RIVERHEAD HEALTH CENTER
NPI 1366546574
Clinic/Center in Riverhead, NY
About Riverhead Health Center NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RIVERHEAD HEALTH CENTER (NPI 1366546574) is a healthcare organization registered as a clinic/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 Health Center 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 Health Center, 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 County Of Suffolk's NPI number?
The NPI number for County Of Suffolk is 1366546574. It was assigned to this organization in the NPPES registry on September 8, 2006. The provider is doing business as Riverhead Health Center.
Where is County Of Suffolk located?
County Of Suffolk is located at 300 Center Dr County Center, Riverhead, NY 11901. The listed phone number is (631) 852-1800.
What is County Of Suffolk's specialty?
The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.
Is County Of Suffolk enrolled in Medicare?
Yes. County Of Suffolk is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through County Of Suffolk?
According to the CMS Revalidation Reassignment List (October 2026 release), 17 clinicians in 3 Medicare specialties reassign their Medicare billing to County Of Suffolk. 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 County Of Suffolk was last updated on October 25, 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 Health Center · NPI 1366546574
Clinic/Center organization in Riverhead, New York. Organization record, active in the CMS NPPES registry since September 8, 2006.
## Identity
- **NPI:** 1366546574 (Entity type: Organization)
- **Enumerated:** September 8, 2006
- **Primary specialty:** Clinic/Center · taxonomy 261Q00000X
- **Legal business name:** County Of Suffolk
- **Organization subpart:** No
- **Authorized official:** James Tomarken, COMMISSIONER
## Practice location
- **Address:** 300 CENTER DR, COUNTY CENTER, Riverhead, NY 11901-3393
- **Phone:** (631) 852-1800 · **Fax:** (631) 852-1807
## 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 25, 2012
- **Other identifiers:** Medicaid 03003610 (NY); Medicare PIN W03161 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1366546574) · Data from the CMS NPPES public registry.