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Internal Medicine

Mark E. Williams, MD

Works at hospitals in Wilmington, NC · North Carolina

Summary

Mark E. Williams, MD (Internal Medicine) is listed by Medicare at 1 hospital in Wilmington, NC. NPI 1386713923. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mark E. Williams, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
50Years since medical school (graduated 1976)
University Of North Carolina At Chapel Hill School Of MedicineMedical school
MaleGender (as listed)
Novant Health Medical Group Coastal Region LLCGroup practice

Quick answers

Which hospitals does Mark E. Williams work at?
Medicare's official clinician data lists Mark E. Williams at 1 hospital: Novant Health New Hanover Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark E. Williams see patients?
Medicare's clinician data lists 1 practice location in Wilmington, NC. Call before your visit to confirm the address.
What is Mark E. Williams's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Geriatric Medicine.
Does Mark E. Williams accept Medicare assignment?
Yes. Medicare's clinician data says Mark E. Williams accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Mark E. Williams?
(910) 662-9300, as listed in official Medicare / NPI Registry data.
What is Mark E. Williams's NPI number?
1386713923. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mark E. Williams works

Medicare's Facility Affiliation Data lists Mark E. Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Mark E. Williams is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mark E. Williams as a member of this group (CMS data updated 2026-10-02).

  • Novant Health Medical Group Coastal Region LLC599 clinicians in the group

Specialties

Find other Internal Medicine doctors in North Carolina →

Other internal medicine doctors in Wilmington

Clinicians with the same Medicare primary specialty in Wilmington, NC — not a recommendation.

All internal medicine doctors in Wilmington →

Clinician information

CredentialMD
Medical schoolUniversity Of North Carolina At Chapel Hill School Of Medicine
Graduation year1976
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1386713923
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians