Dr. Chuma has been in practice in Chester County since 1998. In 2014, Main Line Today Magazine named him as one of the area’s Top Doctors for the fourth time (2001, 2003, 2013). Dr. Chuma is Board Certified in Otolaryngology, Head and Neck Surgery (1999) and is a Fellow of the American Academy of Otolaryngic Allergy. He completed his Medical Degree and Bachelor of Science in Immunology at the University of Toronto (Canada), where he grew up. His General Surgical Internship and Otolaryngology Residency training were completed at Albany Medical Center (NY). A resident of Downingtown, PA, Dr. Chuma enjoys listening to music and spending time with his wife and three children. In his spare time, he enjoys bonding with his family by playing sports like running, skiing, and volleyball.
Dr. Downey has been practicing Otolaryngology in Chester County since 2009 and was recognized as a Top Doctor by Main Line Today Magazine in 2013. Dr. Downey completed his medical degree at Creighton University in 1996 and his Otolaryngology training in 2001 at the Madigan Army Medical Center in association with the University of Washington. He achieved board certification in 2002 and 2012, and is a member of the American Academy of Otolaryngology – Head and Neck Surgery. From 2001 to 2004, he was an assistant professor at Madigan’s Otolaryngology residency training program. From 2005 to 2009, Dr. Downey served as the Chief of the Departments of Surgery and Otolaryngology at Martin Army Community Hospital, Ft. Benning, GA. Dr. Downey resides in Chadds Ford, PA with his wife and two kids. His hobbies include travel, drums, and college football.
Dr. Hoffmann has been practicing in Chester County since 2009. In 2013 and 2014, Main Line Today Magazine named him among the area’s Top Doctors. Dr. Hoffmann attended college at the University of Delaware and completed his Medical degree at Jefferson Medical College in Philadelphia. He completed his Otolaryngology training at the National Naval Medical Center and the Walter Reed Army Medical Center. He then spent 4 years as Lieutenant Commander/U.S. Navy physician specializing in Otolaryngology at the U.S. Naval Hospital in Okinawa, Japan. He is Board Certified (2006) and a member of the American Academy of Otolaryngology – Head and Neck Surgery. Dr. Hoffmann lives in the West Chester area with his wife and three children.
Dr Ward has been in practice in Chester County since 1999. In 2014, Main Line Today Magazine named him as one of the area’s Top Doctors for the fourth time (2001, 2008, 2013). He attended medical school at Georgetown University and completed his Otolaryngology residency at the University of Virginia. He is Board Certified Otolaryngology/Head and Neck Surgery (1999) and completed a Fellowship in Facial Plastic Surgery at the University of Washington. He is a member of the American Academy of Otolaryngology – Head and Neck Surgery. Dr. Ward served in the US Navy from 1990-1994 as a general medical officer at the U.S. Naval Academy in Annapolis, MD, and as Battalion Surgeon for the 7th Communication Battalion, Third Marine Division in Okinawa, Japan.
Dr. Cortese has been practicing audiology with CCOAA since she received her Doctorate of Audiology in 2008. Dr. Cortese graduated from Pennsylvania State University in 2004 with a Bachelor of Science in Communication Sciences and Disorders and received her Doctorate of Audiology from Central Michigan University. She is licensed in the Commonwealth of Pennsylvania and is a fellow member of the American Academy of Audiology and the Pennsylvania Academy of Audiology. Her special interests are adult diagnostics and adult amplification. Dr. Cortese lives in Springfield, PA with her husband and their son. In her free time she enjoys spending time with her family and going down the shore.
Dr. Keane has been practicing audiology with CCOAA since 2011. Dr. Keane received her Bachelors of Arts degree in Communicative Disorders and Sciences in 2007, and her Doctorate of Audiology in 2011 from the State University of New York at Buffalo. Dr. Keane is a licensed Audiologist in the Commonwealth of Pennsylvania. She is a fellow of the American Academy of Audiology, a member of the Pennsylvania Academy of Audiology, and she holds her certificate of clinical competence from the American Speech-Language & Hearing Association. Dr. Keane’s clinical interests include diagnostic audiometric and vestibular assessment and treatment, amplification, bluetooth-integrated hearing technologies, custom hearing protection, and counseling. Dr. Keane is originally from Buffalo, NY; she currently resides in Chester County with her husband and son. She enjoys gardening, painting, and spending time with family and friends.
Dr. Lisi has been practicing audiology since 1998, serving communities in Delaware, Maryland, New Jersey, and Pennsylvania before joining CCOAA in 2004. Dr. Lisi graduated from Loyola College of Maryland with a Bachelors of Speech-Language Pathology and Audiology (1995) and received his Masters in Audiology from Towson State University (1997). He obtained his Doctorate of Audiology from the Arizona School of Health Sciences in 2006 and served as an adjunct faculty member for the school from 2006 to 2012. Dr. Lisi is Board Certified by the American Speech-Language-Hearing Association (ASHA). Dr. Lisi resides in Chester County with his wife and two children. He enjoys landscaping and hanging out with his family.
Dr. Cossaboon has been practicing audiology since 2000 and has been with CCOAA since 2013. Dr. Cossaboon is board certified by the American Speech-Language-Hearing Association (ASHA). She obtained her Bachelors and Masters of Science from Radford University (1998, 2000) and received her Doctor of Audiology degree from Salus University School of Audiology in 2007. She is a Fellow of the American Academy of Audiology. She has also served as a Direct Connection Guest Speaker on Hearing Devices for Maryland Public Television. A resident of Chester County, Dr. Cossaboon is married and has a golden retriever. She enjoys water color painting and hiking the local trails. Her grandfather inspired her to become an audiologist. He struggled with hearing impairment from his service in World War II and improved his quality of life with hearing aids in his later years.
Ms. Eddy has been practicing audiology with CCOAA since 2010, prior to which she spent 20 years serving the hearing and audiology needs of Newark, DE. Ms. Eddy completed her Bachelor of Arts in Speech and Hearing Science at Thiel College (1988) and obtained her Master of Science in Audiology (1990) from Gallaudet University. She has been licensed in both Delaware (1991) and Pennsylvania (2010). She has been Board Certified by the American Speech and Hearing Association in Audiology since 1991. Ms. Eddy has guest lectured at LaSalle University, West Chester University, and Delaware’s Listening Conferences. She is also fluent in Sign Language. A resident of Landenberg, Ms. Eddy enjoys spending time outdoors with her husband and two young adult children.
Allergy Coordinator: Ellen Hannum, RN, BSN