PROF. MARGARET INGRID WALLHAGEN RN, GNP, PHD
NPI 1245331222
Nurse Practitioner - Gerontology in San Francisco, CA

Active since September 25, 2006
2 KORET WAY, N631, SAN FRANCISCO, CA 94143(415) 476-4965(415) 476-8899 Get Directions Write a Review

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

About Prof. Margaret Ingrid Wallhagen Rn, Gnp, Phd NPPES

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

PROF. MARGARET INGRID WALLHAGEN RN, GNP, PHD (NPI 1245331222) is an individual gerontology provider in San Francisco, California, licensed in California (181577) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1245331222
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NamePROF. MARGARET INGRID WALLHAGENCredential: RN, GNP, PHD
Location Address2 KORET WAY, N631San Francisco, CA 94143-0610
Mailing Address8 Park TerMill Valley, CA 94941-2945 · (415) 383-3440
Fax(415) 476-8899
Sole ProprietorNo
Enumeration DateSeptember 25, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1245331222 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 CA · 181577
2 KORET WAY, San Francisco, CA 94143

Other Identifiers 1

Medicare UPINZZZ16349ZCA

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
2 KORET WAY
SAN FRANCISCO, CA 94143
Registered Nurse (Psychiatric/Mental Health, Adult)
2 KORET WAY
SAN FRANCISCO, CA 94143
Nurse Practitioner
2 KORET WAY
SAN FRANCISCO, CA 94143
Nurse Practitioner
2 KORET WAY
SAN FRANCISCO, CA 94143
Nurse Practitioner
2 KORET WAY
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
2 KORET WAY
SAN FRANCISCO, CA 94143
Nurse Practitioner (Adult Health)
2 KORET WAY
SAN FRANCISCO, CA 94143
Nurse Practitioner (Adult Health)
2 KORET WAY
SAN FRANCISCO, CA 94143

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 Wallhagen's NPI number?

The NPI number for Margaret Wallhagen is 1245331222. It was assigned to this individual provider in the NPPES registry on September 25, 2006.

Where is Margaret Wallhagen located?

Margaret Wallhagen practices at 2 Koret Way N631, San Francisco, CA 94143. The listed phone number is (415) 476-4965.

What is Margaret Wallhagen'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 Margaret Wallhagen 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.