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Breathe easier and take control of your health with the Allergy, Asthma, and Immunology experts at Boulder Medical Center in Louisville, CO. Our providers offer customized care for allergies, asthma, and immune system conditions to help kids and adults achieve lasting relief. Serving Boulder County communities and beyond, including Superior, Broomfield, Westminster, Erie, and more!
Meet Our Allergy & Asthma Specialists
Katherine McCormack, MD – Board-certified in Allergy, Asthma & Immunology, Dr. McCormack specializes in diagnosing and treating environmental allergies, food allergies, asthma, eczema, and immune system disorders. She is dedicated to helping patients achieve long-term relief with the latest treatments and evidence-based care.
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Hallie OBranovic, NP-C—Hallie is a highly skilled nurse practitioner specializing in allergy and asthma care. She works closely with patients to develop personalized treatment plans. She focuses on patient education and preventive strategies to help individuals and families effectively manage their allergies and respiratory conditions.
Comprehensive Allergy & Asthma Services in Louisville, CO
- Allergy Testing & Treatment — Skin and blood tests for pollen, pet dander, dust mites, mold, and more.
- Asthma Diagnosis & Management – Personalized care plans, inhaler education, and lung function testing.
- Food Allergy Testing & Oral Immunotherapy (OIT) – Safely manage food sensitivities for children and adults.
- Immunotherapy – Long-term relief from environmental allergies.
- Immune System Disorders – Diagnosis and treatment for primary immunodeficiencies.
Conditions We Evaluate and Treat
Our specialists diagnose and treat a wide range of allergic, respiratory, and immune system conditions for children and adults, including:
- Seasonal allergies, hay fever, and nasal allergies (pollen, mold, pet dander)
- Food allergies, including milk and soy protein intolerance
- Drug allergies, latex allergy, and insect sting reactions
- Asthma and allergic rhinitis
- Skin allergies: hives, eczema (atopic dermatitis), and contact dermatitis
- Anaphylaxis and other severe allergic reactions
- Chronic sinus problems, nasal polyps, and nonallergic rhinitis
- Immune system disorders, including immunodeficiency and mast cell disease