Welcome to Mt. Airy Pediatrics, P.C.

We are an independent pediatric practice located in Mt. Airy, Pennsylvania.  For over 35 years, we have been privileged to provide excellent, compassionate and evidence-based medical care to families that come to us from all over Philadelphia and its outlying suburbs.  From preventive care to treatments of acute illnesses and the ongoing treatment of chronic conditions, at Mt. Airy Pediatrics, P.C. we strive to offer comprehensive medical treatment for children, adolescents and young adults. We provide services and treatments for newborn care, well-child visits, sick visits, school and sports physicals, immunizations, and so much more.

We are pediatricians, nurse practitioners, and staff dedicated to working together with children and families in both the city and the suburbs. We welcome persons from diverse backgrounds and do our best to provide state of the art, culturally appropriate services for them. Our physicians are certified by the American Board of Pediatrics and are fellows of the American Academy of Pediatrics. Our Nurse Practitioners hold their national certification through the Pediatric Nursing Certification Board.

We dedicate ourselves to meeting the individual needs of every child and every family, to learning what makes each child special and what each family values, and to growing along with you as a trusted part of your family’s health and happiness.

Please take a few moments to read through and explore our website to get a better feel for our practice's capabilities and services.

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Our Providers

  • Marcie E. Macolino
    MD, FAAP

    Dr. Macolino joined Mt. Airy Pediatrics at the end of her training as a resident at St. Christopher's Hospital for Children in 1996, where she also completed her internship. During her training she also did volunteer work for Habitat for Humanity, where she met her future husband. She traveled to Belize as part of a medical internship program in Central America. In 2008, she traveled with Mercy Ships to provide medical care for people in Honduras for 10 days. 

  • Susan W. Nordlof
    MSN, CRNP

    Susan has lived in the neighborhood since August 2001, when she came on board as Mt. Airy Pediatrics' first pediatric nurse practitioner. She has also enjoyed teaching PNP students at the University of Pennsylvania as a clinical faculty member and preceptor during her time here. In earlier stages of her professional life, Susan practiced as a PNP in Lancaster, PA, assisted in various children's-health-related projects in West Philadelphia while a nursing student, and served as a home visitor and drop-in group coordinator for adolescent mothers in Chicago. 

  • Kelsey Lamelza
    CRNP

    Kelsey Lamelza, PNP, joins Mt. Airy Pediatrics with a passion for delivering compassionate healthcare to children and adolescents. She holds a Bachelor of Science in Biology from Kutztown University, followed by a second-degree Bachelor of Science in Nursing (BSN) and a Master of Science in Nursing (MSN) with a focus on pediatric primary care from Jefferson University. Certified by the Pediatric Nursing Certification Board, Kelsey has gained extensive experience across various pediatric healthcare settings, including hospitals, clinics, and primary care practices. Committed to wellness promotion and illness prevention, she prioritizes building strong relationships with patients and families to foster trust and collaboration. Emphasizing holistic care, Kelsey addresses both the physical and emotional needs of her patients. In her leisure time, she enjoys family moments, spending time with her dog, Brooklyn, and indulging in reading. Kelsey is dedicated to positively impacting the lives of children, adolescents, and families at Mt. Airy Pediatrics, empowering them to lead healthy and fulfilling lives.

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