DIANE O'NEILL LISW LLC
NPI 1003177395
Social Worker - Clinical in Fort Mill, SC
About Diane O'neill Lisw Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANE O'NEILL LISW LLC (NPI 1003177395) is a healthcare organization registered as a clinical in Fort Mill, South Carolina and active in the NPI registry since June 2012. The organization lists Diane O'neill, Sole Member/manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
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)
Diane O'neill Lisw 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 Diane O'neill Lisw 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 Diane O'neill Lisw LLC's NPI number?
The NPI number for Diane O'neill Lisw LLC is 1003177395. It was assigned to this organization in the NPPES registry on June 3, 2012.
Where is Diane O'neill Lisw LLC located?
Diane O'neill Lisw LLC is located at 852 Gold Hill Rd Suite 206, Fort Mill, SC 29708. The listed phone number is (803) 619-9103.
What is Diane O'neill Lisw LLC's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Diane O'neill Lisw LLC enrolled in Medicare?
Yes. Diane O'neill Lisw LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Diane O'neill Lisw LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Diane O'neill Lisw 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 Diane O'neill Lisw LLC was last updated on June 3, 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.