RIVER ROCK PSYCHIATRY, LLC
NPI 1124405709
Clinic/Center - Adult Mental Health in Middlefield, CT
About River Rock Psychiatry, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RIVER ROCK PSYCHIATRY, LLC (NPI 1124405709) is a healthcare organization registered as an adult mental health in Middlefield, Connecticut and active in the NPI registry since May 2015. The organization lists Susan Mcnamara, Member, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
River Rock Psychiatry, 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 River Rock Psychiatry, 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 River Rock Psychiatry, LLC's NPI number?
The NPI number for River Rock Psychiatry, LLC is 1124405709. It was assigned to this organization in the NPPES registry on May 2, 2015.
Where is River Rock Psychiatry, LLC located?
River Rock Psychiatry, LLC is located at 545 Main St, Middlefield, CT 06455. The listed phone number is (860) 918-4182.
What is River Rock Psychiatry, LLC's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Adult Mental Health, with taxonomy code 261QM0850X.
Is River Rock Psychiatry, LLC enrolled in Medicare?
Yes. River Rock Psychiatry, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through River Rock Psychiatry, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to River Rock Psychiatry, 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 River Rock Psychiatry, LLC was last updated on April 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# River Rock Psychiatry, Llc · NPI 1124405709
Adult Mental Health organization in Middlefield, Connecticut. Organization record, active in the CMS NPPES registry since May 2, 2015.
## Identity
- **NPI:** 1124405709 (Entity type: Organization)
- **Enumerated:** May 2, 2015
- **Primary specialty:** Clinic/Center - Adult Mental Health · taxonomy 261QM0850X
- **Organization subpart:** No
- **Authorized official:** Susan Mcnamara, MEMBER
## Practice location
- **Address:** 545 MAIN ST, Middlefield, CT 06455-1293
- **Phone:** (860) 918-4182
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Psychiatry) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 1, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1124405709) · Data from the CMS NPPES public registry.