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

Katherine Longo, FNP

Individual provider Family Nurse Practitioner · NPI 1912522822

Katherine Longo, FNP is a Family Nurse Practitioner in Boston, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2020
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

147 Milk St
Boston, MA 02109-4806
Phone: (339) 223-1370
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence RN2309167 (MA)

Record details

NPI number1912522822
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorYes
NPI enumeratedJune 16, 2020
Last updated in NPPESOctober 13, 2021
Certification dateOctober 13, 2021

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