About Us

Allergy and Asthma Center of Southern Oregon, PC is a private, specialty practice located in Medford, Oregon with satellite offices in Grants Pass, Ashland, and Klamath Falls.

We employ two board-certified physicians, Dr. Edward Kerwin and Dr. Kevin Parks, one certified family nurse practitioner, Jaleh Ostovar, and one certified physician assistant, Jennifer Milligan, as well as several full and part-time medical assistants.

Some of the services we have available at our offices include:

• Allergy diagnostic testing
• In vivo: skin testing
• In vitro: blood testing

• Skin allergy (allergic contact dermatitis) testing
• Patch testing

• Lung function testing
• Spirometry
• Body plethysmography (lung volume testing)

• Drug allergy testing

• Immunotherapy (allergy shots)
• Sometimes referred to as desensitization therapy, allergen-specific immunotherapy is a well-studied modality that is appropriate for patients with allergic rhinitis, allergic conjunctivitis, allergic asthma, and stinging insect hypersensitivity. Our center uses state-of-the-art methods according to guidelines set forth by the Joint Council of Allergy Asthma and Immunology for the administration of immunotherapy.

• Anti-IgE monoclonal antibody therapy (omalizumab) for moderate to severe persistent asthma
• Select medication desensitization procedures