ERIN ELIZABETH REGA
NPI 1801643440
Social Worker - Clinical in Riverhead, NY
About Erin Elizabeth Rega NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIN ELIZABETH REGA (NPI 1801643440) is an individual clinical provider in Riverhead, New York, licensed in New York (094250) and active in the NPI registry since May 2024. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Erin Elizabeth Rega is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Erin Rega reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Riverhead, NY 11901
- Reassigned Medicare billing, New York enrollment
- 70 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RIVERHEAD, NY 11901
RIVERHEAD, NY 11901
RIVERHEAD, NY 11901
RIVERHEAD, NY 11901
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 Erin Rega's NPI number?
The NPI number for Erin Rega is 1801643440. It was assigned to this individual provider in the NPPES registry on May 1, 2024.
Where is Erin Rega located?
Erin Rega practices at 883 E Main St, Riverhead, NY 11901. The listed phone number is (631) 650-2510.
What is Erin Rega's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Erin Rega enrolled in Medicare?
Yes. Erin Rega is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Erin Rega's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erin Rega reassigns Medicare benefits to Long Island Select Healthcare, Inc. (Riverhead, NY). The 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 Erin Rega's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Erin Rega was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.