RIVERHEAD MENTAL HEALTH CLINIC
NPI 1104920313
Clinic/Center - Mental Health (Including Community Mental Health Center) in Riverhead, NY
About Riverhead Mental Health Clinic NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RIVERHEAD MENTAL HEALTH CLINIC (NPI 1104920313) is a healthcare organization registered as a mental health (including community mental health center) in Riverhead, New York and active in the NPI registry since September 2006. The organization lists James L Tomarken, Commissioner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Riverhead Mental Health Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
17Medicare enrollment records show 17 clinicians reassign Medicare billing to Riverhead Mental Health Clinic, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.
Clinicians by Medicare Specialty 3
Clinicians, nearest first (17)
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 Suffolk County Dept Of Health Services's NPI number?
The NPI number for Suffolk County Dept Of Health Services is 1104920313. It was assigned to this organization in the NPPES registry on September 8, 2006. The provider is also known as Riverhead Mental Health Clinic.
Where is Suffolk County Dept Of Health Services located?
Suffolk County Dept Of Health Services is located at 300 Center Dr, Riverhead, NY 11901. The listed phone number is (631) 852-1440.
What is Suffolk County Dept Of Health Services's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.
Is Suffolk County Dept Of Health Services enrolled in Medicare?
Yes. Suffolk County Dept Of Health Services is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Suffolk County Dept Of Health Services?
According to the CMS Revalidation Reassignment List (October 2026 release), 17 clinicians in 3 Medicare specialties reassign their Medicare billing to Suffolk County Dept Of Health Services. 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. The largest specialties are Clinical Social Worker (7), Nurse Practitioner (5) and Psychiatry (5). Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Suffolk County Dept Of Health Services was last updated on October 22, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Riverhead Mental Health Clinic · NPI 1104920313
Mental Health (Including Community Mental Health Center) organization in Riverhead, New York. Organization record, active in the CMS NPPES registry since September 8, 2006.
## Identity
- **NPI:** 1104920313 (Entity type: Organization)
- **Enumerated:** September 8, 2006
- **Primary specialty:** Clinic/Center - Mental Health (Including Community Mental Health Center) · taxonomy 261QM0801X
- **Legal business name:** Suffolk County Dept Of Health Services
- **Organization subpart:** No
- **Authorized official:** James Tomarken, COMMISSIONER
## Practice location
- **Address:** 300 CENTER DR, Riverhead, NY 11901-3393
- **Phone:** (631) 852-1440 · **Fax:** (631) 852-1448
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 17 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Clinical Social Worker (7), Nurse Practitioner (5), Psychiatry (5); 1 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 22, 2012
- **Other identifiers:** Medicaid 00688179 (NY); Medicare ID-Type Unspecified W03051 (NY)
---
Source: [NPI Profile](https://npiprofile.com/npi/1104920313) · Data from the CMS NPPES public registry.