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Margaret Formoso, FNP
Margaret Formoso, FNP-C is a board-certified family nurse practitioner at Capitol Breathe Free Sinus & Allergy Centers in Washington, D.C. She provides patient-centered care for sinus, allergy, and general ear, nose, and throat conditions, with a focus on education and collaborative treatment planning.
Professional Background
Margaret earned her Bachelor’s degree in Human Science from Georgetown University in 2014, followed by a Master’s in Nursing with a concentration in Clinical Nurse Leadership (CNL). After graduation, she worked for nearly five years in the pediatric intensive care unit (PICU) at Children’s National Hospital.
During this time, she returned to Georgetown University to pursue her Family Nurse Practitioner (FNP) degree, which she completed in May 2023. While at Georgetown, she was inducted into Sigma Theta Tau International Honor Society of Nursing and named an Area Health Education Center (AHEC) Scholar, focusing her training on underserved patient populations and clinical settings in Washington, D.C.
Philosophy of Care
Margaret takes a patient-first approach that emphasizes trust, collaboration, and clear communication. She is passionate about teaching and providing quality education, ensuring her patients have the knowledge and understanding they need to make informed decisions about their care. This commitment to education is a philosophy she brings to her role at Capitol Breathe Free, where she develops treatment plans tailored to each patient’s needs. Whenever possible, she recommends conservative and minimally invasive options that support comfort, faster recovery, and long-term wellness.
Conditions Treated & Procedures
Margaret diagnoses and manages a broad spectrum of sinus, allergy, and ENT conditions. Her care is centered on accurate assessment and treatments designed to meet each patient’s specific needs.
- Chronic sinusitis and recurrent sinus infections
- Sinus care in Washington, D.C.
- Nasal obstruction and deviated septum
- Seasonal and environmental allergies
- Ear infections and hearing disorders
- Tinnitus evaluation and management
- Sore throat, tonsil, and adenoid conditions
- Voice and swallowing disorders
- Preventive ENT and allergy care in Washington, D.C.
Personal Note
Born and raised in Miami, Florida, in a Cuban household, Margaret was inspired to pursue medicine by her father, an internal medicine physician. She now lives in Washington, D.C. with her husband and corgi, Waffles. Outside of work, she enjoys tutoring nursing students, reading, traveling, baking, and exploring new cuisines and wines.