GRIEF RIVER, LLC
NPI 1093582306
Counselor - Mental Health in Galena, IL
About Grief River, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRIEF RIVER, LLC (NPI 1093582306) is a healthcare organization registered as a mental health in Galena, Illinois and active in the NPI registry since December 2023. The organization maintains a secondary practice location in Galena and lists Thomas John Dennis, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Grief River, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Grief River, LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Grief River, LLC's NPI number?
The NPI number for Grief River, LLC is 1093582306. It was assigned to this organization in the NPPES registry on December 6, 2023.
Where is Grief River, LLC located?
Grief River, LLC is located at 800 Spring St Ste 101, Galena, IL 61036. The listed phone number is (773) 454-9176.
What is Grief River, LLC's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Grief River, LLC enrolled in Medicare?
Yes. Grief River, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Grief River, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Mental Health Counselor) reassigns their Medicare billing to Grief River, LLC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Grief River, LLC was last updated on December 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Grief River, Llc · NPI 1093582306
Mental Health organization in Galena, Illinois. Organization record, active in the CMS NPPES registry since December 6, 2023.
## Identity
- **NPI:** 1093582306 (Entity type: Organization)
- **Enumerated:** December 6, 2023
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Organization subpart:** No
- **Authorized official:** Thomas Dennis, OWNER
## Practice location
- **Address:** 800 SPRING ST STE 101, Galena, IL 61036-2003
- **Phone:** (773) 454-9176
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Mental Health Counselor) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 7, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1093582306) · Data from the CMS NPPES public registry.