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JOY O'BRIEN
NPI 1689531386
Internal Medicine in Chestnut Hill, MA

Active since January 06, 2026
25 BOYLSTON ST STE 302, CHESTNUT HILL, MA 02467(617) 916-0895(617) 916-0937 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Joy O'brien NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOY O'BRIEN (NPI 1689531386) is an individual internal medicine provider in Chestnut Hill, Massachusetts, licensed in Massachusetts (RN213177) and active in the NPI registry since January 2026.

NPPES Registry Identity

NPI1689531386
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameJOY O'BRIEN
Location Address25 BOYLSTON ST STE 302Chestnut Hill, MA 02467-1710
Mailing Address25 Boylston St Ste 302Chestnut Hill, MA 02467-1710 · (617) 916-0895 · Fax (617) 916-0937
Phone(617) 916-0895
Fax(617) 916-0937
Sole ProprietorYes
Enumeration DateJanuary 6, 2026
NPPES CertifiedJanuary 6, 2026
✔ NPI 1689531386 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · RN213177
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
25 BOYLSTON ST STE 302, Chestnut Hill, MA 02467
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LAURA TRUBIANO
Registered Nurse
25 BOYLSTON ST STE 302
CHESTNUT HILL, MA 02467
Norfolk County (617) 916-0895

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joy O'brien's NPI number?

The NPI number for Joy O'brien is 1689531386. It was assigned to this individual provider in the NPPES registry on January 6, 2026.

Where is Joy O'brien located?

Joy O'brien practices at 25 Boylston St Ste 302, Chestnut Hill, MA 02467. The listed phone number is (617) 916-0895.

What is Joy O'brien's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Joy O'brien was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.