Our Staff
Louis Sieminski
Dr. Sieminski is a native of Wyoming Valley and has dedicated his professional career to helping hearing impaired children and adults in Northeastern Pennsylvania for over 30 years. He is Board Certified by the American Speech and Hearing Association and is a fellow of the American Academy of Audiology.
Dr. Sieminski helped establish the Pennsylvania mandated program whereby every newborn is screened for hearing loss. He continues to serve as a Board Member on the Advisory Committee of the Pennsylvania Department of Health which oversees this initative.
Dr. Sieminski has lectured both nationally and internationally on the topics of hearing loss and the most recent advances in hearing aid technology.
Dr. Sieminski and his wife, Libby, reside in the Back Mountain. Their son, Jason, is an attorney in Philadelphia and recently founded Spruce Law Group, LLC. Jason is married to Cheray Lynch Sieminski who is a principal with Berkeley Research Group, LLC.
Dr. Monahan has dedicated her professional career to helping diagnose hearing loss and improve the hearing capabilities of infants, children, and adults. She has over 20 years experience and has been a dedicated Audiologist with Dr. Sieminski's office. Dr. Monahan is a PA licensed Audiologist and holds a Certificate of Clinical Competence in Audiology from ASHA. She is a fellow with the American Academy of Audiology and the Pennsylvania Academy of Audiology.
A native of Junedale, PA., Dr. Monahan attended Bloomsburg University and graduated with a Bachelor of Science degree in Communication Disorders and a Masters degree in Audiology. She earned her Doctor of Audiology degree from the PCO School of Audiology in Philadelphia.
Dr. Monahan and her husband, Jim, live in White Haven with their two daughters, Kelly and Shannon. She is actively involved in the White Haven community where she serves on several library committees, is a member of the White Haven Area Community Library Board of Directors and engages in volunteer work with her church.
Erin Engman
Erin was born and raised in White Haven, PA. She is a 1996 graduate of Crestwood High School and graduated from Indiana University of Pennsylvania (IUP) in 2000 with a bachelor’s degree of Sociology. Upon graduation, she relocated to Annapolis, MD where she worked in an administrative capacity within the medical field. After residing in MD for seven years, she returned to NEPA in early 2008 and was hired as the office manager of The Hearing Center.




