WILLIAM BRIAN WARD MD
NPI 1427031780
Internal Medicine - Nephrology in Greenville, SC
About William Brian Ward Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM BRIAN WARD MD (NPI 1427031780) is an individual nephrology provider in Greenville, South Carolina, licensed in South Carolina (20375) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with St Francis-downtown, and is a graduate of Medical University Of South Carolina College Of Medicine (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
William Brian Ward Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show William Ward reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Greenville, SC 29605
- Reassigned Medicare billing, South Carolina enrollment
- 39 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.
Areas of Expertise CMS Part B claims 19
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Francis-Downtown
Acute Care Hospitals · Greenville, SCPrisma Health Greer Memorial Hospital
Acute Care Hospitals · Spartanburg, SCPrisma Health Hillcrest Hospital
Acute Care Hospitals · Simpsonville, SCPrisma Health Greenville Memorial Hospital
Acute Care Hospitals · Greenville, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29605 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 6
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREENVILLE, SC 29605
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 William Ward's NPI number?
The NPI number for William Ward is 1427031780. It was assigned to this individual provider in the NPPES registry on November 21, 2005.
Where is William Ward located?
William Ward practices at 203 Mills Ave, Greenville, SC 29605. The listed phone number is (864) 271-1844.
What is William Ward's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is William Ward enrolled in Medicare?
Yes. William Ward is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for William Ward's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Ward reassigns Medicare benefits to Carolina Nephrology PA (Greenville, SC). 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 William Ward's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Ward accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and First Choice Next and 2 other insurers list William Ward as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is William Ward affiliated with any hospitals?
According to CMS data, William Ward is affiliated with St Francis-Downtown, Prisma Health Greer Memorial Hospital, Prisma Health Hillcrest Hospital and Prisma Health Greenville Memorial Hospital.
When was this NPI record last updated?
The NPPES record for William Ward was last updated on November 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.