Martha Macmaster, N.P.
NPI 1942508841 · Obstetrics & Gynecology Nurse Practitioner · San Fernando, CA
Martha Macmaster, N.P. is a Obstetrics & Gynecology Nurse Practitioner provider in San Fernando, CA (NPI 1942508841).
Provider details
- NPI number
- 1942508841
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 218787 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-03-02
- Last updated
- 2011-03-02
Frequently asked questions
- What is Martha Macmaster's NPI number?
- Martha Macmaster's National Provider Identifier (NPI) is 1942508841, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Macmaster's specialty?
- Martha Macmaster is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Martha Macmaster located?
- Martha Macmaster's practice location on file with NPPES is 1600 San Fernando Rd, San Fernando, CA 91340-3115.
- What is Martha Macmaster's phone number?
- The practice phone number listed in the NPPES registry for Martha Macmaster is (818) 365-8086.
- Is Martha Macmaster's NPI active?
- Yes — Martha Macmaster's NPI (1942508841) is active in the NPPES registry as of the last update on 2011-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.