MARGARET EMILY JOHNSTON NP
NPI 1225280548
Nurse Practitioner in Altadena, CA

Q: What is Margaret Johnston's NPI number?

The NPI number for Margaret Johnston is 1225280548. It was assigned to this individual provider in the NPPES registry on October 17, 2008.

Q: What is Margaret Johnston's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Margaret Johnston was last updated on October 17, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since October 17, 2008

2549 MORSLAY RD., ALTADENA, CA 91001(626) 794-6062 Get Directions Write a Review

NPPES record last updated: October 17, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Margaret Emily Johnston Np NPPES

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

MARGARET EMILY JOHNSTON NP (NPI 1225280548) is an individual nurse practitioner in Altadena, California, licensed in California (NP8747) and active in the NPI registry since October 2008.

NPPES Registry Identity

NPI1225280548

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMARGARET EMILY JOHNSTONCredential: NP

Location Address2549 MORSLAY RD.Altadena, CA 91001

Mailing Address2549 Morslay Rd.Altadena, CA 91001 · (626) 794-6062

Phone(626) 794-6062

Sole ProprietorYes

Enumeration DateOctober 17, 2008

✔ NPI 1225280548 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in CA · NP8747

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

2549 MORSLAY RD., Altadena, CA 91001

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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 Johnston's NPI number?

The NPI number for Margaret Johnston is 1225280548. It was assigned to this individual provider in the NPPES registry on October 17, 2008.

Where is Margaret Johnston located?

Margaret Johnston practices at 2549 Morslay Rd., Altadena, CA 91001. The listed phone number is (626) 794-6062.

What is Margaret Johnston's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Margaret Johnston was last updated on October 17, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.