NICKI DIANE DUNN-BECKER
NPI 1255010898
Marriage & Family Therapist in Fairfield, CA

Q: What is Nicki Dunn-becker's NPI number?

The NPI number for Nicki Dunn-becker is 1255010898. It was assigned to this individual provider in the NPPES registry on July 12, 2023.

Q: What is Nicki Dunn-becker'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 Nicki Dunn-becker was last updated on February 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 July 12, 2023

801 EMPIRE ST, FAIRFIELD, CA 94533(707) 425-5744(707) 425-5162 Get Directions Write a Review

NPPES record last updated: February 6, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 6, 2026, Dec 18, 2025, Jul 12, 2023 (3 updates tracked since 2023).

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About Nicki Diane Dunn-becker NPPES

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

NICKI DIANE DUNN-BECKER (NPI 1255010898) is an individual marriage & family therapist in Fairfield, California, licensed in California (149789) and active in the NPI registry since July 2023. She maintains a secondary practice location in Yucca Valley.

NPPES Registry Identity

NPI1255010898

Entity TypeIndividualFemale

Primary Taxonomy106H00000X

Provider Legal NameNICKI DIANE DUNN-BECKER

Location Address801 EMPIRE STFairfield, CA 94533-5702

Mailing Address801 Empire StFairfield, CA 94533-5702 · (707) 425-5744 · Fax (707) 425-5162

Phone(707) 425-5744

Fax(707) 425-5162

Sole ProprietorNo

Enumeration DateJuly 12, 2023

Last NPPES UpdateFebruary 6, 20263 updates tracked since enumeration

NPPES CertifiedFebruary 6, 2026

✔ NPI 1255010898 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers

Taxonomy Code106H00000X

License✔ Licensed in CA · 149789

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

801 EMPIRE ST, Fairfield, CA 94533

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Secondary Practice Location 1

Location 17281 Dumosa Ave Ste 3&4Yucca Valley, CA 92284-3769 · Phone (760) 853-4755

Other Providers at the Same Location NPPES 20

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

MRS. CHARLIN AMBER LUMIA LMFT

Marriage & Family Therapist