MARK EDWARD WILLIAMS MD
NPI 1386713923
Internal Medicine - Geriatric Medicine in Wilmington, NC
About Mark Edward Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK EDWARD WILLIAMS MD (NPI 1386713923) is an individual geriatric medicine provider in Wilmington, North Carolina, licensed in Virginia (0101223966) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Novant Health New Hanover Regional Medical Center, and maintains a secondary practice location in Wilmington.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Mark Edward Williams 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 Reassignments
2Medicare enrollment records show Mark Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wilmington, NC 28403
- Reassigned Medicare billing, North Carolina enrollment
- 710 clinicians in this Medicare group
Wilmington, NC 28401
- Reassigned Medicare billing, North Carolina enrollment
- 335 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 10
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Novant Health New Hanover Regional Medical Center
Acute Care Hospitals · Wilmington, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 28403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
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.
WILMINGTON, NC 28403
WILMINGTON, NC 28403
WILMINGTON, NC 28403
WILMINGTON, NC 28403
WILMINGTON, NC 28403
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 Mark Williams's NPI number?
The NPI number for Mark Williams is 1386713923. It was assigned to this individual provider in the NPPES registry on November 7, 2006.
Where is Mark Williams located?
Mark Williams practices at 1725 New Hanover Medical Park Dr, Wilmington, NC 28403. The listed phone number is (910) 662-9300.
What is Mark Williams's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.
Is Mark Williams enrolled in Medicare?
Yes. Mark Williams 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 organizations bill Medicare for Mark Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Williams reassigns Medicare benefits to 2 organizations: Novant Health Medical Group Coastal Region, LLC (Wilmington, NC) and Novant Health New Hanover Regional Medical Center LLC (Wilmington, NC). Each 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 Mark Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Williams accept?
Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee, Blue Cross and Blue Shield of NC and Cigna Healthcare and 1 other insurer list Mark Williams 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 Mark Williams affiliated with any hospitals?
According to CMS data, Mark Williams is affiliated with Novant Health New Hanover Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Williams was last updated on May 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.