NPPES file of Aug 9, 2026

Marianna Chavez, NP

Psychiatric/Mental Health Nurse Practitioner · Ontario, CA

Marianna Chavez, NP is a psychiatric/mental health nurse practitioner with a practice address in Ontario, California, and NPI 1932981867, issued on Oct 16, 2023. Check the license (California 95026556, 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
1932981867
Name
Marianna Chavez
Credential
NP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
95026556 CA
Self-reported in NPPES; status is on the state search
Practice location
3200 E Guasti RD Ste 100, Ontario, CA 91761
Phone
(626) 714-8739
Enumerated
Oct 16, 2023
Record last updated
May 15, 2025
Medicare enrollment
Enrolled (PECOS I20251015003010); 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 psychiatric/mental health nurse practitioner records → All 4,226 in California → Look up another NPI →

Also registered at 3200 E Guasti RD Ste 100

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

  1. Lucia AguileraMental Health Counselor1821606435
  2. Eve AlbericoBehavior Technician1205409273
  3. Aceil AnkirCounseling Psychologist1578220398
  4. Amanda AranaMarriage & Family Therapist1033594023
  5. Emily ArmasBehavior Technician1245907161
  6. Elizabeth AvilaBehavior Technician1790508281

Verify Marianna Chavez 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 95026556    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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Marianna Chavez among 4,226 psychiatric/mental health nurse practitioner records in California

Marianna Chavez, NP is one of 4,226 psychiatric/mental health nurse practitioner records with a practice address in California. 62% 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 2023, is newer than 62% of them.

  • NPI issued2023 · 62% of these records are older, 28% newer
  • In a Medicare fileNo · 62% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2023 · median 2021 among the 1,965 with a school on file
  • Record last updated2025 · 16% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in California

There are 4,226 psychiatric/mental health nurse practitioner records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4,226 in California → Every provider in Ontario → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Chidi AkubugaliOntario, CA 917611316657414
  2. Tameka Dyce, PMHNPOntario, CA 917611851019640
  3. Danica Flores, PMHNP-BCOntario, CA 917611407700131
  4. Li-Yun Ma, PMHNP-BCOntario, CA 917611205783784
  5. Michael Marshall, APRN, PMHNPOntario, CA 917611245563543
  6. Patricia OgudeOntario, CA 917611407318355
  7. Gryan GarciaOntario, CA 917621578103800
  8. Gerrald Angeles, NPMontclair, CA 917631235641986

Common questions

What is Marianna Chavez, NP's NPI number?

Marianna Chavez, NP's National Provider Identifier (NPI) is 1932981867, issued on Oct 16, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Marianna Chavez, NP located?

The NPPES record lists a practice address at 3200 E Guasti RD Ste 100, Ontario, CA, 91761. Phone: (626) 714-8739. Providers update this record themselves, so call before visiting.

How can I verify Marianna Chavez, NP's license?

NPPES lists California license number 95026556, 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.