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MRS. HEATHER MAHONEY O'SULLIVAN NP
NPI 1700939907
Nurse Practitioner - Gerontology in Waltham, MA

Active since January 19, 2007
950 WINTER ST, SUITE 3800, WALTHAM, MA 02451(781) 472-8491 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mrs. Heather Mahoney O'sullivan Np NPPES

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

MRS. HEATHER MAHONEY O'SULLIVAN NP (NPI 1700939907) is an individual gerontology provider in Waltham, Massachusetts, licensed in Massachusetts (211831) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1700939907
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameMRS. HEATHER MAHONEY O'SULLIVANCredential: NP
Location Address950 WINTER ST, SUITE 3800Waltham, MA 02451-1424
Mailing Address94 Kettle Hole RdBolton, MA 01740-1058 · (978) 779-0396 · Fax (978) 779-8203
Phone(781) 472-8491
Sole ProprietorNo
Enumeration DateJanuary 19, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1700939907 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in MA · 211831
950 WINTER ST, Waltham, MA 02451
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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.

LINDA SATKOWSKI NP
Nurse Practitioner (Gerontology)
950 WINTER ST, SUITE 3800
WALTHAM, MA 02451
Middlesex County (781) 472-8650
MRS. ROYA LEIGH CLEMENTS PA-C
Physician Assistant (Medical)
950 WINTER ST, SUITE 3800
WALTHAM, MA 02451
Middlesex County (781) 472-8630
YI ZHANG GNP
Nurse Practitioner (Gerontology)
950 WINTER ST, SUITE 3800
WALTHAM, MA 02451
Middlesex County (781) 472-8796
MRS. DENISE CHRISTINE KELLEY APRN
Nurse Practitioner (Adult Health)
950 WINTER ST, SUITE 2200/3800
WALTHAM, MA 02451
Middlesex County (781) 795-2841
MS. LEE ANN TATA NP
Nurse Practitioner (Gerontology)
950 WINTER ST
WALTHAM, MA 02451
Middlesex County (781) 472-8517
SUSAN ELIZABETH MULLANEY NP
Nurse Practitioner (Gerontology)
950 WINTER ST, SUITE 3800
WALTHAM, MA 02451
Middlesex County (781) 472-8503
KARIN R BRODEN NP
Nurse Practitioner (Adult Health)
950 WINTER ST, SUITE 3800
WALTHAM, MA 02451
Middlesex County (781) 472-8577
SARAH LYNNE FOWLER
Nurse Practitioner (Gerontology)
950 WINTER ST, SUITE 3800
WALTHAM, MA 02451
Middlesex County (781) 472-8604

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 Heather O'sullivan's NPI number?

The NPI number for Heather O'sullivan is 1700939907. It was assigned to this individual provider in the NPPES registry on January 19, 2007.

Where is Heather O'sullivan located?

Heather O'sullivan practices at 950 Winter St Suite 3800, Waltham, MA 02451. The listed phone number is (781) 472-8491.

What is Heather O'sullivan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

When was this NPI record last updated?

The NPPES record for Heather O'sullivan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.