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

Catherine Costa Gardyn, PMHNP-BC, ANP

Individual provider Adult Health Nurse Practitioner · NPI 1447615992

Catherine Costa Gardyn, PMHNP-BC, ANP is an Adult Health Nurse Practitioner in Cold Spring Harbor, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2015
Specialties on file
2
What do these letters mean?
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

64 Woodchuck Hollow Rd
Cold Spring Harbor, NY 11724-2435
Phone: (516) 551-7112
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 402096 (NY)
Adult Health Nurse Practitioner Taxonomy 363LA2200X · Licence 306698 (NY)

Record details

NPI number1447615992
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP-BC , ANP
Sole proprietorYes
NPI enumeratedDecember 29, 2015
Last updated in NPPESDecember 31, 2025
Certification dateDecember 31, 2025