NPPES file of Aug 9, 2026

Helene Barbara Zonder, N.P.

Nurse Practitioner · Duarte, CA

Helene Barbara Zonder, N.P. is a nurse practitioner with a practice address in Duarte, California, and NPI 1942529706, issued on May 19, 2010. Check the license (California 294186, 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
1942529706
Name
Helene Barbara Zonder
Credential
N.P.
Primary taxonomy
Nurse Practitioner 363L00000X
License number
294186 CA
Self-reported in NPPES; status is on the state search
Practice location
1500 E. Duarte Road, Duarte, CA 91010
Phone
(626) 256-4673
Enumerated
May 19, 2010
Record last updated
May 19, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(626) 471-9311
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.
Download card Updates feed

8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →

Also registered at 1500 E. Duarte Road

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

  1. Alice Ahn, NPGerontology Nurse Practitioner1790151405
  2. Arya Amini, M.D.Radiation Oncology Physician1487910774
  3. Javier Arias-Stella, M.D.Anatomic Pathology & Clinical Pathology Physician1427469758
  4. Cornelia Banciu-Odell, MDHospitalist Physician1487620829
  5. Elizabeth Bautista, NURSE PRACTITIONERFamily Nurse Practitioner1609172303
  6. Heather Bitar, D.O.Hospice and Palliative Medicine (Internal Medicine) Physician1326453663

Verify Helene Barbara Zonder 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 294186    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Helene Barbara Zonder among 8,223 nurse practitioner records in California

Helene Barbara Zonder, N.P. is one of 8,223 nurse practitioner records with a practice address in California. 65% 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 2010, is newer than 32% of them.

  • NPI issued2010 · 32% of these records are older, 66% newer
  • In a Medicare fileNo · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 42% of these records are
  • Record last updated2010 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

25 nurse practitioner records list a practice address in Duarte

They are 25 of the 1,287 NPPES records with a practice address in Duarte, and 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 Duarte → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Jennifer Aquino-Bautista, FNPDuarte, CA 910101932529047
  2. Laura Bourdeanu, NPDuarte, CA 910101528182508
  3. Erica Chin, RN, NP, MSDuarte, CA 910101013140219
  4. Carrie Christiansen, NURSE PRACTITIONERDuarte, CA 910101245342336
  5. Cynthia Kelly, NPDuarte, CA 910101528278462
  6. Erin Kopp, NPDuarte, CA 910101629381827
  7. Abigail Martin, CNPDuarte, CA 910101548412455
  8. Carmen Sedgeman, NPDuarte, CA 910101154579290

Common questions

What is Helene Barbara Zonder, N.P.'s NPI number?

Helene Barbara Zonder, N.P.'s National Provider Identifier (NPI) is 1942529706, issued on May 19, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Helene Barbara Zonder, N.P. located?

The NPPES record lists a practice address at 1500 E. Duarte Road, Duarte, CA, 91010. Phone: (626) 256-4673. Providers update this record themselves, so call before visiting.

How can I verify Helene Barbara Zonder, N.P.'s license?

NPPES lists California license number 294186, 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.