NPPES file of Aug 9, 2026

Rebecca Lynne Macisaac, NURSE PRACTITIONER

Nurse Practitioner · Livermore, CA

Rebecca Lynne Macisaac, NURSE PRACTITIONER is a nurse practitioner with a practice address in Livermore, California, and NPI 1205018744, issued on Nov 27, 2007. Check the license (California 95004504, 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
1205018744
Name
Rebecca Lynne Macisaac
Credential
NURSE PRACTITIONER
Primary taxonomy
Nurse Practitioner 363L00000X
License number
95004504 CA
Self-reported in NPPES; status is on the state search
Practice location
7000 East Ave, Livermore, CA 94550
Phone
(925) 422-8920
Enumerated
Nov 27, 2007
Record last updated
Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
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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Also registered at 7000 East Ave

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

  1. Kelsey BecerraOccupational Health Registered Nurse1427651629
  2. Pedro Estacio, MDSpecialist1710256250
  3. Martha Greist-Joel, R.N.Occupational Health Registered Nurse1336589720
  4. Alexus Henderson, RNRegistered Nurse1801487624
  5. Patrick Keller, MDOccupational Medicine Physician1013972520
  6. Trymica Provost, RNRegistered Nurse1093318156

Verify Rebecca Lynne Macisaac 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 95004504    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 8,223 in California → Every provider in Livermore →

Other nurse practitioner records in California

  1. Barbara Aaronson, RN/NURSE PRACTITONERLos Angeles, CA1588988182
  2. Albert Aba, AGNPSan Francisco, CA1578353777
  3. Martha Ababneh, CNAEl Monte, CA1275118614
  4. Maria Katrina Abad, AGPCNP-BCSan Carlos, CA1306394952
  5. Shayda Abadi, NPPalo Alto, CA1316745540
  6. Jessika Abarca, NPSan Fernando, CA1972263945
  7. Hangama Abassi, N.P.Walnut Creek, CA1487083655
  8. Elizabeth Abaunza, NPSan Francisco, CA1962044347
  9. Honeylynn Abaya, NPMoreno Valley, CA1528799145
  10. Tara Abbondanza, NPArcadia, CA1730355173

Common questions

What is Rebecca Lynne Macisaac, NURSE PRACTITIONER's NPI number?

Rebecca Lynne Macisaac, NURSE PRACTITIONER's National Provider Identifier (NPI) is 1205018744, issued on Nov 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Rebecca Lynne Macisaac, NURSE PRACTITIONER located?

The NPPES record lists a practice address at 7000 East Ave, Livermore, CA, 94550. Phone: (925) 422-8920. Providers update this record themselves, so call before visiting.

How can I verify Rebecca Lynne Macisaac, NURSE PRACTITIONER's license?

NPPES lists California license number 95004504, 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.