Meet the Center for Hearing and Balance Team

Maura K. Cosetti, MD is the Director of the Cochlear Implant Program at the Mount Sinai Health System. She is board certified in Otolaryngology-Head and Neck Surgery with additional qualification and board certification in Neurotology. Dr. Cosetti completed accredited fellowship training in Neurotology/Skull Base Surgery at New York University. She has authored more than 50 articles and chapters and has presented at various national and international specialty meetings.

Dr. Cosetti’s clinical interests and expertise include pediatric and adult hearing disorders, cochlear implantation, exclusively endoscopic ear surgery, skull base surgery, facial nerve disorders, chronic ear disease, otosclerosis, vestibular and balance disorders, and Neurofibromatosis Type II.

Enrique R. Perez, MD is the Director of Otology at The Mount Sinai Hospital. Fluent in English and Spanish, he completed his accredited fellowship training in Neurotology-Skull Base Surgery at the University of Miami Ear Institute.

His clinical interests and expertise include the medical and surgical management of adult and pediatric hearing disorders; cochlear implantation; endoscopic middle ear surgery for chronic otitis and tympanic membrane perforations; otosclerosis; vestibular and balance disorders; facial nerve disorders; benign and malignant tumors of the lateral skull base; Neurofibromatosis Type II; and repairs of cerebrospinal fluid (CSF) otorrhea and temporal bone encephalocele. Additionally, he has co-authored numerous textbook chapters and published manuscripts in peer-reviewed journals in otolaryngology, neurotology and neurosurgery.

Jillian Friedman, AuD, CCC-A is a clinical audiologist at the Hearing and Balance Center. She received her Doctor of Audiology (AuD) degree from the Graduate Center of the City University of New York and obtained her Bachelor of Science degree in Communication Sciences and Disorders at the Pennsylvania State University. Dr. Friedman joined the Center for Hearing and Balance after completing her audiology residency at Mount Sinai in 2016. She completed her doctoral thesis on long-term speech outcomes of auditory brainstem implantation in adults with postlingual deafness. Her clinical expertise includes the diagnosis of hearing loss in adults and pediatrics, audiologic rehabilitation including management of amplification and cochlear implants for the adult population, electrophysiology, and vestibular testing. Dr. Friedman is licensed in Audiology through the New York State Department of Education and holds the Certificate of Clinical Competence in Audiology (CCC-A) from the American Speech Language Hearing Association (ASHA).

Bess Nagler, Au.D. CCC-A is a senior audiologist at the Hearing and Balance Center. She received her Doctor of Audiology (Au.D.) degree from the Graduate Center of the City University of New York and obtained her Bachelor of Arts degree in Hearing and Speech Sciences at the University of Maryland, College Park. Prior to joining the Mount Sinai Faculty Practice Associates in 2013, Dr. Nagler completed her audiology residency at Weill Cornell Medical College. She completed her doctoral thesis on music perception in users of cochlear implants. Clinical expertise includes the diagnosis of hearing loss in adults and pediatrics, amplification, electrophysiology, vestibular testing, and management of tinnitus. Dr. Nagler is licensed in Audiology through the New York State Department of Education and holds the Certificate of Clinical Competence in Audiology (CCC-A) from the American Speech Language Hearing Association (ASHA).

Iris Wertheimer, AuD, received her Doctor of Audiology (AuD) degree from the Graduate Center of the City University of New York and her Bachelor of Arts degree in Hearing and Speech Sciences from the University of Maryland, College Park. She completed her residency at The New York Eye and Ear Infirmary and joined the Mount Sinai Faculty Practice Associates in 2018. Clinical expertise includes the diagnosis of hearing loss in adults and pediatrics, vestibular testing, and amplification.