Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Margaret Emily Johnston, NP

Individual provider Nurse Practitioner · NPI 1225280548

Margaret Emily Johnston, NP is a Nurse Practitioner in Altadena, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

2549 Morslay Rd
Altadena, CA 91001
Phone: (626) 794-6062
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence NP8747 (CA)

Record details

NPI number1225280548
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorYes
NPI enumeratedOctober 17, 2008
Last updated in NPPESOctober 17, 2008