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

MARGARET M FILLINGER CRNP
NPI 1811989031
Nurse Practitioner - Obstetrics & Gynecology in Willow Grove, PA

Active since August 16, 2005
15 YORK RD, WILLOW GROVE, PA 19090(215) 657-6465(215) 657-4887 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Margaret M Fillinger Crnp NPPES

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

MARGARET M FILLINGER CRNP (NPI 1811989031) is an individual obstetrics & gynecology provider in Willow Grove, Pennsylvania, licensed in Pennsylvania (TP001374G) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1811989031
Entity TypeIndividualFemale
Primary Taxonomy363LX0001X
Provider Legal NameMARGARET M FILLINGERCredential: CRNP
Location Address15 YORK RDWillow Grove, PA 19090-3421
Mailing Address15 York RdWillow Grove, PA 19090-3421 · (215) 657-6465 · Fax (215) 657-4887
Fax(215) 657-4887
Sole ProprietorNo
Enumeration DateAugust 16, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1811989031 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Obstetrics & GynecologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LX0001X
License Licensed in PA · TP001374G
15 YORK RD, Willow Grove, PA 19090

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 Margaret Fillinger's NPI number?

The NPI number for Margaret Fillinger is 1811989031. It was assigned to this individual provider in the NPPES registry on August 16, 2005.

Where is Margaret Fillinger located?

Margaret Fillinger practices at 15 York Rd, Willow Grove, PA 19090. The listed phone number is (215) 657-6465.

What is Margaret Fillinger's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Obstetrics & Gynecology, with taxonomy code 363LX0001X.

When was this NPI record last updated?

The NPPES record for Margaret Fillinger 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 52 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.