HELEN DAY NP
NPI 1225854987
Nurse Practitioner - Psychiatric/Mental Health in Cambridge, MA

Active since November 27, 2024
163 GORE ST, CAMBRIDGE, MA 02141(617) 575-5850 Get Directions Write a Review

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

About Helen Day Np NPPES

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

HELEN DAY NP (NPI 1225854987) is an individual psychiatric/mental health provider in Cambridge, Massachusetts, licensed in Massachusetts (RN10036091) and active in the NPI registry since November 2024.

NPPES Registry Identity

NPI1225854987
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameHELEN DAYCredential: NP
Location Address163 GORE STCambridge, MA 02141-1119
Mailing Address163 Gore StCambridge, MA 02141-1119 · (617) 575-5850
Sole ProprietorNo
Enumeration DateNovember 27, 2024
Last NPPES UpdateFebruary 16, 2026
NPPES CertifiedFebruary 16, 2026
NPI 1225854987 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses Licensed in MA · RN10036091 Licensed in NY · 406533
163 GORE ST, Cambridge, MA 02141

Other Providers at the Same Location NPPES 20

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

Psychiatry & Neurology (Psychiatry)
163 GORE ST, EAST CAMBRIDGE CLINIC
CAMBRIDGE, MA 02141
Registered Nurse (Ambulatory Care)
163 GORE ST
CAMBRIDGE, MA 02141
Registered Nurse
163 GORE ST
CAMBRIDGE, MA 02141
Nurse Practitioner
163 GORE ST
CAMBRIDGE, MA 02141
Occupational Therapist
163 GORE ST
CAMBRIDGE, MA 02141
Registered Nurse
163 GORE ST
CAMBRIDGE, MA 02141
Community Health Worker
163 GORE ST
CAMBRIDGE, MA 02141
Social Worker (Clinical)
163 GORE ST
CAMBRIDGE, MA 02141

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 Helen Day's NPI number?

The NPI number for Helen Day is 1225854987. It was assigned to this individual provider in the NPPES registry on November 27, 2024.

Where is Helen Day located?

Helen Day practices at 163 Gore St, Cambridge, MA 02141. The listed phone number is (617) 575-5850.

What is Helen Day's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Helen Day was last updated on February 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.