their diagnosis so that they do not unnecessarily avoid penicillin antibiotics. Penicillin allergy downside If a... Read more »

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