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Allergy & Asthma Associates Physicians

You will breathe a sigh of relief when you come to Allergy & Asthma Associates for testing and care. We have a highly educated and experienced team of doctors who provide comprehensive services.

William A. Parker, Jr., M.D.

William A. Parker, Jr., MD has been treating patients with allergies and asthma in the Miami Valley since 1988. He is an Honor Graduate of the U.S. Air Force Academy, and received his medical degree from Tulane University School of Medicine.

He is board certified by the American Board of Pediatrics and the American Board of Allergy, Asthma, and Immunology, and is a Fellow of the American College of Allergy and Immunology. Dr. Parker was Head, Division of Allergy and Immunology, at Dayton Children’s for over 20 years.

Patients can see Dr. Parker at our Beavercreek, Huber Heights, and Kettering locations.




Jeremy M. Sikora, M.D.

Jeremy M. Sikora, MD is board certified by the American Board of Allergy and Immunology and by the American Board of Pediatrics. He completed Allergy and Immunology fellowship training at the Wilford Hall Medical Center.

Dr. Sikora has been serving patients in the Dayton area since 2004. He completed his Pediatric Residency training at the Children’s Medical Center of Dayton and Wright Patterson Medical Center, where he served as Chief of Residents. He received his medical degree from Northeast Ohio Medical University, where he was elected to the Honor Medical Society.

Patients can see Dr. Sikora at our Huber Heights and Springfield locations.




Dena D. Bell, RN, MSN, FNP-BC

Dena D, Bell, CNP-BC is a Certified Nurse Practitioner who received her Family Nurse Practitioner and Master’s of Science in nursing from University of Cincinnati. She is board certified by the American Nurses Credentialing Center and licensed by the Ohio Board of Nursing.

Memberships include Sigma Theta International Honor Society, the Honor Society of Phi Kappa Phi, and the Golden Key International Honor Society.

Patients can see Dena Bell, RN, MSN, FNP-BC, at our Beavercreek, Huber Heights, and Kettering locations.

Depend on our allergy doctors to provide you with the quality care you’ve been looking for. Call us today to schedule an appointment.Proudly caring for Allergy and Asthma patients in Beavercreek, Huber Heights, Kettering, Springfield, Dayton, Miami Valley, and surrounding areas.

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