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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HELENA DIMITRIOU PA
NPI 1962466177
Physician Assistant - Medical in Boston, MA

Active since April 14, 2006
133 BROOKLINE AVE, BOSTON, MA 02215(617) 421-1000(617) 421-6084 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Helena Dimitriou Pa NPPES

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

HELENA DIMITRIOU PA (NPI 1962466177) is an individual medical provider in Boston, Massachusetts, licensed in Massachusetts (1917) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1962466177
Entity TypeIndividualFemale
Primary Taxonomy363AM0700X
Provider Legal NameHELENA DIMITRIOUCredential: PA
Location Address133 BROOKLINE AVEBoston, MA 02215-3904
Mailing Address147 Milk St, Provider Enrollment - 9th FloorBoston, MA 02109-4806 · (617) 559-8053 · Fax (617) 421-3487
Phone(617) 421-1000
Fax(617) 421-6084
Sole ProprietorNo
Enumeration DateApril 14, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1962466177 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License✔ Licensed in MA · 1917
Also ListedPhysician AssistantTaxonomy 363A00000X · License 1917 (MA)
133 BROOKLINE AVE, Boston, MA 02215
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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.

MRS. MELISSA ASHLEY ZIOGAS APRN-FNP
Nurse Practitioner (Family)
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 421-1000
SHIVAUN ELAINE PIKE NP
Nurse Practitioner (Adult Health)
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 421-1000
HARRIET SCHEFT M.D.
Psychiatry & Neurology (Psychiatry)
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 421-2040
CAROL J ZUCKERMAN M.D.
Internal Medicine
133 BROOKLINE AVE, INTERNAL MEDICINE
BOSTON, MA 02215
Suffolk County (617) 421-5804
HARVARD VANGUARD MEDICAL ASSOCIATES
Social Worker
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 421-1000
DIANE L. GILWORTH NP
Registered Nurse
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 421-6050
MARGARET SIDOR PHD, CGC
Genetic Counselor, MS
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 421-1035
NED WILSON MORSE
Technician/Technologist (Optician)
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (174) 211-1496

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 Helena Dimitriou's NPI number?

The NPI number for Helena Dimitriou is 1962466177. It was assigned to this individual provider in the NPPES registry on April 14, 2006.

Where is Helena Dimitriou located?

Helena Dimitriou practices at 133 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 421-1000.

What is Helena Dimitriou's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

When was this NPI record last updated?

The NPPES record for Helena Dimitriou was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.