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

SYDNEY VAN ZEE KLAASSEN
NPI 1720987555
Social Worker - School in North Muskegon, MI

Active since November 05, 2026
1600 MILLS AVE, NORTH MUSKEGON, MI 49445(231) 719-4100 Get Directions Write a Review

NPPES record added: November 5, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Sydney Van Zee Klaassen NPPES

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

SYDNEY VAN ZEE KLAASSEN (NPI 1720987555) is an individual school provider in North Muskegon, Michigan, licensed in Michigan (6851118501) and active in the NPI registry since November 2026.

NPPES Registry Identity

NPI1720987555
Entity TypeIndividualFemale
Primary Taxonomy1041S0200X
Provider Legal NameSYDNEY VAN ZEE KLAASSEN
Location Address1600 MILLS AVENorth Muskegon, MI 49445-3014
Mailing Address2446 Eagle RdgMuskegon, MI 49444-6741 · (918) 808-3197
Sole ProprietorNo
Enumeration DateNovember 5, 2026
NPPES CertifiedNovember 5, 2026
✔ NPI 1720987555 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · SchoolBehavioral Health & Social Service Providers
Taxonomy Code1041S0200X
License✔ Licensed in MI · 6851118501
1600 MILLS AVE, North Muskegon, MI 49445

Other Names 1

Former Name (1)Sydney Mccall Van Zee

Other Providers at the Same Location NPPES

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

Speech-Language Pathologist
1600 MILLS AVE
NORTH MUSKEGON, MI 49445

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 Sydney Klaassen's NPI number?

The NPI number for Sydney Klaassen is 1720987555. It was assigned to this individual provider in the NPPES registry on November 5, 2026. The provider is also known as Sydney Mccall Van Zee.

Where is Sydney Klaassen located?

Sydney Klaassen practices at 1600 Mills Ave, North Muskegon, MI 49445. The listed phone number is (231) 719-4100.

What is Sydney Klaassen's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in School, with taxonomy code 1041S0200X.

When was this NPI record last updated?

The NPPES record for Sydney Klaassen was last updated on November 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.