Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

ESTHER RUTH NGIGI MSN, RN, FNP-BC
NPI 1861312555
Nurse Practitioner - Family in North Chelmsford, MA

Active since July 21, 2026
PO BOX 468, NORTH CHELMSFORD, MA 01863(978) 996-0901 Get Directions Write a Review

NPPES record added: July 21, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Esther Ruth Ngigi Msn, Rn, Fnp-bc NPPES

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

ESTHER RUTH NGIGI MSN, RN, FNP-BC (NPI 1861312555) is an individual family provider in North Chelmsford, Massachusetts, licensed in Massachusetts (RN2260562) and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1861312555
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameESTHER RUTH NGIGICredential: MSN, RN, FNP-BC
Location AddressPO BOX 468North Chelmsford, MA 01863-0468
Mailing AddressPo Box 468North Chelmsford, MA 01863-0468
Sole ProprietorNo
Enumeration DateJuly 21, 2026
NPPES CertifiedJuly 21, 2026
NPI 1861312555 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in MA · RN2260562
PO BOX 468, North Chelmsford, MA 01863

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 Esther Ngigi's NPI number?

The NPI number for Esther Ngigi is 1861312555. It was assigned to this individual provider in the NPPES registry on July 21, 2026.

Where is Esther Ngigi located?

Esther Ngigi practices at PO Box 468, North Chelmsford, MA 01863. The listed phone number is (978) 996-0901.

What is Esther Ngigi's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for Esther Ngigi was last updated on July 21, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.