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The team of allergy experts at the Pediatric Allergy Program, part of Hassenfeld Children’s Hospital at ºÚÁϸ£ÀûÉç Langone, partners with you and your child to help manage all aspects of allergy diagnosis and treatment.

Our Care Team

In addition to our doctors, our team also includes a child life specialist, pediatric nurse practitioner, registered dietitians, and registered nurses.

Joseline Cruz Vasquez, MPH

Ms. Cruz Vasquez received her master’s degree in public health from Columbia University Mailman School of Public Health and a bachelor’s degree in biology from Binghamton University. As a research coordinator, she helps with recruitment efforts, study start-up activities, and general study management.

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Nancy J. De Guzman, CPNP

Ms. De Guzman completed her undergraduate degree at University of California, Los Angeles, and received her master of science degree at Columbia University School of Nursing. She has a background in pediatric critical care, as both a nurse and as a pediatric nurse practitioner. Now working as part of the Pediatric Allergy and Immunology team, she appreciates being able to care for children throughout their childhood, helping improve their quality of life.

Bethany Hanusch, BSN, RN

Ms. Hanusch received her bachelor’s degree in nursing from SUNY Delhi and has a background in clinical research. She is passionate about working with children and hopes to contribute towards new interventions related to allergies.

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Bella Herold, RD

Ms. Herold is a registered dietitian who supports children and their families in meeting nutrition goals while navigating food allergies. She received her master's degree in public health from the University of Michigan and her bachelor's degree in animal science from Cornell University.

Eileen Hoyes, BSN, RN, MSN

Ms. Hoyes, a registered nurse, oversees patient skin prick testing and intradermal testing at the Pediatric Allergy Program, where she has been a member of the care team since 2019.

Pamela Lin, BSN, RNC-NIC

Ms. Lin received her bachelor’s degree in nursing from ºÚÁϸ£ÀûÉç and has a background in neonatal and pediatric critical care. She’s seen how tough it can be for children and families navigating life with food allergies. Working closely with Child Life Specialists and the Pediatric Allergy Care Team, she’s committed to making visits a positive experience. She plans on learning magic.

Morgan Mittler, RN

Ms. Mittler received her bachelor's degree in nursing from Binghamton University and has experience as a pediatric critical care nurse at ºÚÁϸ£ÀûÉç. She is dedicated to supporting children and their families in managing health-related challenges. With a focus on compassionate care, she strives to ensure the best possible patient outcomes.

Miriam Segal, RN

Ms. Segal received her bachelor’s degree in nursing from ºÚÁϸ£ÀûÉç, and has a background in pediatric allergy. She enjoys caring for children with various conditions and helping the patient and family feel comfortable during their visit.

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