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

Melissa O'Brien, NP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1629485578

Melissa O'Brien, NP is a Psychiatric/Mental Health Nurse Practitioner in New York, New York. Licensed in New York. Registered with an NPI since 2014.

Licensed in
NY
In the registry since
2014
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

200 Varick St 9th Fl
New York, NY 10014-4810
Phone: (212) 620-0340
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 401922 (NY)

Record details

NPI number1629485578
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedJuly 11, 2014
Last updated in NPPESAugust 25, 2015

Other providers in New York