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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MADELEINE G ST.DENIS NP
NPI 1073580544
Nurse Practitioner - Pediatrics in Boston, MA

Active since March 03, 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: July 26, 2026.

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

About Madeleine G St.denis Np NPPES

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

MADELEINE G ST.DENIS NP (NPI 1073580544) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (122044) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1073580544
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameMADELEINE G ST.DENISCredential: NP
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 DateMarch 3, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1073580544 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in MA · 122044
Also ListedNurse PractitionerTaxonomy 363L00000X · License 122044 (MA)
133 BROOKLINE AVE, Boston, MA 02215
Open in Google Maps ↗

Other Identifiers 3

Medicaid0358011MA
OtherNP9993MA · Blue Cross
OtherPN233MA · Harvard Pilgrim

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 Madeleine St.denis's NPI number?

The NPI number for Madeleine St.denis is 1073580544. It was assigned to this individual provider in the NPPES registry on March 3, 2006.

Where is Madeleine St.denis located?

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

What is Madeleine St.denis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

When was this NPI record last updated?

The NPPES record for Madeleine St.denis was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.