Audiologists Boulder


Gina Muhlberg, M.A., CCC-A

Gina Muhlberg, M.A., CCC-A Boulder Valley Hearing Center AudiologistGina earned her Master's Degree in Audiology from the University of Colorado in 1979. She holds her Certificate of Clinical Competence from the American Speech-Language-Hearing Association and is also a member of the American Academy of Audiology. Gina has spent most of her professional career working in ENT practices with an emphasis on hearing aid fitting. She participated in the Boulder Community Hospital Foundation medical mission to Mante, Mexico as part of a team of audiologists which provides over 300 hearing aids annually.  On her off time Gina enjoys hiking, biking and spending time with her family.



Katherine Groon, Au.D., CCC-A

Katherine Groon, Au.D., CCC-A

Dr. Katherine Groon graduated from Gallaudet University in Washington, D.C. with her Masters Degree in hearing, speech, and language science in 2013 and her Doctorate of Audiology in 2015. While at Gallaudet she trained at Johns Hopkins Medicine, The National Institutes of Health and taught outreach courses for Deaf and hard of hearing individuals focusing on the psychological and social impacts of hearing loss. She is proficient in American Sign Language. She is well-versed in the treatment of hearing loss and finds the work of minimizing the limitations presented by hearing loss to be both challenging and gratifying. She holds her Certificate of Clinical Competence from the American Speech-Language-Hearing Association.  When not practicing audiology Katherine enjoys reading, running and camping.


 Samantha Warren, Au.D. CCC-A

Dr. Samantha Warren, is a state licensed audiologist Samantha King - Audiologistand moved to Colorado in 2013. She is a fellow of the American Academy of Audiology, holds the Certificate of Clinical Competence from the American Speech, Language, & Hearing Association, and is on the executive board for the Colorado Academy of Audiology. She earned her Bachelor's of Science and Doctorate of Audiology from Illinois State University. Samantha enjoys working with all age groups in performing audiological diagnostics and fitting amplification. She has a passion for helping others and enjoys building relationships with her patients and their loved ones.


Natalie Nelson, Au.D.

Dr. Natalie J. Nelson is originally from Princeton, IL and graduated with her Bachelor's in Science and Doctorate in Audiology from Northern Illinois University. Natalie is a member of the American Academy of Audiology and the Colorado Academy of Audiology. Natalie enjoys working with the adult and geriatric population – more specifically she enjoys reconnecting patients to their family, friends, and everyday environment through the fitting and use of amplification. In her spare time, she enjoys weightlifting, hiking, and cheering on the Chicago Cubs.  (photo soon)