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THERESA HASSENZAHL
NPI 1285381327
Day Training/Habilitation Specialist in Ukiah, CA

Active since March 08, 2022

NPPES record last updated: March 28, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 28, 2025, Apr 13, 2023, Mar 8, 2022 (3 updates tracked since 2022).

About Theresa Hassenzahl NPPES

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

THERESA HASSENZAHL (NPI 1285381327) is an individual day training/habilitation specialist in Ukiah, California and active in the NPI registry since March 2022. She maintains a secondary practice location in Ukiah.

NPPES Registry Identity

NPI1285381327
Entity TypeIndividualFemale
Primary Taxonomy373H00000X
Provider Legal NameTHERESA HASSENZAHL
Location Address501 PEACH STUkiah, CA 95482-4516
Mailing AddressPo Box 2077Ukiah, CA 95482-2077 · (707) 467-2010
Phone(707) 467-2010
Sole ProprietorNo
Enumeration DateMarch 8, 2022
Last NPPES UpdateMarch 28, 20253 updates tracked since enumeration
NPPES CertifiedMarch 28, 2025
✔ NPI 1285381327 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDay Training/Habilitation SpecialistNursing Service Related Providers
Taxonomy Code373H00000X
Definition
Individuals experienced or trained in working with developmentally disabled individuals who need assistance in acquiring and maintaining life skills that enable them to cope more effectively with the demands of independent living.
501 PEACH ST, Ukiah, CA 95482
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Secondary Practice Location 1

Location 1140 Gibson StUkiah, CA 95482-3941 · Phone (707) 467-2010

Other Providers at the Same Location NPPES 11

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

APRIL FORD
Rehabilitation Practitioner
501 PEACH ST
UKIAH, CA 95482
Mendocino County (707) 467-2010
ERIK PINEDA
Community Health Worker
501 PEACH ST
UKIAH, CA 95482
Mendocino County (707) 467-2010
DESIREE WILLIAMS
Community Health Worker
501 PEACH ST
UKIAH, CA 95482
Mendocino County (707) 467-2010
JANET LYNN HAWKEN
Day Training/Habilitation Specialist
501 PEACH ST
UKIAH, CA 95482
Mendocino County (707) 467-2010
ELIAS GARCIA
Community Health Worker
501 PEACH ST
UKIAH, CA 95482
Mendocino County (707) 467-2010
CAPRI JACOBS
Day Training/Habilitation Specialist
501 PEACH ST
UKIAH, CA 95482
Mendocino County (707) 467-2010
REDWOOD COMMUNITY SERVICES, INC
Community/Behavioral Health
501 PEACH ST
UKIAH, CA 95482
Mendocino County (707) 621-9311
DEJA JOHNSON
Community Health Worker
501 PEACH ST
UKIAH, CA 95482
Mendocino County (707) 467-2010

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 Theresa Hassenzahl's NPI number?

The NPI number for Theresa Hassenzahl is 1285381327. It was assigned to this individual provider in the NPPES registry on March 8, 2022.

Where is Theresa Hassenzahl located?

Theresa Hassenzahl practices at 501 Peach St, Ukiah, CA 95482. The listed phone number is (707) 467-2010.

What is Theresa Hassenzahl's specialty?

The primary specialty registered for this NPI is Day Training/Habilitation Specialist with taxonomy code 373H00000X.

When was this NPI record last updated?

The NPPES record for Theresa Hassenzahl was last updated on March 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.