NPPES file of Aug 9, 2026

Zachary James O'Nell

Family Nurse Practitioner · Murrieta, CA

Zachary James O'Nell is a family nurse practitioner with a practice address in Murrieta, California, and NPI 1972488872, issued on Aug 8, 2025. Check the license (California 95036533, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1972488872
Name
Zachary James O'Nell
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
95036533 CA
Self-reported in NPPES; status is on the state search
Practice location
41880 Kalmia St, Murrieta, CA 92562
Phone
(951) 696-7587
Enumerated
Aug 8, 2025
Record last updated
Aug 8, 2025
Medicare enrollment
Enrolled (PECOS I20251027002877); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →

Also registered at 41880 Kalmia St

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

  1. Fidelino Amargo, PA-CPhysician Assistant1477867893
  2. Todd Donohoe, D.C., D.I.C.C.P.Chiropractor1659375566
  3. Veronica Ibarra, LICENSEDMarriage & Family Therapist1205311537
  4. Donald Kimes, D.O.Internal Medicine Physician1538181086
  5. Maurice LemarieEmergency Medicine Physician1013394477
  6. Marilen Loo, NP-BCFamily Nurse Practitioner1891165155

Verify Zachary James O'Nell 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 95036533    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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Bills Medicare through one group practice

  1. Southern California Urgent Care NetworkMurrieta, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Zachary James O'Nell among 16,966 family nurse practitioner records in California

Zachary James O'Nell is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 90% of them.

  • NPI issued2025 · 90% of these records are older, 3% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2025 · median 2019 among the 6,793 with a school on file
  • Record last updated2025 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

100 family nurse practitioner records list a practice address in Murrieta

They are 100 of the 2,999 NPPES records with a practice address in Murrieta, and 16,966 family nurse practitioner records in California.

All 16,966 in California → Every provider in Murrieta → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Liza Alvarado, NPMurrieta, CA 925621124403993
  2. Meldy Avila, NPMurrieta, CA 925621760623854
  3. Gracious Basa, FNPMurrieta, CA 925621649555939
  4. Mona Breid, NP-CMurrieta, CA 925621205104726
  5. Maureen Eghreriniovo, NURSE PRACTITIONERMurrieta, CA 925621770765547
  6. Laurieann Gilbert, FNPMurrieta, CA 925621629461744
  7. Fatimah Harvey, FNPMurrieta, CA 925621053727982
  8. Nicole Houle, NP-C, RNFAMurrieta, CA 925621790873230

Common questions

What is Zachary James O'Nell's NPI number?

Zachary James O'Nell's National Provider Identifier (NPI) is 1972488872, issued on Aug 8, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Zachary James O'Nell located?

The NPPES record lists a practice address at 41880 Kalmia St, Murrieta, CA, 92562. Phone: (951) 696-7587. Providers update this record themselves, so call before visiting.

How can I verify Zachary James O'Nell's license?

NPPES lists California license number 95036533, 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. Medicare files from data.cms.gov. 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.