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

MS. Mary Grace Obrien, NP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1780910349

MS. Mary Grace Obrien, NP is a Psychiatric/Mental Health Nurse Practitioner in Jefferson Valley, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2009
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

3651 Hill Blvd
Jefferson Valley, NY 10535-1501
Phone: (914) 384-2075
Fax: (914) 243-5895
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 F400751 (NY)

Record details

NPI number1780910349
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorYes
NPI enumeratedNovember 2, 2009
Last updated in NPPESNovember 2, 2009