Our Staff

Amanda Leddige : Owner/Audiologist

Amanda Leddige

Bismarck, ND | Alliance Center for Hearing, PLLC


Dr. Amanda (Heringer) Leddige is a Bismarck native. She earned her bachelors degree in Communication Sciences: Pre-Audiology from Minnesota State University Moorhead in 2009. She continued her education at the University of Colorado, Boulder, and graduated with her Doctorate of Audiology in 2013. She completed clinical rotations at the University of Colorado Hospital, Rocky Mountain Cochlear Implant Center, Children’s Hospital Colorado and Sanford Health. She has been providing audiological care to the Bismarck/Mandan and surrounding communities since 2013. She founded Alliance Center for Hearing in May 2021.

Dr. Leddige specializes in hearing evaluations, tinnitus treatment, hearing aids, bone anchored hearing aids, cochlear implants, cerumen management, hearing conservation and hearing rehabilitation. She loves to educate and engage in community events to help spread awareness of hearing loss, prevention and treatment.

Dr. Leddige is passionate about helping others. Her philosophy of care includes treating patients like family, she takes the time to get to know her patients in order to understand their unique needs. She uses state of the art technology and the highest quality of care to deliver hearing improvements to her patients.

Dr. Leddige is licensed as an audiologist and hearing instrument specialist in the state of North Dakota. She is certified as an audiologist by the American Speech-Language-Hearing Association and is a Fellow of the Academy of Doctors of Audiology. She currently serves as president of the North Dakota State Board of Examiners on Audiology and Speech Language Pathology.

Dr. Leddige lives in Bismarck with her husband and daughter. In her free time she enjoys traveling, reading, gardening, puzzles, music, hiking, volunteering and spending time with her loved ones.

Lisa Evanger : Patient Care Coordinator

Lisa Evanger

Bismarck, ND | Alliance Center for Hearing, PLLC

Patient Care Coordinator

Lisa is a North Dakota native and grew up on a farm by McClusky, North Dakota. She married her high school sweetheart after graduating from Minot State University in 1993. She has over 23 years of office administration experience with the majority of those years in a medical setting. Lisa is passionate about providing great service to our patients and enjoys getting to know them on an individual basis.

Lisa and her husband have three children. In her spare time, she enjoys spending time with her family, taking part in her kids’ activities, and being active in her church. Other personal interests include cooking, walking, biking, gardening, and shopping.

Meet Dr. Leddige

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