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

Ruth Liliana Castillo de Guzman, RN

Individual provider Registered Nurse · NPI 1174763734

Ruth Liliana Castillo de Guzman, RN is a Registered Nurse in Port Jefferson, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2009
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

37 Pinnacle Dr
Port Jefferson, NY 11777-2085
Phone: (631) 828-1150
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence 609715 (NY)

Record details

NPI number1174763734
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorYes
NPI enumeratedFebruary 23, 2009
Last updated in NPPESFebruary 23, 2009

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