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THERESE M DUKE
NPI 1134394604
Counselor - Mental Health in Eureka, CA

Active since April 25, 2008

NPPES record last updated: January 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 13, 2026, Oct 11, 2021, May 22, 2019 (3 updates tracked since 2019).

About Therese M Duke NPPES

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

THERESE M DUKE (NPI 1134394604) is an individual mental health provider in Eureka, California, licensed in California (118456) and active in the NPI registry since April 2008.

NPPES Registry Identity

NPI1134394604
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameTHERESE M DUKE
Location Address2107 1ST STEureka, CA 95501-0840
Mailing Address2107 1st StEureka, CA 95501-0840 · (707) 599-1596
Phone(707) 599-1596
Sole ProprietorNo
Enumeration DateApril 25, 2008
Last NPPES UpdateJanuary 13, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 13, 2026
✔ NPI 1134394604 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in CA · 118456
2107 1ST ST, Eureka, CA 95501
Open in Google Maps ↗

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.

JULIA DOREEN STEINHART
Licensed Vocational Nurse
2107 1ST ST
EUREKA, CA 95501
Humboldt County (707) 273-6395
JASMINE HUFFMAN CADTP
Counselor (Addiction (Substance Use Disorder))
2107 1ST ST
EUREKA, CA 95501
Humboldt County (707) 268-2990
MARILYNNE SUE WALPOLE CADC L CA
Counselor (Addiction (Substance Use Disorder))
2107 1ST ST
EUREKA, CA 95501
Humboldt County (707) 273-6395
SEAN ELLIOT TEW
Counselor (Addiction (Substance Use Disorder))
2107 1ST ST
EUREKA, CA 95501
Humboldt County (707) 273-6395
MRS. RAMONA Y ARNE SUDP
Counselor (Addiction (Substance Use Disorder))
2107 1ST ST
EUREKA, CA 95501
Humboldt County (707) 273-6395
DENISE GILMER CADC II
Counselor (Addiction (Substance Use Disorder))
2107 1ST ST
EUREKA, CA 95501
Humboldt County (707) 273-6395
OCTAVIO ALVAREZ HERNANDEZ
Counselor (Addiction (Substance Use Disorder))
2107 1ST ST
EUREKA, CA 95501
Humboldt County (707) 273-6395
TERRY VANG
Counselor (Addiction (Substance Use Disorder))
2107 1ST ST
EUREKA, CA 95501
Humboldt County (707) 273-6395

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 Therese Duke's NPI number?

The NPI number for Therese Duke is 1134394604. It was assigned to this individual provider in the NPPES registry on April 25, 2008.

Where is Therese Duke located?

Therese Duke practices at 2107 1st St, Eureka, CA 95501. The listed phone number is (707) 599-1596.

What is Therese Duke's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Therese Duke was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.