ROSA GUILLEN PMHNP-BC
NPI 1952777989
Nurse Practitioner - Psychiatric/Mental Health in Santa Ana, CA

Q: What is Rosa Guillen's NPI number?

The NPI number for Rosa Guillen is 1952777989. It was assigned to this individual provider in the NPPES registry on August 13, 2015.

Q: What is Rosa Guillen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Q: When was this NPI record last updated?

The NPPES record for Rosa Guillen was last updated on August 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 13, 2015

600 W SANTA ANA BLVD STE 405, SANTA ANA, CA 92701(714) 834-3101 Get Directions Write a Review

NPPES record last updated: August 19, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Rosa Guillen Pmhnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROSA GUILLEN PMHNP-BC (NPI 1952777989) is an individual psychiatric/mental health provider in Santa Ana, California, licensed in California (95034068) and active in the NPI registry since August 2015.

NPPES Registry Identity

NPI1952777989

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameROSA GUILLENCredential: PMHNP-BC

Location Address600 W SANTA ANA BLVD STE 405Santa Ana, CA 92701-4544

Mailing Address550 N Flower StSanta Ana, CA 92703-2361 · (949) 771-6671

Phone(714) 834-3101

Sole ProprietorYes

Enumeration DateAugust 13, 2015

Last NPPES UpdateAugust 19, 2025

NPPES CertifiedAugust 19, 2025

✔ NPI 1952777989 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in CA · 95034068

600 W SANTA ANA BLVD STE 405, Santa Ana, CA 92701

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Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LORETTA M LEE M.D.

Preventive Medicine (Occupational Medicine)

600 W SANTA ANA BLVD STE 405
SANTA ANA, CA 92701

Orange County (714) 565-3780

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Rosa Guillen's NPI number?

The NPI number for Rosa Guillen is 1952777989. It was assigned to this individual provider in the NPPES registry on August 13, 2015.

Where is Rosa Guillen located?

Rosa Guillen practices at 600 W Santa Ana Blvd Ste 405, Santa Ana, CA 92701. The listed phone number is (714) 834-3101.

What is Rosa Guillen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Rosa Guillen was last updated on August 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.