Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

CLARISSA LOURDES NILLO
NPI 1588571970
Marriage & Family Therapist in Santa Ana, CA

Q: What is Clarissa Nillo's NPI number?

The NPI number for Clarissa Nillo is 1588571970. It was assigned to this individual provider in the NPPES registry on August 24, 2026.

Q: What is Clarissa Nillo's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Q: When was this NPI record last updated?

The NPPES record for Clarissa Nillo was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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 24, 2026

1633 E 4TH STREET, SUITE 150, SANTA ANA, CA 92701(949) 264-9342 Get Directions Write a Review

NPPES record added: August 26, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

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About Clarissa Lourdes Nillo NPPES

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

CLARISSA LOURDES NILLO (NPI 1588571970) is an individual marriage & family therapist in Santa Ana, California, licensed in California (AMFT163922) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1588571970

Entity TypeIndividualFemale

Primary Taxonomy106H00000X

Provider Legal NameCLARISSA LOURDES NILLO

Location Address1633 E 4TH STREET, SUITE 150Santa Ana, CA 92701

Mailing Address1633 E 4th Street, Suite 150Santa Ana, CA 92701 · (949) 264-9342

Phone(949) 264-9342

Sole ProprietorYes

Enumeration DateAugust 24, 2026

Last NPPES UpdateAugust 26, 2026

NPPES CertifiedAugust 26, 2026

✔ NPI 1588571970 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers

Taxonomy Code106H00000X

License✔ Licensed in CA · AMFT163922

Definition

A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.

1633 E 4TH STREET, Santa Ana, CA 92701

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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 Clarissa Nillo's NPI number?

The NPI number for Clarissa Nillo is 1588571970. It was assigned to this individual provider in the NPPES registry on August 24, 2026.

Where is Clarissa Nillo located?

Clarissa Nillo practices at 1633 E 4th Street Suite 150, Santa Ana, CA 92701. The listed phone number is (949) 264-9342.

What is Clarissa Nillo's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Clarissa Nillo was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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.