GRAY MATTERS THERAPY LLC
NPI 1720894710
Counselor - Professional in Winona, MN
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
Specialties & Licenses
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Gray Matters Therapy Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
3Medicare enrollment records show 3 clinicians reassign Medicare billing to Gray Matters Therapy LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.
Clinicians, nearest first (3)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
Is Gray Matters Therapy LLC enrolled in Medicare?
Yes. Gray Matters Therapy LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Gray Matters Therapy LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Gray Matters Therapy LLC, in Clinical Psychologist and Mental Health Counselor. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 9 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.
# Gray Matters Therapy Llc · NPI 1720894710
Professional organization in Winona, Minnesota. Organization record, active in the CMS NPPES registry since December 5, 2024.
## Identity
- **NPI:** 1720894710 (Entity type: Organization)
- **Enumerated:** December 5, 2024
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **Organization subpart:** No
- **Authorized official:** Michael Donnenwerth, BUSINESS MANAGER
## Practice location
- **Address:** 102 WALNUT ST STE 303, Winona, MN 55987-5641
- **Phone:** (515) 710-4002
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 3 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Mental Health Counselor (2), Clinical Psychologist (1); 1 practice at this address and 2 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1720894710) · Data from the CMS NPPES public registry.