GRAY MATTERS THERAPY LLC
NPI 1720894710
Counselor - Professional in Winona, MN

Q: What is Gray Matters Therapy LLC's NPI number?

The NPI number for Gray Matters Therapy LLC is 1720894710. It was assigned to this organization in the NPPES registry on December 5, 2024.

Q: What is Gray Matters Therapy LLC's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Active since December 05, 2024

102 WALNUT ST STE 303, WINONA, MN 55987(515) 710-4002 Get Directions Write a Review

NPPES record last updated: January 28, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 28, 2026, Dec 9, 2024, Dec 5, 2024 (3 updates tracked since 2024).

On this page

About Gray Matters Therapy Llc NPPES

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

GRAY MATTERS THERAPY LLC (NPI 1720894710) is a healthcare organization registered as a professional in Winona, Minnesota and active in the NPI registry since December 2024. The organization lists Michael Donnenwerth, Business Manager, as its authorized official.

NPPES Registry Identity

NPI1720894710

Entity TypeOrganization

Primary Taxonomy101YP2500X

Legal Business NameGRAY MATTERS THERAPY LLC

Location Address102 WALNUT ST STE 303Winona, MN 55987-5641

Mailing Address100 Latsch Sq Ste 203Winona, MN 55987-2995 · (515) 710-4002

Phone(515) 710-4002

Organization SubpartNo

Authorized OfficialMichael DonnenwerthBusiness Manager · (507) 450-7091

Enumeration DateDecember 5, 2024

Last NPPES UpdateJanuary 28, 20263 updates tracked since enumeration

NPPES CertifiedJanuary 28, 2026

✔ NPI 1720894710 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers

Taxonomy Code101YP2500X

102 WALNUT ST STE 303, Winona, MN 55987

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HealthPartners, Quartz.Insurance ›

Other Providers at the Same Location NPPES

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

ANN GIBSON PHD

Psychologist (Counseling)

102 WALNUT ST STE 303
WINONA, MN 55987

Winona County (515) 710-4002

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 Gray Matters Therapy LLC's NPI number?

The NPI number for Gray Matters Therapy LLC is 1720894710. It was assigned to this organization in the NPPES registry on December 5, 2024.

Where is Gray Matters Therapy LLC located?

Gray Matters Therapy LLC is located at 102 Walnut St Ste 303, Winona, MN 55987. The listed phone number is (515) 710-4002.

What is Gray Matters Therapy LLC's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

What insurance does Gray Matters Therapy LLC accept?

Health plans from HealthPartners and Quartz list Gray Matters Therapy LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gray Matters Therapy LLC was last updated on January 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.