WILLIAM T SUMNER MD
NPI 1871579110
Dermatology - Procedural Dermatology in Concord, NC
About William T Sumner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM T SUMNER MD (NPI 1871579110) is an individual procedural dermatology provider in Concord, North Carolina, licensed in North Carolina (97-01610) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Duke University School Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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 T Sumner 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 Sumner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Concord, NC 28025
- Reassigned Medicare billing, North Carolina enrollment
- 25 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 16
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 28025 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.
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.
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 Sumner's NPI number?
The NPI number for William Sumner is 1871579110. It was assigned to this individual provider in the NPPES registry on December 19, 2005.
Where is William Sumner located?
William Sumner practices at 335 Penny Ln, Concord, NC 28025. The listed phone number is (704) 784-5901.
What is William Sumner's specialty?
The primary specialty registered for this NPI is Dermatology, specializing in Procedural Dermatology, with taxonomy code 207NS0135X.
Is William Sumner enrolled in Medicare?
Yes. William Sumner 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 Sumner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Sumner reassigns Medicare benefits to Dermatology Group Of The Carolinas (Concord, NC). 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 Sumner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Sumner accept?
Health plans from Cigna Healthcare, Oscar Health Plan of North Carolina, Inc and UnitedHealthcare list William Sumner 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.
When was this NPI record last updated?
The NPPES record for William Sumner was last updated on February 12, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.