MS. KAREN ELIZABETH DIAZ MFT
NPI 1144386657
Marriage & Family Therapist in Vallejo, CA

Q: What is Karen Diaz's NPI number?

The NPI number for Karen Diaz is 1144386657. It was assigned to this individual provider in the NPPES registry on December 29, 2006. The provider is also known as Karen Elizabeth Esquivel.

Q: What is Karen Diaz'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 Karen Diaz was last updated on October 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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 December 29, 2006PECOS Enrolled

800 SERENO DR, VALLEJO, CA 94589(707) 651-2589 Get Directions Write a Review

NPPES record last updated: October 9, 2024. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Oct 9, 2024, Jan 3, 2022 (2 updates tracked since 2022).

On this page

About Ms. Karen Elizabeth Diaz Mft NPPES

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

MS. KAREN ELIZABETH DIAZ MFT (NPI 1144386657) is an individual marriage & family therapist in Vallejo, California, licensed in California (MFC 44450) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144386657

Entity TypeIndividualFemale

Primary Taxonomy106H00000X

Provider Legal NameMS. KAREN ELIZABETH DIAZCredential: MFT

Location Address800 SERENO DRVallejo, CA 94589-2411

Mailing Address3450 Vista Oaks Dr Apt 120Martinez, CA 94553-4079 · (925) 325-4981

Phone(707) 651-2589

Sole ProprietorNo

Enumeration DateDecember 29, 2006

Last NPPES UpdateOctober 9, 20242 updates tracked since enumeration

NPPES CertifiedOctober 9, 2024

✔ NPI 1144386657 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 · MFC 44450

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.

800 SERENO DR, Vallejo, CA 94589

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Other Names 1

Former Name (1)Karen Elizabeth Esquivel

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Karen Elizabeth Diaz Mft is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

JACQUELINE SOLIS AMFT, APCC

Marriage & Family Therapist

800 SERENO DR
VALLEJO, CA 94589

Napa County (707) 651-1050

DR. RICHARD HENRY VON FELDT PSY.D.

Psychologist

800 SERENO DR
VALLEJO, CA 94589

Napa County (707) 651-1050

JENNA HADICK AMFT

Marriage & Family Therapist

800 SERENO DR
VALLEJO, CA 94589

Napa County (707) 651-2611

ARCHANA KRISHNAN

Family Medicine

800 SERENO DR
VALLEJO, CA 94589

Napa County (707) 651-1000

MRS. AMARJEET KAUR SINGH LCSW

Social Worker (Clinical)

800 SERENO DR, RM 288
VALLEJO, CA 94589

Napa County (707) 651-5451

DAISY FIGUEROA-PATINO

Social Worker (Clinical)

800 SERENO DR
VALLEJO, CA 94589

Napa County (707) 651-1050

KELLY PIRRUCCELLO PSY.D.

Psychologist (Clinical)

800 SERENO DR
VALLEJO, CA 94589

Napa County (707) 651-2644

CHRISTIAN JON WOODWARD RRT, RCP

Respiratory Therapist, Registered (Pulmonary Rehabilitation)

800 SERENO DR
VALLEJO, CA 94589

Napa County (707) 651-2318

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 Karen Diaz's NPI number?

The NPI number for Karen Diaz is 1144386657. It was assigned to this individual provider in the NPPES registry on December 29, 2006. The provider is also known as Karen Elizabeth Esquivel.

Where is Karen Diaz located?

Karen Diaz practices at 800 Sereno Dr, Vallejo, CA 94589. The listed phone number is (707) 651-2589.

What is Karen Diaz's specialty?

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

Is Karen Diaz enrolled in Medicare?

Yes. Karen Diaz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Karen Diaz was last updated on October 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.