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

Individual provider Registered Nurse · NPI 1053840546

Katherine Wargo Gruskay, PNP is a Registered Nurse in Branford, Connecticut. Practices as a sole proprietor and works from 2 locations. Licensed in Connecticut and New York.

Licensed in
CT, NY
In the registry since
2017
Specialties on file
4
What do these letters mean?
PNP — Pediatric Nurse Practitioner
A nurse practitioner specialising in children.

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Practice location Address checks out

682 E Main St
Branford, CT 06405-2907
Phone: (203) 481-5591
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2265 3rd Ave, New York, NY 10035-2231 — (860) 304-3202

Specialties & licences

Pediatric Nurse Practitioner (primary) Taxonomy 363LP0200X · Licence 9928 (CT)
Registered Nurse Taxonomy 163W00000X · Licence 10.129329 (CT)
Registered Nurse Taxonomy 163W00000X · Licence 71152 (NY)
Pediatric Nurse Practitioner Taxonomy 363LP0200X · Licence 382784 (NY)

Record details

NPI number1053840546
Entity typeIndividual (Type 1)
GenderFemale
Credentials PNP
Sole proprietorYes
NPI enumeratedJune 8, 2017
Last updated in NPPESNovember 22, 2022
Certification dateNovember 22, 2022

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