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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

WILLI MAX ZIOLKOWSKI
NPI 1316844830
Day Training/Habilitation Specialist in Petaluma, CA

Active since October 20, 2026
1500 PETALUMA BLVD S, PETALUMA, CA 94952(707) 765-8488 Get Directions Write a Review

NPPES record added: October 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Willi Max Ziolkowski NPPES

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

WILLI MAX ZIOLKOWSKI (NPI 1316844830) is an individual day training/habilitation specialist in Petaluma, California and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1316844830
Entity TypeIndividualMale
Primary Taxonomy373H00000X
Provider Legal NameWILLI MAX ZIOLKOWSKI
Location Address1500 PETALUMA BLVD SPetaluma, CA 94952-5545
Mailing Address1500 Petaluma Blvd SPetaluma, CA 94952-5545 · (707) 765-8488
Phone(707) 765-8488
Sole ProprietorNo
Enumeration DateOctober 20, 2026
NPPES CertifiedOctober 20, 2026
✔ NPI 1316844830 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.
1500 PETALUMA BLVD S, Petaluma, CA 94952
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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.

KEDHAR WALLACE BARTLETT EMT-B
Rehabilitation Practitioner
1500 PETALUMA BLVD S
PETALUMA, CA 94952
Sonoma County (707) 765-8488
AZIZ MAJID
Rehabilitation Practitioner
1500 PETALUMA BLVD S
PETALUMA, CA 94952
Sonoma County (628) 587-9373
NATALIE GODDARD
Community/Behavioral Health
1500 PETALUMA BLVD S
PETALUMA, CA 94952
Sonoma County (707) 765-8488
JORDAN AUSTIN KAI GOUVEIA EMT
Day Training/Habilitation Specialist
1500 PETALUMA BLVD S
PETALUMA, CA 94952
Sonoma County (707) 765-8488
KELLY FRANCES ROWELL AMFT
Counselor (Mental Health)
1500 PETALUMA BLVD S
PETALUMA, CA 94952
Sonoma County (707) 765-8488
MS. KAREN DUFFY MFTI
Marriage & Family Therapist
1500 PETALUMA BLVD S
PETALUMA, CA 94952
Sonoma County (707) 765-8488
BECKY BRIA CASTANON
Day Training/Habilitation Specialist
1500 PETALUMA BLVD S
PETALUMA, CA 94952
Sonoma County (707) 765-8488
SARAH TARR FLEMING MFT
Marriage & Family Therapist
1500 PETALUMA BLVD S, SUITE A
PETALUMA, CA 94952
Sonoma County (707) 765-8488

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 Willi Ziolkowski's NPI number?

The NPI number for Willi Ziolkowski is 1316844830. It was assigned to this individual provider in the NPPES registry on October 20, 2026.

Where is Willi Ziolkowski located?

Willi Ziolkowski practices at 1500 Petaluma Blvd S, Petaluma, CA 94952. The listed phone number is (707) 765-8488.

What is Willi Ziolkowski'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 Willi Ziolkowski was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.