Stephen Lajeunesse, NP

Office: Northampton & Westfield

Education & Experience

Stephanie Lajeunesse is a dedicated Nurse Practitioner at Allergy Immunology Associates of New England, serving patients in the Northampton & Westfield area.

Stephanie is an accomplished Nurse Practitioner with over nine years of advanced clinical and leadership experience, bringing a strong background in patient care, staff development, and innovative health promotion strategies.

Stephanie brings compassionate, patient-centered care with a focus on diagnosing, treating and managing allergic and immunologic conditions. She emphasizes clear patient education and collaboration in developing treatment plans.

Before joining AIANE, Stephanie served as a Director of Nursing, where she guided nursing operations and developed policies. She worked as a Wound Care Nurse Practitioner where she streamlined operations and elevated patient care quality.

Stephanie earned her Master of Nursing Practice (Family Nurse Practitioner) from Walden University and a Bachelor of Science in Nursing from American International College. She is a Massachusetts-licensed APRN and RN, BLS certified, and highly skilled in clinical care, leadership and patient education.

Stephanie is passionate about evidence-based, compassionate allergy and immunology care, partnering with patients and families to create clear, personalized treatment plans that promote long-term health and well-being.