Dr. Michael J. Disher, MD

Michael J. Disher , MD is a board-certified neurotologist. Dr. Disher has been practicing as a neurotologist in Indiana since 1996. He received his undergraduate B.A. in Biology in 1981 at Hope College in Holland, Michigan. Dr. Disher attended medical school at the University of Michigan Medical School in Ann Arbor, Michigan in 1986.


--Sponsor of a local nonprofit hearing clinic
--Partners with an organization that helps provide hearing healthcare...

Honors and Awards

--Hope College:  Freshman Biology Award
--Hope College:  Allan C. Kinney Football...

Professional Training

--Internship: General Surgery; St. Joseph Mercy Hospital, 1986-1988
--Externship, NKST missionary hospital, Mkar, Nigeria, West Africa...

Board Certification

--American Board of Otolaryngology
      -Head and Neck Surgery...

Organizations and Societies

--1981-Present         Phi Beta Kappa
--1986-Present        Christian Medical & Dental Society...

Academic Appointments

--Lecturer: Department of Otolaryngology-Head & Neck Surgery, University of Michigan medical School, Ann Arbor, Michigan; July 1, 1992 – June 30, 1994...

Danielle, a family nurse practitioner, joined the Indiana Ear team in July 2019. She completed both her bachelor’s and master’s degrees in nursing at the University of Saint Francis in Fort Wayne. Danielle previously worked as a registered nurse in the operating room at Lutheran Hospital. She is a member of both the American Association of Nurse Practitioners and the Coalition of Advanced Practice Registered Nurses of Indiana. Danielle is able to diagnose and treat patients of all ages with a variety of ear-related concerns such as hearing loss, ear infections, ear pain, tinnitus, dizziness, imbalance,

and headaches.

Danielle Castillo, FNP

Brittany, a family nurse practitioner, joined the Indiana Ear team in February 2020.  She completed both her bachelor's and master's degrees in nursing at Indiana Wesleyan University in Marion, Indiana.  Brittany has previously worked as a registered nurse for a total of twelve years in the surgical trauma intensive care unit and the surgery department at Parkview Hospital.  She is a Board Certified Holistic Nurse and a member of both the American Association of Nurse Practitioners and the Coalition of Advanced Practice Registered Nurses of Indiana.

Brittany Serovy, FNP


Dr. Denise Bickley, Au.D., F-AAA

Denise completed her undergraduate training at Purdue University in Fort Wayne, IN and her graduate training at Indiana University in Bloomington, IN. She earned her doctorate degree through Salus University. Denise has been practicing diagnostic audiology and dispensing services in northern Indiana for 13 years. Her special interests include adult hearing aid services, including CROS hearing systems, and tinnitus (ringing in the ears) management.

Dr. Deborah King, Au.D., CCC-A

Debbie earned her Master of Arts degree in Audiology from Ball State University in 1987 and her Doctorate of Audiology degree from ATSU in 2008.  She is currently employed with Ear Clinic of Indiana after having owned a private practice in Fort Wayne for the past several years. Debbie is licensed by the state of Indiana and a member of the American Speech-Language-Hearing Association.  Debbie’s current clinical work focuses on adult diagnostic hearing testing and hearing aid fittings.  In her free time she enjoys spending time with her family, friends, and rescue pets.

Dr. Cassie Kinney, Au.D.

Cassie Kinney graduated from Ball State University in 2000 with an undergraduate degree in Psychology. After graduation, she chose to stay at home and raise her 3 wonderful daughters. In 2015, Cassie went back to graduate school, later graduating in 2020 with a Doctor of Audiology degree. Cassie completed her audiology externship at Indiana Ear during the 2019-2020 school year and was delighted to continue treating patients at Indiana Ear after graduation. She enjoys testing and treating hearing issues in babies through older adults, working outside in the flower gardens, and spending time with her family.

Leslie earned her Bachelor of Science degree in Speech and Hearing Sciences at Purdue University, W. Lafayette in 2000. She also obtained her Hearing Instrument Specialist certificate from the State of Indiana. She is our office technician and Patient Care Coordinator, bringing 19 years of experience to our team. Leslie focuses on helping patients fix common hearing aid issues and advises on proper use and care of their devices. Additionally, she is our office’s insurance liaison. Outside of work, Leslie keeps busy by traveling with her two sons for soccer and volunteering within the Fort Wayne community.

Leslie Cohen, B.S. SPHS