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

Martha Ann Macmaster, NP

Individual provider Obstetrics & Gynecology Nurse Practitioner · NPI 1942508841

Martha Ann Macmaster, NP is an Obstetrics & Gynecology Nurse Practitioner in San Fernando, California. Licensed in California. Registered with an NPI since 2011.

Licensed in
CA
In the registry since
2011
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

1600 San Fernando Rd
San Fernando, CA 91340-3115
Phone: (818) 365-8086
Fax: (818) 898-4826
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Nurse Practitioner (primary) Taxonomy 363LX0001X · Licence 218787 (CA)

Record details

NPI number1942508841
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedMarch 2, 2011
Last updated in NPPESMarch 2, 2011
Mailing address65 N Allen Ave, Pasadena, CA 91106-2227

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