Call (920) 969-1768 for an Appointment

Neenah * Oshkosh * Appleton

We are open for both In-Office and Telemedicine visits

Living Without

Care Team

Our staff at the Allergy & Asthma Center at Ear, Nose and Throats Specialists of Wisconsin is here to help you with all of your allergy and asthma needs.

Call 920-969-1768 today for your consultation.

Christopher M. Mjaanes

Christopher M. Mjaanes


  • Board Certified by the American Board of Allergy & Immunology (2005)
  • Board Certified by the American Board of Pediatrics (2003)
  • Fellowship at Allergy and Immunology at National Jewish Medical and Research Center, Denver, CO (2003 - 2005)
  • Pediatric Residency at the UW-Children’s Hospital of Madison (2000 - 2003)
  • University of Wisconsin Medical School, Madison, WI (1996 - 2000)
  • University of Wisconsin, Madison B.S. in Sociology (1988 - 1992)

Faculty Positions

Clinical Adjunct Assistant Professor: Department of Medicine University of Wisconsin School of Medicine and Public Health (2013 – present)

Professional Interests

  • Food Allergy
  • Pediatric Respiratory Disease
  • Severe Asthma
  • Difficult-to-Treat Asthma in Children and Adults
  • Atopic Dermatitis
  • Allergic and Respiratory Disorder in Competitive Athletes
  • Vocal Cord Dysfunction
  • Eosinophilic Gastrointestinal Disorders
  • Immunodeficiency


I am fluent in Spanish and have completed several medical missions to the underserved regions of Ecuador. My volunteerism also includes participating in tsunami relief efforts in India in 2005. I enjoy martial arts, woodworking, carpentry, skiing, hiking and playing soccer. I live in Neenah with my wife and three children.

Angela Stengel

Angela Stengel


  • Certified Asthma Educator, 2016
  • UW-Oshkosh: Bachelor of Science in Nursing, 1997

Professional Interests:

As a Certified Asthma Educator I work one on one with the patient and their families to educate them on Asthma issues. I enjoy interacting with people of all ages and helping them to understand and live with:

  • Environmental Allergies,
  • Food Allergies
  • Asthma,
  • Eczema
  • Other Skin Conditions,
  • Administering Allergy Immunotherapy.


Born and raised in the Oshkosh area on a dairy farm and currently lives in Oshkosh. I am married and have two sons. I enjoy spending time outdoors, helping on the farm, traveling and scrapbooking.

Traci Schultz

Traci Schultz
Certified Medical Assistant / Certified Pharmacy Technician


  • Level II Certificate in Medical Assisting-2001 Cisco Jr. College, Abilene, Texas

Professional Interests:

I am actively working toward becoming a Certified Asthma Educator so I can better help patients and their families understand their condition. I love working with people. I previously worked for Dr. Shringer, a Board Certified Allergist, for 12 years.


Born and raised in the Fox Valley area. After graduating from Fox Valley Lutheran High School I spent several years overseas in Turkey then relocated to Abilene, Texas in 1995 and lived there until 2013. I have three adult children, and enjoy spending time with them. I also love cooking, aviation, and volunteer work. I live in Kimberly with my partner, Steve.