Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Gretchen Zablan Aguro, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner in Lake Elsinore, CA · enumerated 2023.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1023897733

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Registry record

Entity type Individual (Type 1)

Name Gretchen Zablan Aguro

Credential PMHNP-BC

Sex Female

Practice address Lake Elsinore, CA, 92530

Phone (714) 833-3100

Enumeration date Sep 22, 2023

Last updated in NPPES Feb 2, 2026

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 95034550 (CA) Primary

163WP0808X Psychiatric/Mental Health Registered Nurse Nursing Service Providers · License 753007 (CA) Secondary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1023897733 active?

Yes, as of the latest NPPES snapshot, NPI 1023897733 is active (record last updated 2026-02-02).

How do I verify Gretchen Aguro's NPI record?

Cross-check NPI 1023897733 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-02.