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Mailing Address:
The Valley Hospital
223 N. Van Dien Avenue
Ridgewood, NJ 07450

Meet Our Team



 meet our team top photo resized
Medical Director Stephanie Zandieh, MD., MS., and Nurse Practitioner Kim Cahill RN, MSN, APN, CPNP-PC, recognize that there are many health, lifestyle and environmental factors that can hinder a child’s sleep. Dr. Zandieh and and Ms. Cahill work collaboratively with patients and their families to create sleep treatment plans that are tailored each child’s individual needs.


Stephanie Zandieh, MD, MS, Medical Director

dr. zandieh Stephanie Zandieh, MD, MS, is board-certified in sleep medicine, pediatric pulmonology, and pediatrics. Dr. Zandieh received her medical degree at Sackler School of Medicine, Tel Aviv, Israel. She completed her internship at Buffalo Women and Children’s Hospital (SUNY School of Medicine, Buffalo, NY) and residency at Jacobi Medical Center (Albert Einstein Medical College, Bronx, NY) where she continued on as Chief Resident. She completed a research fellowship at Weill Cornell Graduate School of Medical Sciences in Clinical Epidemiology and Health Services Research, after which she was an Assistant Professor of Pediatrics at Weill Cornell Medical College from 2004-2009. Then, she went on to complete two clinical fellowships in Pediatric Pulmonary and Sleep Medicine at Boston Children’s Hospital (Harvard Medical School, Boston, MA).

Dr. Zandieh’s systemic approach to treating sleep disorders includes a medical consultation, evaluation, testing/sleep monitoring, diagnosis, and a recommended treatment plan. Sleep problems often require a combination of treatment methods. By collaborating with parents, Dr. Zandieh helps patients attain the foundations of good sleep for the rest of their lives as well as treat medical problems that may co-exist.

In addition to her clinical work, Dr. Zandieh is the author of several peer-reviewed articles and book chapters in the fields of health services research, pediatric pulmonary and sleep medicine. She also has been a reviewer for several top leading medical journals and has given presentations at national and international conferences, such as the Pediatric Academic Society (PAS) National Conference and the American Thoracic Society (ATS) International Conference. Dr. Zandieh’s research broadly focuses on utilization and disparities in healthcare. Her current research interest focuses on evaluation and clinical impact of sleep disorders in children and adolescents.

Kim M. Cahill, RN, MSN, APN, CPNP-PC

Kim M. Cahill, RN, MSN, APN, CPNP-PC, received her BSN with highest honors from The College of Saint Elizabeth, her first Master’s Degree in Nursing Education from Ramapo College of New Jersey and a second Master’s Degree specializing as a Pediatric Nurse Practitioner from Rutgers University. She is licensed through the New Jersey Board of Nursing and certified as a Pediatric Nurse Practitioner through the Pediatric Nursing Certification Board (PNCB), meeting the highest national standards for the care of pediatric patients. She has been in clinical nursing practice since 1983 in various settings, including the Pediatric Emergency Department, Neonatal Intensive Care Unit, Pediatric Intensive Care Unit, and for the past 17 years in Pediatric Sleep Medicine. In 2015, Ms. Cahill presented her research on Obstructive Sleep Apnea at the American Academy of Sleep Medicine’s National Sleep Conference and has published articles on a variety of pediatric topics in nursing journals. Ms. Cahill has volunteered on pediatric medical missions in underserved areas of the world such as Jamaica and Rwanda. She is an active member of National Association of Pediatric Nurse Practitioners and the American Academy of Sleep Medicine.

As a patient and family-centered practitioner, Ms. Cahill recognizes the vital role that families play in ensuring the health and well-being of their children. She listens to and respects patient and family perspectives, choices and values as she plans and implements care. Patients and families are encouraged and supported in participating in all aspects of care and decision-making. Ms. Cahill believes that the 5 pillars of good health for children are exercise, hygiene, nutrition, safety and sleep. Moreover, she believes that the best treatment is preventative, therefore Ms. Cahill strives to provide evidence-based education regarding the importance of sleep to a child’s overall well-being. In her leisure, Ms. Cahill enjoys skiing, boating and hiking in the Adirondacks and spending time with her family.

Our staff consists of registered polysonographic technicians, respiratory therapists and business associates who are uniquely pediatric-trained and focused, assuring the highest level of care for your child. 

Your primary care physician, school nurse or other health care providers may also be involved in your child’s sleep medicine care. Our team will be in regular contact with these professionals.

sleep staff group shot 2016

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