GHS EMERGENCY MEDICINE-OCONEE
NPI 1033580444
Emergency Medicine in Seneca, SC
About Ghs Emergency Medicine-oconee NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GHS EMERGENCY MEDICINE-OCONEE (NPI 1033580444) is a healthcare organization registered as an emergency medicine in Seneca, South Carolina and active in the NPI registry since October 2015. The organization lists Michael C Riordan, President/ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 4
Other Names 1
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)
Ghs Emergency Medicine-oconee is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
733Medicare enrollment records show 733 clinicians reassign Medicare billing to Ghs Emergency Medicine-Oconee, which bills Medicare for the services they deliver. Of these, 45 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 50
Nearest to this location (20)
See all 733Source: 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 Greenville Health System's NPI number?
The NPI number for Greenville Health System is 1033580444. It was assigned to this organization in the NPPES registry on October 12, 2015. The provider is doing business as Ghs Emergency Medicine-Oconee.
Where is Greenville Health System located?
Greenville Health System is located at 298 Memorial Dr, Seneca, SC 29672. The listed phone number is (864) 885-7156.
What is Greenville Health System's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Greenville Health System enrolled in Medicare?
Yes. Greenville Health System is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Greenville Health System?
According to the CMS Revalidation Reassignment List (October 2026 release), 733 clinicians in 50 Medicare specialties reassign their Medicare billing to Greenville Health System. 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 Certified Registered Nurse Anesthetist (CRNA) (147), Emergency Medicine (56) and Internal Medicine (50). Of these, 45 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Greenville Health System was last updated on October 12, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.