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

James O'Brien, NP

Individual provider Nurse Practitioner · NPI 1558101964

James O'Brien, NP is a Nurse Practitioner in Boston, Massachusetts. Licensed in Massachusetts and New York. Registered with an NPI since 2024.

Licensed in
MA, NY
In the registry since
2024
Specialties on file
2
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

18 Newbury St Fl 5
Boston, MA 02116-3246
Phone: (617) 304-1965
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence RN2380433 (MA)
Nurse Practitioner Taxonomy 363L00000X · Licence F354034-01 (NY)

Record details

NPI number1558101964
Entity typeIndividual (Type 1)
GenderMale
Credentials NP
Sole proprietorNo
NPI enumeratedMay 31, 2024
Last updated in NPPESSeptember 9, 2024
Certification dateSeptember 9, 2024
Mailing address52 Pitney Ave, Spring Lake, NJ 07762-1751

Other providers in Boston