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Doctor James Denninghoff Missouri Sinus Allergy
Mary Stephens Missouri Sinus Allergy


Dr. James S. Denninghoff is a practicing otolaryngologist (E.N.T. Ear, Nose and Throat Specialist) who has an interest in sinus and allergy related problems. He graduated from the University of Missouri in 1981 where he also did his ENT specialty training, and was board certified in 1986.

His practice evolved as it became apparent that allergic swelling (inflammation) contributes to many illnesses. An accurate diagnosis is the first step to getting better.


Lindsay has been with our office since 2008. She can assist you with office questions, as well as scheduling and insurance. From Columbia, MO, Lindsay enjoys spending her free time outdoors with her family!


Amy joined our team in 2015. She has worked in a variety of specialty areas in nursing. Outside of work, Amy enjoys spending time outdoors, with family and her golden retriever “Chico”.


Tina is our energetic main receptionist. She has worked with us since 2000. Tina can help with any appointment or insurance questions that you may have. Originally from Tennessee, her husband retired from the Navy in 1995. They moved to Columbia from Minnesota in 1997. Tina is an avid gardener!


Mary has been a nurse for 20 years in a variety of areas. In addition to her husband and 4 children, Mary is Certified Ondamed Practitioner. She enjoys Steelers football and gardening.


Jackie has been with Dr. Denninghoff since 1998. She enjoys talking with patients regarding their food allergies. At home, she enjoys yard work and walking her very spoiled dog. She also plays the piano for a country church and sings with a praise group.


Bridget joined our allergy nursing team as a RN in 2015. From Shelbina, Missouri she enjoys spending time with her family and dog.


Leanne joined our front office team in 2015. A married mother of 2, she enjoys spending time with her family outdoors.

Phone 573-815-0662
Fax 573-443-1162

Midwest Sinus Allergy Specialists
1701 E. Broadway Suite, 304 Columbia, MO 65201