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

ARIANNA TOLSMA
NPI 1164988754
Counselor - Mental Health in Ann Arbor, MI

Active since February 19, 2019
444 S MAIN ST, ANN ARBOR, MI 48104(517) 279-8866(517) 924-1816 Get Directions Write a Review

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

Record update history: Nov 5, 2026, May 27, 2026, Feb 19, 2019 (3 updates tracked since 2019).

About Arianna Tolsma NPPES

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

ARIANNA TOLSMA (NPI 1164988754) is an individual mental health provider in Ann Arbor, Michigan, licensed in Michigan (6401226745) and active in the NPI registry since February 2019.

NPPES Registry Identity

NPI1164988754
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameARIANNA TOLSMA
Location Address444 S MAIN STAnn Arbor, MI 48104-2304
Mailing Address694 W Chicago RdColdwater, MI 49036-8405 · (517) 279-8866 · Fax (517) 924-1816
Fax(517) 924-1816
Sole ProprietorNo
Enumeration DateFebruary 19, 2019
Last NPPES UpdateNovember 5, 20263 updates tracked since enumeration
NPPES CertifiedNovember 5, 2026
✔ NPI 1164988754 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 MI · 6401226745
444 S MAIN ST, Ann Arbor, MI 48104

Other Providers at the Same Location NPPES

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

Counselor (Professional)
444 S MAIN ST
ANN ARBOR, MI 48104

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 Arianna Tolsma's NPI number?

The NPI number for Arianna Tolsma is 1164988754. It was assigned to this individual provider in the NPPES registry on February 19, 2019.

Where is Arianna Tolsma located?

Arianna Tolsma practices at 444 S Main St, Ann Arbor, MI 48104. The listed phone number is (517) 279-8866.

What is Arianna Tolsma'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 Arianna Tolsma 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 7 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.