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

Ita O'Sullivan, NP

Individual provider Psychiatric/Mental Health Registered Nurse · NPI 1063505220

Ita O'Sullivan, NP is a Psychiatric/Mental Health Registered Nurse in Rye, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

16 School St Ste C
Rye, NY 10580-3090
Phone: (646) 234-5502
Fax: (914) 939-0970
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Registered Nurse (primary) Taxonomy 163WP0808X · Licence F400205 (NY)

Record details

NPI number1063505220
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorYes
NPI enumeratedOctober 2, 2006
Last updated in NPPESNovember 24, 2025
Certification dateNovember 24, 2025