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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. TANA MISH GUKER LMFT
NPI 1811773971
Marriage & Family Therapist in Antioch, CA

Active since September 05, 2023

NPPES record last updated: September 25, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 25, 2026, Apr 27, 2026, Mar 7, 2025 and 2 more (5 updates tracked since 2023).

About Ms. Tana Mish Guker Lmft NPPES

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

MS. TANA MISH GUKER LMFT (NPI 1811773971) is an individual marriage & family therapist in Antioch, California, licensed in California (49896) and active in the NPI registry since September 2023. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1811773971
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMS. TANA MISH GUKERCredential: LMFT
Location Address510 G STAntioch, CA 94509-1259
Mailing Address715 Willow Creek TerBrentwood, CA 94513-1826 · (510) 418-4490
Phone(925) 779-7500
Sole ProprietorYes
Enumeration DateSeptember 5, 2023
Last NPPES UpdateSeptember 25, 20265 updates tracked since enumeration
NPPES CertifiedSeptember 25, 2026
✔ NPI 1811773971 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 · 49896
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 ListedCounselor · SchoolTaxonomy 101YS0200X
510 G ST, Antioch, CA 94509
Open in Google Maps ↗

Secondary Practice Locations 2

Location 13700 Delta Fair Blvd Ste 201AAntioch, CA 94509-4073 · Phone (510) 418-4490
Location 2715 Willow Creek TerBrentwood, CA 94513-1826 · Phone (510) 418-4490

Other Providers at the Same Location NPPES 9

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

KRISTY DENISE MARTINEZ
Health and Wellness Coach
510 G ST
ANTIOCH, CA 94509
Contra Costa County (257) 797-5009
CHRISTINE SNOWDEN SCHOOL PSYCHOLOGIST
Psychologist (School)
510 G ST
ANTIOCH, CA 94509
Contra Costa County (925) 779-7445
DR. EMILY ROSE GONZALES PT, DPT
Physical Therapist
510 G ST
ANTIOCH, CA 94509
Contra Costa County (925) 779-7500
MS. MICHELLE LOMAX PPS
Psychologist
510 G ST
ANTIOCH, CA 94509
Contra Costa County (925) 779-7500
ANTIOCH UNIFIED SCHOOL DISTRICT
Local Education Agency (LEA)
510 G ST
ANTIOCH, CA 94509
Contra Costa County (925) 779-7500
MRS. SHARLENE M. ELDREDGE PPS
Psychologist (School)
510 G ST
ANTIOCH, CA 94509
Contra Costa County (925) 779-7500
BARBARA GUTIERREZ AGUILAR PPS, MSW
Counselor (School)
510 G ST
ANTIOCH, CA 94509
Contra Costa County (925) 779-7500
MRS. GABRIELA AYALA DELGADO MA- PPS
Counselor (School)
510 G ST
ANTIOCH, CA 94509
Contra Costa County (925) 779-7460

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 Tana Guker's NPI number?

The NPI number for Tana Guker is 1811773971. It was assigned to this individual provider in the NPPES registry on September 5, 2023.

Where is Tana Guker located?

Tana Guker practices at 510 G St, Antioch, CA 94509. The listed phone number is (925) 779-7500.

What is Tana Guker'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 Tana Guker was last updated on September 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.