Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Katherine Marongiu Buonaiuti, CNS

Individual provider Nutritionist · NPI 1417655747

Katherine Marongiu Buonaiuti, CNS is a Nutritionist in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia and Delaware.

Licensed in
DC, DE
In the registry since
2023
Specialties on file
2
What do these letters mean?
CNS — Clinical Nurse Specialist
An advanced practice nurse specialising in a patient population or setting.

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Practice location Address checks out

2513 I St NW
Washington, DC 20037-2211
Phone: (202) 739-1760
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nutritionist (primary) Taxonomy 133N00000X · Licence NU20000023 (DC)
Nutrition Education Nutritionist Taxonomy 133NN1002X · Licence NU20000023 (DE)

Record details

NPI number1417655747
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNS
Sole proprietorYes
NPI enumeratedFebruary 16, 2023
Last updated in NPPESFebruary 16, 2023
Certification dateFebruary 16, 2023

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