Our staff

You have a choice of doctors, and you make that choice based on a number of factors. Above all, you want a doctor who is experienced, understanding, available, and attentive to your medical needs. And that doctor needs to be supported by a responsive and caring staff that will keep you informed about all aspects of your care.

That’s why personalized, quality care in a supportive environment is our goal, and my staff and I work as a team everyday to reach that goal.


Ike Iheagwara, Sc. D., CCC-A, FAAA

Dr. Iheagwara is an experienced audiologist whose practice focuses on hearing evaluation, hearing aid selection, and professional audio and music consulting. He is committed to patients needs and to providing high level, individualized, quality care.

A New York native, Dr. Iheagwara received a Bachelor of Science in Speech Language Pathology and Audiology from Northeastern University. During that time he worked with musicians at the university clinic and provided them with solutions to their hearing issues, and gained experience using custom in-ear monitors and ear molds (ear plugs). He earned a Doctorate in Audiology from Montclair State University. While working on his graduate degree, he participated in practicum-training programs at the Montclair State University Clinic, St. Joseph's Regional Medical Center, AudioHelp Hearing Centers, and Atlantic Health: Overlook Hospital. His extensive practicum training gave Dr. Iheagwara the opportunity to further hone his skills, while gaining key experience working with patients to understand their individual needs and resolve their hearing concerns.

Candice Sebastian

Your first point of contact in our office will be Candice Sebastian, our office manager. She has worked for Dr. Nass for many years and has more than 15 years experience in the health-care industry. Like Dr. Nass, she believes that you don’t just treat the illness you treat the patient. In addition to her expertise in medical-office administration, Ms. Sebastian is clinically trained and experienced as a surgical coordinator.

Vanessa Seidell, PA

Vanessa Seidell, our Physicians Assistant (PA) obtained her Master’s degree in Physician Assistant Studies from Le Moyne College and holds a Bachelor of Science degree in Medical Technology from the University of Connecticut. She holds certifications from the New York State Society of Physician Assistants, the American Academy of Physician Assistants, and from the American Academy of Physician Assistants in allergy, asthma, and immunology.

Prior to working with Dr. Nass Ms Seidell worked in internal medicine and ambulatory surgery, and in the field of allergy and asthma since 2015. She’s available for routine asthma and allergy care, urgent visits, and patient education. She can help you and your family understand your allergy and asthma diagnosis and assist in setting treatment goals to make living with these conditions as manageable as possible.