NPPES file of Aug 9, 2026

Martha Ann Macmaster, N.P.

Obstetrics & Gynecology Nurse Practitioner · San Fernando, CA

Martha Ann Macmaster, N.P. is an obstetrics & gynecology nurse practitioner with a practice address in San Fernando, California, and NPI 1942508841, issued on Mar 2, 2011. Check the license (California 218787, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942508841
Name
Martha Ann Macmaster
Credential
N.P.
Primary taxonomy
Obstetrics & Gynecology Nurse Practitioner 363LX0001X
License number
218787 CA
Self-reported in NPPES; status is on the state search
Practice location
1600 San Fernando RD, San Fernando, CA 91340
Phone
(818) 365-8086
Enumerated
Mar 2, 2011
Record last updated
Mar 2, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(818) 898-4826
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest obstetrics & gynecology nurse practitioner records → All 394 in California → Look up another NPI →

Also registered at 1600 San Fernando RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lara Abbott, M.D.Pediatrics Physician1053312868
  2. Monica Asnani, M.D.Pediatrics Physician1457352262
  3. Aqeela Athar, RDHDental Hygienist1104229616
  4. Georgina Bachoura, MSN, APRN, FNPFamily Nurse Practitioner1760746242
  5. Allison Campos, M.D.Family Medicine Physician1619232568
  6. Evelyn Carranza, LCSWClinical Social Worker1821370180

Verify Martha Ann Macmaster in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 218787    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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Martha Ann Macmaster among 394 obstetrics & gynecology nurse practitioner records in California

Martha Ann Macmaster, N.P. is one of 394 obstetrics & gynecology nurse practitioner records with a practice address in California. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2011, is newer than 73% of them.

  • NPI issued2011 · 73% of these records are older, 24% newer
  • In a Medicare fileNo · 38% of these records are
  • In the CMS Doctors and Clinicians fileNo · 14% of these records are
  • Record last updated2011 · 72% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LX0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Nurse Practitioner providers in California

There are 394 obstetrics & gynecology nurse practitioner records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 394 in California → Every provider in San Fernando → Obstetrics & Gynecology Nurse Practitioner nationwide →

The 8 obstetrics & gynecology nurse practitioner records with the nearest ZIP codes

  1. Elissa Einhorn, RN.C NPSan Fernando, CA 913401376544197
  2. Darlene Sanchez, NPSan Fernando, CA 913401306969464
  3. Aura Veliz, RNPSan Fernando, CA 913401235276940
  4. Latisha Stewart Smith, NURSE PRACTTIONERSylmar, CA 913421245373109
  5. Carol Ashe, ARNPMission Hills, CA 913451720082654
  6. Jennifer Decker, NP.Mission Hills, CA 913451730116989
  7. Mary Manuel, N.P.Mission Hills, CA 913451851388599
  8. Latonya Burnell, N.P.Pacoima, CA 913311124029947

Common questions

What is Martha Ann Macmaster, N.P.'s NPI number?

Martha Ann Macmaster, N.P.'s National Provider Identifier (NPI) is 1942508841, issued on Mar 2, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Martha Ann Macmaster, N.P. located?

The NPPES record lists a practice address at 1600 San Fernando RD, San Fernando, CA, 91340. Phone: (818) 365-8086. Providers update this record themselves, so call before visiting.

How can I verify Martha Ann Macmaster, N.P.'s license?

NPPES lists California license number 218787, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.